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59 Cards in this Set
- Front
- Back
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What are the Superficial Veins of the Forearm?
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1. Median Cubital Vein
2. Accessory Cephalic Vein 3. Median Basilic Vein |
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What type of joint is the wrist?
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Condyloid Synovial Joint
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What are the deep muscles of the anterior compartment f the forearm?
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1. Flexor pollicis longus
2. Flexor Digitorum profundus 3. Pronator Quadratus |
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What are the superficial muscles of the anterior compartment of the forearm?
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1. Flexor Carpi Radialis
2. Palmaris Longus 3. Flexor Digitorum Superficialis 4. Flexor Carpi Ulnaris |
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What are the Supinators of the arm?
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1. Biceps Brachi
2. Supinator |
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What are the Pronators of the Arm?
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1. Pronator Teres
2. Pronator Quadratus |
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What are the Suerficial muscles of the posterior compartment of the forearm?
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1. Extensor Radialis Longus
2. Extensor Radialis Brevis 3. Extensor Digitorum 4. Extensor Digiti Minimi 5. Extensor Carpi Ulnaris |
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What are the Deep Muscles of the posterior compartment of the forearm?
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1. supinator
2. Abductor Pollicis Longus 3. Extensor Pollicis Brevis 4. Extensor Pollicis Longus 5. Extensor Indicis |
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Wht are exrensic hand muscles?
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Muscles with one attachment on the hand
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What are intensic Hand Muscles?
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Muscles with both attachment on the hand.
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What is the significance of the distal wrist crease?
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It is the beginning of the flexor retinaculum
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What is the best example of a saddle joint in the body?
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The joint between the 1st metacarpal and the trapezium.
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MP Joint
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metacarpal- Phalangeal joint
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PIP Joint
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Proximal Interphalangeal joint
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DIP Joint
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Distal Interphalangeal Joint
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What are the extransix muscles of the carpal tunnel?
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4- digitorum superficialis
4- digitorum profundus 1- Flexor Pollicis Longus |
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What are the contents of the Carpal Tunnel?
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9 Flexors
Median nerve |
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What is the roof of the carpal tunnel?
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Flexor retinaculum or the transverse carpal ligament
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Where do the digitorum profundus tendons attach?
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Distal Phalanx
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Where do the digitorum superficialis tendons attach?
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Middle Phanlanx
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What is the roof of Guyon's canal?
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1. palmar carpal ligament
2. Palmeris brevis |
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What are the contents of Guyon's Canal?
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1. Ulnar N
2. Ulnar A |
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What are the boundaries of guyon's Canal?
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1. Pisiform
2. Hook of Hamate |
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What is the floor of Guyon's Canal?
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Pisohamate ligament
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What are the thre condensations of fascia in the hand that prevent bowstringing of the long flexors?
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1. Flexor retinaculum
2. Palmar Aponeurosis 3. Fibrous Digital Sheaths |
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Where does the palmar cutaneous branch of the Median Nerve branch off of the median nerve?
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before entering the carpal tunnel
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What are the components of the fibrous digital sheaths?
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1. Annular Pulleys (5)
2. Cruciate Pulleys (4) |
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How do you fix "Trigger Finger?"
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Cutting the A1 pulley
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What is the gap in the syovial sheath called?
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mesotendon- allows for blood flow
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What is tenosynovitis?
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Inflamation of the synovial sheaths.
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What are the divisions of flexor synovial sheaths?
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1. Ulnar Bursa- common flexor sheath
2. Radial Synovial Sheath- Surrounds Flexor Pollicis Longus |
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What is s horseshoe abcess?
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Tenosynovitis that communicates between the ulnar and radial
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What are the characteristics of the extensor snovial sheaths?
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1. 6 Compartments
2. Endoscopy Approach to Wrist is between compartments 2 and 3 3. Each Compartment is isolated |
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Depuytren's Contraction
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Thickeing of extensions of palmar aponeurosis. Caused by Alcoholism.
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Compartments of the hand
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1. Thenar Compartment
2. Hypothenar Compartment 3. Cenral Compartment |
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What are the components of the hypothenar compartment?
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1. Abductor Digiti Minimi
2. Flexor Digiti Minimi Brevis 3. Oponens Digiti Minimi |
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What are the components of the thenar compartment?
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1. Abductor Pollicis Brevis
2. Flexor Pollicis Brevis 3. Opponens Pollicis |
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What are the components of the Central Compartment of the Hand?
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1. Superficial- lumbricles
2. Deep- Adductor Pollicis |
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What are the characteristics of the lumbricles?
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1/2- radial N
3/4- Ulnar Nerve |
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What are the characteristics of the Adductr Pollicis?
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1. Transverse Head
2. Oblique Head 3. Gap between heads gives rise to the radial artery |
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What are the characteristics of the palmar inerosseus muscles?
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1. Unipenate
2. Adductors 3. 3 muscles |
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What are the characteristics of the dorsal interosseus muscles?
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1. Bipenate
2. Abductors 3. 4 Muscles |
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What hand muscles does the median nerve supply?
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1. Thenar compartment (recurrent branch)- Abductor pollicis brevis, flexor pollicis brevis, opponens pollicis
2. 2 Radial Lumbricles- digits 2 and 3 |
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How many muscles does the Ulnar N supply in the hand?
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14- Ulnar nerve splits into deep and superficial branches after passing through Guyon's Canal.
Deep Branch- Palmeris brevis |
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On what joint does the extensor expansion lie?
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The MC Joint
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What is the Allen's Test?
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Determines if superficial palmar arch is complete in order to determine if radial artery can be used for tranplant.
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What are the components of the superficial palmar arch?
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Primary- Ulnar A
Minor- Radial A |
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What are the components of the deep palmar arch?
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Primary- Radial A
Minor- Ulnar A |
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What are the characteristics of the palmar digital arteries?
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1. Extend from the superficial plamar arch
2. Run with palmar Digital Nerves (from median nerve) 3. Anastamose with the palmar metacarpal Arteries (from deep palar arch) |
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What are the characteristics of the princeps pollicis artery?
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1. Primary blood supply to the thumb
2. Arises from the deep palmar arch |
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What are the characteristics of the Radius Indicis Artery?
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1. Radial side of the index finger
2. Arises fromt eh deep palmar arch/princeps pollicis a. |
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What are the boundaries of the anatomical snuffbox?
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1. Extensor pollicis Longus
2. Extenso Pollicis Brevis- Abductor Pollicis Longus |
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What are the components of the anatomical snuff box?
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1. Superficial Brachial radial nerve
2. Radial Artery 3. Cephalic Vein arises here |
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Pain in he anatomical snuffbox is indicatie of what?
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Fracture of the scaphoid
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The recurrent branch of the median nerve supplies what?
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Thenar compartment- abductor pollicis brevis, flexor pollicis brevis, opponens pollicis
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What dermatome is the thumb?
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C6 "six shoter"
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What is the most often injured ligament of the elbow?
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Anterior ulnar collateral ligament
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What is the TFC
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Triangular Fibrocartilage- Articular cartilage of the wrist
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What does the TFC separate?
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Proximal carpus from the articulating end of the ulna
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