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426 Cards in this Set
- Front
- Back
What is number 1?
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Hamate: hook
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What is number 2?
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Hamate: articular surface for triquetrum
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What is number 3?
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Capitate: articular surface for scaphoid and lunate
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What is number 4?
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Scaphoid Tuberosity
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What is number 1?
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Hamate: articular surface for capitate
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What is number 2?
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Triquetrum: articular surface for lunate
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What is number 3?
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Trapezium tubercle
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What is number 4?
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Trapezoid: articular surface for scaphoid
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What is number 1?
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Scaphoid: articular surface for radius
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What is number 2?
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Scaphoid: articular surface for trapezium and trapezoid
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What is number 3?
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Capitate: articular surface for scaphoid and lunate
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What is number 4?
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Lunate: articular surface for radius and articular disc
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What is number 1?
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Insertion of flexor carpi ulnaris
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What is number 2?
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Origin of abductor digiti minimi
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What is number 3?
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Insertion of abductor pollicus brevis
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What is number 1?
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Insertion of flexor digiti minimi brevis
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What is number 2?
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Insertion of adductor pollicis
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What is number 3?
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Origin of flexor pollicis brevis
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What is number 4?
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Origin of opponens pollicis
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What is number 1?
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Trapezium
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What is number 2?
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Trapezoid
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What is number 3?
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Scaphoid
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What is number 4?
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Lunate
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What is number 1?
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Capitate
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What is number 2?
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Hamate
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What is number 3?
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Triquetrum
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What is number 4?
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Pisiform
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What is number 1?
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Scaphoid tuberosity
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What is number 2?
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Hook of hamate
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What is number 3?
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Radial styloid process
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What is number 4?
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Ulna: head
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What is number 1?
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Triquetrum
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What is number 2?
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Hamate
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What is number 3?
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Capitate
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What is number 4?
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Scaphoid
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What is number 1?
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Lunate
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What is number 2?
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Trapezoid
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What is number 3?
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Trapezium
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What is number 4?
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Scaphoid tuberosity
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What is number 1?
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Ulnar styloid process
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What is number 2?
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Ulna: head
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What is number 3?
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Radial Styloid Process
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What is the origin of the palmar carpal arch?
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A branch of the radial and ulnar arteries; the anterior interosseous artery also joins it
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What is the course of the palmar carpal arch?
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The two branches unite on the palmar aspect of the wrist to form the palmar carpal arch which lies transversly across the wrist joint
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What are the brances of the palmar carpal arch?
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NA
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What is the distribution of the palmar carpal arch?
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Carpal bones
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What is the origin of the dorsal carpal arch?
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A branch from the radial and ulnar artery unite on the dorsal aspect of the wrist to form the dorsal carpal arch
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What is the course of the dorsal carpal arch?
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Transversely crosses the distal carpals
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What are the branches of the dorsal carpal arch?
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dorsal metacarpal arteries 2-4
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What is the distribution of the dorsal carpal arch?
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Adjacent sides of the index, middle, ring, and little fingers
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What is the origin of the superficial palmar arch?
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A continuation of the ulanr artery beyond the flexor retinaculum; it unites with a branc of the radial artery, arteria princeps pollicis or median artery to complete the arch
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What is the course of superficial palmar arch?
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It lies superficial to all the structures of the palm except the aponeurosis and palmaris brevis
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What are the branches of the superficial palmar arch?
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Four common palmar digital arteries
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What is the distribution of the superficial palmar arch?
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Main supply to the fingers
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What is the origin of the deep palmar arch?
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A continuation of the radial and ulnar arteries in the palm.
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What is the course of the deep palmar arch?
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It runs transversely, in an arch across the palm, over the bases of the metacarpals and deep to the long flexor tendons and the lumbricals.
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What are the branches of the deep palmar arch?
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Palmar metacarpal arteries
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What is the distribution of the deep palmar arch?
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Fingers
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What are the tibutaries of the Superficial palmar venous arch?
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Palmar digital arteries
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What is the course of Superficial palmar venous arch?
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Traverses the palm superficial to all structures except the aponeurosis and palmaris brevis
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What are the regions drained by Superficial palmar venous arch?
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Palm
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Superficial palmar venous arch drains into what?
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Laterally: radial vein,medially: ulnar vein
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What are the tribuataries of the Deep palmar venous arch?
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Palmar metacarpal veins
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What is the course of the Deep palmar venous arch?
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Passes transversely across the bases of the metacarpals, deep to the long flexor tendons
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What regions are drained by the Deep palmar venous arch?
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Palm
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Deep palmar venous arch drains into what?
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Laterally: radial vein, medially: ulnar vein
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What are the tributaries of the ulnar vein: deep palmar branch?
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Medial continuation of the deep palmar branch
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What is the course of the ulnar vein: deep palmar branch?
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Passes between abductor digiti minimi and flexor digiti minimi brevis
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The ulnar vein: deep palmar branch drains into what?
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Ulnar vein
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What regions are drained by the ulnar vein: deep palmar branch?
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Palm
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What are the tributaries of the dorsal carpal venous arch?
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Deep dorsal metacarpal veins
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What is the course of the dorsal carpal venous arch?
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Arches across the dorsal surface of the carpal bones
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The dorsal carpal venous arch drains into what?
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Medially into the ulnar veins and laterally into the radial vein
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What regions are drained by the dorsal carpal venous arch?
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Dorsum of the fingers
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What are the tributaries of the venous palmar carpal arch?
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Anastomoses of the palmar carpal branch of the radial vein and the palmar carpal branch of the ulnar vein
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What is the course of the venous palmar carpal arch?
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Crosses the wrist joint transversely
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The venous palmar carpal arch drains into what?
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Radial veins, ulnar veins
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What regions are drained by the venous palmar carpal arch?
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Carpal bones
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What are the tibutaries of the radial vein: superficial palmar branch?
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Superficial palmar venous arch
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What is the course of the radial vein: superficial palmar branch?
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Flows into the raidal vein at the wrist joint
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The radial vein: superficial palmar branch drains into what?
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Radial vein
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What regions are drained by the radial vein: superficial palmar branch?
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Thumb
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What is number 1?
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Flexor Pollicis Longus
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What is number 3?
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Palmaris Longus
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What is number 4?
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Flexor Carpi Radialis
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What is number 5?
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Flexor Carpi Ulnaris
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What is number 6?
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Flexor Digitorum Superficialis
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What is number 7?
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Pronator Teres
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What is number 9?
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Flexor Digitorum Profundus
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What is number 10?
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Extensor Carpi Radialis Longus
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What is number 11?
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Extensor Carpi Radialis Brevis
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What is number 2?
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Extensor Digitorum
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What is number 3?
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Extensor Retinaculum
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What is number 4?
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Extensor Pollicis Longus
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What is number 5?
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Extensor Indicis
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What is number 6?
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Extensor Carpi Ulnaris
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What is number 1?
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3rd Metacarpal: styloid process
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What is number 3?
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5th Metacarpal: articular surface for 4th metacarpal
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What is number 4?
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Metacarpal: shaft
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What is number 1?
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Distal Phalanx: palmar tuberosity
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Which dermatome is number 1?
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C2
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Which dermatome is number 2?
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C3
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Which dermatome is number 3?
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T2
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Which dermatome is number 4?
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C4
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Which dermatome is number 5?
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T3
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Which dertmatome is number 6?
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C5
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Which dermatome is number 6 (on the thorax)?
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T4
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Which dermatome is number 7?
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T5
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Which dermatome is number 8?
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T6
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Which dermatome is number 9?
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T2
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Which dermatome is number 11?
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T8
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Which dermatome is number 12?
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C6
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Which dermatome is number 14?
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T9
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Which dermatome is number 15?
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T10
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Which dermatome is number 16?
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T11
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Which dermatome is number 17?
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T12
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Which dermatome is number 18?
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L1
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Which dermatome is number 19?
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C7
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Which dermatome is number 20?
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S3
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Which dermatome is number 21?
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L2
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Which dermatome is number 22?
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L3
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Which dermatome is number 25?
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L5
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What is number 1?
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Insertion of abductor pollicis brevis
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What is number 2?
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Insertion of flexor pollicis brevis
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What is number 3?
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Insertion of opponens pollicis
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What is number 4?
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Insertion of abductor pollicis longus
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What is number 1?
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Insertion of first dorsal interosseous
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What is number 2?
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Insertion of flexor carpi radialis
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What is number 3?
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Insertion of second palmar interosseous
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What is number 4?
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Insertio of third palmar interosseous
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What is number 1?
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Insertion of extensor pollicis brevis
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What is number 2?
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Insertion of first dorsal interosseous
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What is number 3?
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Insertion of extensor carpi radialis longus
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What is number 4?
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Insertion of extensor carpi radialis brevis
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What is number 1?
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Insertion of extensor carpi ulnaris
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What is number 2?
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Insertion of fourth dorsal interosseous
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What is number 3?
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Insertion of third dorsal interosseous
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What is number 1?
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Insertion of abductor digiti minimi
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What is number 2?
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Insertion of flexor digitorum brevis
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What is number 3?
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Insertion of opponens digiti minimi
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What is number 4?
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Insertion of first palmar interosseous
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What is number 1?
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Insertion of adductor pollicis
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What is number 2?
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Insertion of opponens digiti minimi
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What is number 2?
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Insertion of opponens digiti minimi
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What is number 1?
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Insertion of flexor digitorum profundus
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What is number 2?
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Insertion of flexor digitorum superficialis
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What is number 3?
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Insertion of dorsal interosseous
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What is number 1?
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Insertion of extensor pollicis longus
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What is number 2?
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Insertion of dorsal interosseous
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What is number 1?
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Insertion of extensor apparatus
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What is number 1?
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Insertion of flexor pollicis longus
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What is number 2?
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Insertion of extensor apparatus
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What is number 3?
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Insertion of flexor digitorum profundus
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What is number 1?
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Insertion of abductor pollicis brevis
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What is number 2?
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Insertion of flexor pollicis brevis
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What is number 3?
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Insertion of opponens pollicis
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What is number 4?
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Insertion abductor pollicis longus
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What is number 1?
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Insertion of first dorsal interosseous
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What is number 2?
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Insertion of flexor carpi radialis
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What is number 3?
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Insertion of second palmar interosseous
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What is number 4?
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Insertion of third palmar interosseous
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What is number 1?
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Insertion of extensor pollicis brevis
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What is number 2?
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Insertion of first dorsal interosseous
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What is number 3?
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Insertion of extensor carpi radialis longus
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What is number 4?
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Insertion of extensor carpi radialis brevis
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What is number 1?
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Insertion of extensor carpi ulnaris
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What is number 2?
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Insertion of fourth dorsal insterosseous
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What is number 3?
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Insertion of third dorsal interosseous
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What is number 1?
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Insertion of abductor digiti minimi
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What is number 2?
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Insertion of flexor digiti minimi brevis
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What is number 3?
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Insertion of opponens digiti minimi
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What is number 4?
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Insertion of first palmar interosseous
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What is number 1?
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Insertion of adductor pollicis
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What is number 2?
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Insertion of opponens digiti minimi
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What is number 3?
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Origin of flexor pollicis brevis
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What is the action of the lumbricals?
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Flex metacarpophalangeal joints, extend interphalangeal joints
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What is the innervation of the lumbricals?
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Deep branch of ulnar nerve, median nerve
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What is the blood supply of the lumbricals?
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Superificialy palmar arch, common palmar digital arteries, deep palmar arch, dorsal digital artery
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What is the origin of the lumbricals?
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Tendons of flexor digitorum profundus
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What is the insertion of the lumbricals?
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Tendons of extensor digitorum
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What is the action of the dorsal interossei?
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Abduct fingers 2-4, flex MCP joints; extend distal joints of fingers
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What is the innervation of the dorsal interossei?
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Deep branch of ulnar nerve
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What is the blood supply of the dorsal interossei?
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Dorsal metacarpal artery and palmar metacarpal artery
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What is the origin of the dorsal interossei?
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Metacarpals
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What is the insertion of the dorsal interossei?
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Bases of proximal phalanges of fingers 2-4
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What is the action of the palmar interossei?
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Adduct finger 2-4, flex MCP joints, extend distal joints of fingers
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What is the innervation of the palmar interossei?
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Deep branch of ulnar nerv
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What is the blood supply of the palmar interossei?
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Palmar metacarpal arterial arch
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What is the origin of the palmar interossei?
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Metacarpals
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What is the insertion of the palmar interossei?
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Bases of proximal phalanges of fingers 2,4,5
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What is the action of the abductor digiti minimi?
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Abduction of the little finger
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What is the innervation of the abductor digiti minimi?
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Deep branch of ulnar nerve
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What is the blood supply of the abductor digiti minimi?
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Ulnar artery
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What is the origin of the abductor digiti minimi?
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Pisiform bone
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What is the insertion of the abductor digiti minimi?
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Base of the proximal phalanx of the 5th digit on the ulnar or medial side
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What is the action of the flexor digiti minimi brevis?
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Flexes little finger
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What is the innervation of the flexor digiti minimi brevis?
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Deep branch of ulnar nerve
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What is the blood suppy of the flexor digiti minimi brevis?
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Ulnar artery
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What is the origin of of the flexor digiti minimi brevis?
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Hamate bone
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What is the insertion of the flexor digiti minimi brevis?
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Proximal phalanx of little finger
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What is the action of opponens digiti minimi?
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Draws 5th metacarpal anteriorly and rotates it, bringing little finger into opposition with thumb
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What is the innervation of opponens digiti minimi?
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Deep branch of ulnar nerve
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What is the blood supply of opponens digiti minimi?
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Ulnar artery
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What is the origin of opponens digiti minimi?
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Hook of hamate bone and flexor retinaculum
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What is the distal attachment of opponens digiti minimi?
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Medial border of 5th metacarpal
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What is the origin of dorsal metacarpal arteries- 2nd-4th?
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Arise from dorsal carpal arch
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What is the course of dorsal metacarpal arteries- 2nd-4th?
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Pass directly to jointhe dorsal digital artery on the ulnar side of each metacarpal
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What are the branches of dorsal metacarpal arteries- 2nd-4th?
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Terminate by dividing into dorsal digital arteries
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What is the distribution of dorsal metacarpal arteries- 2nd-4th?
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Proximal tissues of the digits
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What is the origin of the first dorsal metacarpal artery?
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Branch of the radial artery
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What is the course of the first dorsal metacarpal artery?
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Arises just before it passes between the heads of the first dorsal interosseous muscle
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What are the branches of the first dorsal metacarpal artery?
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Two dorsal digital arteries
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What is is the distribution of the first dorsal metacarpal artery?
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Adjacent sides of the thumb and index finger
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What is the origin of the fifth dorsal metacarpal artery?
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Dorsal carpal arch
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What is the course of the fifth dorsal metacarpal artery?
|
Passes distally to join the dorsal digital artery on the ulnar side of the fifth metacarpal
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What are the branches of the fifth dorsal metacarpal artery?
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Dorsal digital artery
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What is the distribution of the fifth dorsal metacarpal artery?
|
Proximal tissues of the digit
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What is the origin of the dorsal digital arteries?
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Terminal bifurcation of the dorsal metacarpal arteries?
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What is the course of the dorsal digital arteries?
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They run along the metacarpals on either side of the fingers
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What are the branches of the dorsal digital arteries?
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N/A
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What is the distribution of the dorsal digital arteries?
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Soft tissues more distally
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What is the origin of the proper palmar digital arteries?
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Bifurcation of each common palmar digital artery
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What is the course of the proper palmar digital arteries?
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Ascends in front of the medial epicondyle of the humerus
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What are the branches of the proper palmar digital arteries?
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Anastomose in the pulps of the fingers and at about the level of each MCP joint
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What is the distribution of the proper palmar digital arteries?
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MP and IP joints, the phalangeal bones, and the soft tissue of the fingers
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What is the origin of the arteria radialis indicis?
|
Terminal branch of the radial artery
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What is the course of the arteria radialis indicis?
|
Enters the index finger palmarly on the radial side
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What are the branches of the arteria radialis indicis?
|
Proper palmar digital artery on the radial side of the index finger
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What is the distribution of the arteria radialis indicis?
|
Index finger
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What is the origin of the arteria princeps pollicis?
|
Branch of the radial artery
|
|
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What is the course of the arteria princeps pollicis?
|
Runs deep to adductor pollicis
|
|
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What are the branches of the arteria princeps pollicis?
|
NA
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|
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What is the distribution of the arteria princeps pollicis?
|
Soft tissues of the palmar aspects of the thumb and the first metacarpal
|
|
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What is the origin of the common palmar digital arteries?
|
Arise from superficial palmar arch
|
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What is the course of the common palmar digital arteries?
|
Pass distally in the palm
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What are the branches of the common palmar digital arteries?
|
Anastomose with the palmar metacarpal arteries, which arise from the deep palmar arch
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What is the distribution of the common palmar digital arteries?
|
Second, third, and fourth lumbricals
|
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What are the tributaries of the dorsal digital veins?
|
NA
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|
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What is the course of the dorsal digital veins?
|
The pass along the metacarpals and phalanges on either side of the fingers
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|
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The dorsal digital veins drain into what?
|
Dorsal metacarpal veins
|
|
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What is drained by the dorsal digital veins?
|
Digits
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What is the course of the proper palmar digital veins?
|
Pass along the metacarpals and phalanges on either side of the fingers
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|
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The proper palmar digital veins drain into what?
|
Common palmar digital veins
|
|
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What regions are drained by the proper palmar digital veins?
|
Drain adjacent sides of the digits
|
|
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What is the course of the palmar digital veins?
|
Run superficial to the deep fascial of the hand, along adjacent sides of the second to fifth fingers
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|
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The palmar digital veins drains into what?
|
Superficial palmar plexus
|
|
|
What regions are drained by the palmar digital veins?
|
Digits
|
|
|
What is the course of the deep dorsal digital veins?
|
They run along the metacarpals on either side of the fingers
|
|
|
The deep dorsal digital veins drain into what?
|
Deep dorsal metacarpal veins
|
|
|
What regions are drained by the deep dorsal digital veins?
|
Soft tissues
|
|
|
What are the tributaries of the deep dorsal metacarpal veins?
|
Deep dorsal digital veins
|
|
|
What is the course of the deep dorsal metacarpal veins?
|
Pass distally to join the dorsal digital artery on the ulnar side of each metacarpal
|
|
|
The deep dorsal metacarpal veins drains into what?
|
Dorsal carpal arch
|
|
|
What regions are drained by the deep dorsal metacarpal veins?
|
Dorsal surface of the fingers
|
|
|
What are the tributaries of the dorsal metacarpal veins?
|
Adjacent dorsal digital veins
|
|
|
What is the course of the dorsal metacarpal veins?
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Travel along the dorsal aspect of the metacarpal bones
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The dorsal metacarpal veins drains into what?
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Dorsal venous plexus
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What regions are drained by the dorsal metacarpal veins?
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Dorsal surface of the fingers
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What are the tributaries of the dorsal venous plexus?
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Dorsal metacarpal veins, dorsal digital veins of the thumb
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What is the course of the dorsal venous plexus?
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Lies over the metacarpals superficial to the extensor tendons
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The dorsal venous plexus drains into what?
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Laterally it drains into the cephalic vein and medially into the basilic
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What regions are drained by the dorsal venous plexus?
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Superficial structures of the dorsum of the hand
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What are the tributaries of the common palmar digital veins?
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Proper palmar digital veins
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What is the course of the common palmar digital veins?
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Accompany common palmar diital arteries
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The common palmar digital veins drain into what?
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Superficial palmar venous arch
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What regions are drained by the common palmar digital veins?
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Second, third, and fourth lumbricals
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What are the tributaries of the palmar venous plexus?
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Palmar digital veins
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What is the course of the palmar venous plexus?
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Lies superficial to the palmar aponeurosis
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The palmar venous plexus drains into what?
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Median vein of the forearm
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What regions are drain by the palmar venous plexus?
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Digits
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What is the origin of the ulnar nerve: superficial terminal branch?
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Ulnar nerve
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What is the course of the ulnar nerve: superficial terminal branch?
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Arises at the flexor retinaculum and continues distally deep to palmaris brevis
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What are the branches of the ulnar nerve: superficial terminal branch?
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Two palmar digital nerves
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What is the distribution of the ulnar nerve: superficial terminal branch?
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Palmaris brevis, ulnar half of the little finger, adjacent sides of the little and ring fingers
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What is the origin of the ulnar nerve: common palmar digital nerve?
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Ulnar nerve at the wrist, in Guyon's canal anterior to the flexor retinaculum
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What is the course of the ulnar nerve: common palmar digital nerve?
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Continues through Guyon canal
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What are the branches of the ulnar nerve: common palmar digital nerve?
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Two palmar digital nerves distal to palmaris brevis
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What is the distribution of the ulnar nerve: common palmar digital nerve?
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Ulnar half of the little finger, adjacent sides of little and ring fingers
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What is the origin of the ulnar nerve: proper palmar digital nerve?
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Branches of the superficial terminal branch of the ulnar nerve
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What is the course of the ulnar nerve: proper palmar digital nerve?
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Arise distal to palmaris brevis
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What are the branches of the ulnar nerve: proper palmar digital nerve?
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NA
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What is the distribution of the ulnar nerve: proper palmar digital nerve?
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Sensibility to the ulan half of the little finger
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What is the origin of the median nerve: common palmar digital branch?
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Median Nerve
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What is the course of the median nerve: common palmar digital branch?
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Arise distal to the flexor retinaculum at the wrist and pass distally between the flexor tendons
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What are the branches of the median nerve: common palmar digital branch?
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Proper palmar digital branches
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What is the distribution of the median nerve: common palmar digital branch?
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Adjacent sides of the digits
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What is the origin of the median nerve: proper palmar digital branches?
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Arise from the division of the common palmar digital nerves
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What is the course of the median nerve: proper palmar digital branches?
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Run on adjacent sides of the digits
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What are the branches of the median nerve: proper palmar digital branches?
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NA
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What is the distribution of the median nerve: proper palmar digital branches?
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Sensibility to the index finger and long and radial aspects of the ring finger
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What is the origin of the ulnar nerve: deep terminal branch?
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Ulnar Nerve
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What is the course of the ulnar nerve: deep terminal branch?
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Passes between abductor digiti minimi and flexor digiti minimi together with the deep branch of the ulnar artery, pierces the opponens digiti minimi before coming to lie deep to the flexor tendons within the deep palmar arterial arch
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What are the branches of the ulnar nerve: deep terminal branch?
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Motor articular branches
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What is the distribution of the ulnar nerve: deep terminal branch?
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Hypothenar muscles, itnerossei, adductor pollicis, opponens pollicis, flexor pollicis brevis, carpus and carpometacarpal joints
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What is number 1?
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Extensor Pollicis Brevis
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What is number 2?
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Abductor Pollicis Longus
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What is number 2?
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Abductor Pollicis Longus
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What is number 3?
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Extensor Indicis
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What is number 4?
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Extensor Retinaculum
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What is number 5?
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Extensor Pollicis Longus
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What is number 6?
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Extensor Digitorum
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What is number 7?
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Extensor Carpi Ulnaris
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What is number 1?
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Extensor Digitorum
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What is number 3?
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Extensor Digiti Minimi
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What is number 4?
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First Dorsal Interosseous
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What is number 5?
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Extensor Pollicis Longus
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What is number 7?
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Extensor Indicis
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What is number 7?
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Extensor Retinaculum
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What is number 1?
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Flexor Carpi Ulnaris
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What is number 2?
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Flexor Digitorum Superficialis
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What is number 3?
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Palmaris Longus
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What is number 4?
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Abductor Pollicis Longus
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What is number 5?
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Flexor Carpi Radialis
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What is number 6?
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Opponens Pollicis
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What is the action of the pronator quadratus?
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Pronates the forearm
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What is the action of the flexor digitorum profundus?
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Flexes hand, interphalangeal joints
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What is the action of the flexor pollicis longus?
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Flexion of the thumb
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What is the action of the supinator?
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Supinates the forearm
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What is the action of the adductor pollicis longus?
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Abduction of thumb and wrist
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What is the action of the extensor pollicis brevis?
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Extension of thumb at MCP joint
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What is the action of the extensor pollicis longus?
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Extension of thumb MCP and IP
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What is the action of the extensor indicis?
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Extends index finger, wrist
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What is the action of the pronator teres?
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Pronation of forearm, flexes elbow
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What is the action of the palmaris longus?
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Wrist flexor
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What is the action of the flexor carpi radialis?
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Flexion and abduction of wrist
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What is the action of the flexor carpi ulnaris?
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Flexion of wrist
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What is the action of the flexor digitorum superficialis?
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Flexor of finger
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What is the action of the brachioradialis?
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Flexion of forearm
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What is the action of the extensor carpi radialis longus?
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Extensor of wrist, abducts the hand at the wrist
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What is the action of the extensor carpi radialis brevis?
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Extensor and abductor of hand at wrist
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What is the action of the extensor digitorum?
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Extension of hand and fingers
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What is the action of the extensor digiti minimi?
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Extends little finger at all joints
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What is the action of the extensor carpi ulnaris?
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Extends and adducts the wrist
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What is the proximal attachment of pronator quadratus?
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Medial, anterior surface of the ulna
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What is the distal attachment of pronator quadratus?
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Lateral, anterior surface of radius
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What nerve innervates the pronator quadratus?
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Median
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What nerve innervates the flexor digitorum profundus?
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Palmar interosseous, from median and ulnar
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What is the proximal attachment of the flexor digitorum profundus?
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Medial and posterior surfaces of ulna
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What is the distal attachment of the flexor digitorum profundus?
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Bases of distal phalanges of fingers 2-5
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What nerve innervates the flexor pollicis longus?
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Median
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What is the proximal attachment of the flexor pollicis longus?
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Anterior shaft of radius and interosseous membrane
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What is the distal attachment of the flexor pollicis longus?
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Base of distal phalanx of thumb
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What nerve innervates the supinator?
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Deep radial
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What is the proximal attachement of the supinator?
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Lateral epicondyle of humerus, supinator crest of ulna, radial collateral ligament, annular ligament
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What is the distal attachment of the supinator?
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Anterolateral surface of radius distal to the radial tuberosity
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What nerve innervates the abductor pollicis longus?
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Deep radial
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What is the proximal attachment of the abductor pollicis longus?
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Ulna, radial styloid process
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What is the distal attachment of the abductor pollicis longus?
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First metacarpal bone
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What nerve innervates the extensor pollicis brevis?
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Deep radial
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What is the proximal attachment of the extensor pollicis brevis?
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Shaft of radius
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What is the distal attachment of the extensor pollicis brevis?
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Thumb, proximal phalanx
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What nerve innervates the extensor pollicis longus?
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Deep radial
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What is the proximal attachment of the extensor pollicis longus?
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Posterior and lateral surfaces of ulna
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What is the distal attachment of the extensor pollicis longus?
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Thumb, distal phalanx
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What nerve innervates the extensor indicis?
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Deep radial
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What is the proximal attachment of the extensor indicis?
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Posterior surface of ulna
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What is the distal attachment of the extensor indicis?
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Posterior surface of phalanges of index finger
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What nerve innervates the pronator teres?
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Median
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What is the proximal attachment of the pronator teres?
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Humeral head: medial epicondyle of humerus
Ulnar head: coronoid process of ulna |
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What is the distal attachment of the pronator teres?
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Distal lateral surface of radius
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What nerve innervates the palmaris longus?
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Median
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What is the proximal attachment of palmaris longus?
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Medial epicondyle of humerus
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What is the distal attachment of palmaris longus?
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Palmar aponeurosis
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What nerve innervates the flexor carpi radialis?
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Median
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What is the proximal attachment of flexor carpi radialis?
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Medial epicondyle of humerus
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What is the distal attachment of the flexor carpi radialis?
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Bases of second and third metacarpal bones
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What nerve innervates the flexor carpi ulnaris?
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Muscular branches of ulnar nerve
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What is the proximal attachment of flexor carpi ulnaris?
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Medial epicondyle of humerus
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What is the distal attachment of flexor carpi ulnaris?
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Pisiform, hamate, and base of 5th metacarpal bone
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What nerve innervates the flexor digitorum superficialis?
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Median
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What is the proximal attachment of flexor digitorum superficialis?
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Medial epicondyle of humerus; adjacent anterior surfaces of ulna and radius
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What is the distal attachment of flexor digitorum superficialis?
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Midlateral surfaces of middle phalanges of fingers 2-5
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What nerve innervates the brachioradialis?
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Radial
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What is the proximal attachment of the brachioradials?
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Lateral supracondylar ridge of the humerus
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What is the distal attachment of the brachioradialis?
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Distal radius (radial styloid process)
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What nerve innervates the extensor carpi radialis longus?
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Radial
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What is the proximal attachment of the extensor carpi radialis longus?
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Lateral supracondylar ridge
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What is the distal attachment of the the extensor carpi radialis longus?
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Base of 2nd metacarpal bone
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What nerve innervates the extensor carpi radialis brevis?
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Radial
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What is the proximal attachment of the extensor carpi radialis brevis?
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Humerus at the anterior of lateral epicondyle
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What is the distal attachment of the extensor carpi radialis brevis?
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Base of the 3rd metacarpal bone
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What nerve innervate the extensor digitorum?
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Deep radial
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What is the proximal attachment of the extensor digitorum?
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Deep radial
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What is the distal attachment of the extensor digitorum?
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Posterior surfaces of the 2nd and 3rd phalanges
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What nerve innervates the extensor digit minimi?
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Deep radial
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What is the proximal attachment of the extensor digit minimi?
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The anterior portion of the lateral epicondyle of the humerus; medial epicondyle of the humerus
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What is the distal attachment of the extensor digit minimi?
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Posterior surface of proximal phalanx of little finger
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What nerve innervates the extensor carpi ulnaris?
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Posterior interosseous
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What is the proximal attachment of the extensor carpi ulnaris?
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Common extensor tendon, ulna
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What is the distal attachment of the extensor carpi ulnaris?
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5th metacarpal
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What is the origin of the Axillary nerve
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C5, C6: posterior cord of brachial plexus
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What is the course of the Axillary nerve
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Descends behind the axillary artery to the lower border of subsapularis, passing through the quadrilateral space with the posterior circumflex humeral artery
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What are the branches of the Axillary nerve
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Anterior and posterior branch
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What is the distribution of the Axillary nerve
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Motor: Deltoid and teres minor
Sensory: Shoulder Joint Cutaneous: Skin over the shoulder and lateral arm |
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What is the origin of the Medial cutaneous nerve of arm
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Side branches of medial cord, receiving fibers from C8, T1
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What is the course of the Medial cutaneous nerve of arm
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Smallest nerve of plexus, runs along medial side of axillary and brachial veins; communicates with intercostobrachial nerve
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What are the branches of the Medial cutaneous nerve of arm
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N/A
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What is the distribution of the Medial cutaneous nerve of arm
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Skin of medial side of arm, as far distal as medial epicondyle of humerus and olecranon of ulna
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What is the origin of the Lateral supraclavicular nerves
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Common trunk of the supraclavicular nerves deep to platysma and the deep cervical fascia
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What is the course of the Lateral supraclavicular nerves
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Descend superficially over trapezius and acromion to terminate in the superoposterior skin of the shoulder
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What are the branches of the Lateral supraclavicular nerves
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N/A
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What is the distribution of the Lateral supraclavicular nerves
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Supply skin over the superoposterior aspects of the shoulders as well as the acromioclavicular joints
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What is the origin of the Dorsal scapular nerve
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Arises from C5 ventral ramus
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What is the course of the Dorsal scapular nerve
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Pierces the scalenus medius to travel behind the levator scapulae with the deep branch of the dorsal scapular artery
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What are the branches of the Dorsal scapular nerve
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N/A
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What is the distribution of the Dorsal scapular nerve
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Levator scapulae and the rhomboids
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What is the origin of the Suprascapular nerve
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Upper trunk of the brachial plexus containing fibers from C5 and C6 spinal segments
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What is the course of the Suprascapular nerve
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The two subscapular nerves arise on either side of the thoracodorsal nerve; the upper branch passes into subscapularis and the lower branch passes downwards into teres major
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What are the branches of the Suprascapular nerve
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Upper and lower branch
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What is the distribution of the Suprascapular nerve
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Subscapularis,teres major
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What is the origin of the Thoracodorsal nerve
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Arises between the two subscapular nerves containing fibers from C6, C7, and C8 spinal segments
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What is the course of the Thoracodorsal nerve
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Runs with the subscapular arteries along the posterior wall as far as the distal border of latissimus dorsi
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What are the branches of the Thoracodorsal nerve
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N/A
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What is the distribution of the Thoracodorsal nerve
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Latissimus dorsi
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What is the origin of the Lower (inferior) subscapular nerve
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Arises on either side of the thoracodorsal nerve
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What is the course of the Lower (inferior) subscapular nerve
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Passes downwards to supply subscapularis and teres major
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What are the branches of the Lower (inferior) subscapular nerve
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N/A
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What is the distribution of the Lower (inferior) subscapular nerve
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Subscapularis and teres major
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What is the origin of the Lateral pectoral nerve
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Arises from lateral cord, contains fibers from C5, C6, and C7 spinal segments fibers from C5, C6 and C7 spinal
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What is the course of the Lateral pectoral nerve
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Pierces the clavipectoral fascia to supply pectoralis major
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What are the branches of the Lateral pectoral nerve
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N/A
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What is the distribution of the Lateral pectoral nerve
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Pectoralis major
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The deep palmar arch is formed by what?
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Both radial and ulnar but with ulnar contributing more
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Superficial Palmar arch is formed primarily by which artery?
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Ulnar
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The dorsal carpal arch is found where?
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Closest one of the arches of the hand near the wrist
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Which nerve of the brachial plexus, innervates the muscles of the hand (e.g. lumbricals)?
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Ulnar
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