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71 Cards in this Set
- Front
- Back
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Superior Lateral Brachial Cutaneous Nerve is a branch of which nerve?
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Axillary Nerve
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Superior Lateral Brachial Cutaneous Nerve covers what?
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Lower 1/2 posterior deltoid
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Posterior Brachial Cutaneous Nerve is a branch of which nerve?
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Radial
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Posterior Brachial Cutaneous Nerve supplies which area of skin?
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Posterior medial arm inferior to detoid
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What pierces the posterior medial arm inferior to the deltoid?
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Posterior Brachial Cutaneous Nerve
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The Inferior Lateral Brachial Cutaneous Nerve is a branch of which nerve?
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Radial
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What supplies the skin over the posterior lateral arm?
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Inferior Lateral Brachial Cutaneous Nerve
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The Posterior Cutaneous nerve of the forearm runs where?
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Posterior lateral aspect of the arm above elbow and down posterior lateral forearm
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The posterior cutaneous nerve of the forearm is a branch of which nerve?
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Radial
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Where does the medial cutaneous nerve of the arm originate?
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Medial cord of brachial plexus
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Where does the medial cutaneous nerve of the arm run?
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Medial cord --> posterior aspect of arm inferior to posterior cutaneous nerve of arm
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where does the medial cutaneous nerve of the forearm originate?
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Medial cord
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Where does the medial cutaneous nerve of the forearm run?
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Posterior aspect of forearm --> skin on posterior medial aspect of forearm
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What supplies skin on the lateral aspect of the forearm?
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Lateral cutaneous nerve of the forearm
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What supplies the skin on the posterior medial aspect of the forearm?
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Medial cutaneous nerve of the forearm
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The lateral cutaneous nerve of the forearm is a continuation of which nerve?
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Musculocutaneous nerve
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Name two nerves which supply the dorsum of the hand?
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1. Superficial Radial Nerve
2. Posterior cutaneous branch of the ulnar nerve |
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I: Triceps Brachii?
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Posterior surface of olecranon process
Antebrachial Fossa |
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O Long head TB?
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Infraglenoid tubercle scapula
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O Lateral head TB?
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Lateral/Posterior surface of proximal humerus
Lateral intermuscular septum |
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Location lateral head TB?
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Lateral to long head
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O medial head TB?
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Medial/posterior surface distal humerus
Medial intermuscular septum |
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Location of medial head TB?
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Deep to long and lateral heads
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What separates the origins of the lateral and medial heads?
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Radial groove of humerus
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What runs in the radial groove of the humerus?
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Radial nerve
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O/I Anconeus
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ORIGIN
Posterior surface lateral epicondyle humerus INSERTION Lateral side of olecranon process Antebrachial fasic |
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Where does the radial nerve come from?
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Posterior cord of BP
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What does the radial nerve travel c?
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Profunda Brachii --> radial coolateral artery
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What does the radial nerve supply?
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Three heads of the TB
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What does the profunda brachii travel with?
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Radial nerve
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The profunda brachii branches into what (2) structures?
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Middle collateral artery
Radial collateral artery |
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Where does the ulnar nerve come from?
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Medialcord of BP
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What travels with the ulnar nerve?
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ulnar collateral artery
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What is the parent artery of the ulnar collateral artery?
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Brachial artery
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Name the muscles on the proximal posterior forearm lateral to medial
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Brachioradialis
Extensor Carpi Radialis Longus Extensor Carpi radialis Brevis Extensor Digitorum Extensor digiti minimi Extensor carpi ulnaris |
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O/I Brachioradialis?
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ORIGIN
Lateral supracondylar ridge of humerus Lateral Intermuscular septum INSERTION: Styloid process of radius |
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O/I Extensor Carpi Radialis Brevis?
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O: Distal lateral supracondylar ridge of humerus
Lateral Intermuscular Septum INSERTS Base 2nd metacarpal |
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O/I Extensor Digitorum?
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ORIGIN
Common extensor tendon Deep antebrachial fascia INSERT Via 4 tendons into digits 2-5 |
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O/I Extensor Digiti Minimi?
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ORIGIN
Common extensor tendon Posterior Ulna Deep antebrachial fascia INSERTS Base of 5th metacarpal |
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O/I Supinator?
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ORIGIN
Lateral epicondyle of humerus Radial collateral ligament of elbow Annular Ligament of radius Supinator crest of ulna INSERT Anterior/Posterior lateral proximal radius |
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O/I Abductor Pollicis Longus
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ORIGIN
Ulna distal to O supinator Interosseous membrane Posterior surface middle of radius INSERT Base of 1st metacarpal |
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O/I Extensor Pollicis Brevis?
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ORIGIN
Posterior surface of radius distal to O abductor pollicis longus Interosseous membran INSERT Base of proximal phalanx of thumb |
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What muscles pass DEEP to extensor pollicis brevis and abudutor pollicis longus?
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Extensor arpi radialis longus/brevis
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O/I Extensor Pollicis Longus?
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ORIGIN
Middle posterior surface ulna distal to origin of abductor pollicis longus Interosseous membran INSERT Base distal phalanx of thumb |
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O/I Extensor Indicis?
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O: Posterior surface of ulna distal to origin of extensor pollicis longus
Interosseous membrane INSERT Extensor expansion of index finger c extensor digitorum longus |
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O/I Extensor Retinaculum?
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O: Distal radius
I: Styloid process of ulna, triquetrum, pisiform |
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How many extensor compartments are there?
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SIX
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What is in the 1st extensor compartment?
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Abductor pollicis longus
Extensor pollicis brevis |
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What is in the 2nd extensor compartment?
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Extensor carpi radialis Longus/Brevis
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What is in the 3rd extensor compartment?
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Extensor Pollicis Longus
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What is in the 4th extensor compartment?
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Extensor Digitorum
Extensor Indicis |
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What is in the 5th extensor compartment?
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Extensor Digit Minimi
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What is in the 6th extensor compartment?
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Extensor carpi ulnaris
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here do you find the intertendinous connection (juncturae)?
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Btwn extensor digitorum tendons proximal to metacarpophalangeal joints
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What tendons contribute to the extensor mechanism?
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Extensor digitorum
Extensor indicis Extensor digit minimi Interossei Lumbricals |
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Name 4 parts of the extensor mechanism
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Sagittal band
Central slip Lateral bands Terminal tendon |
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What is the role of the sagittal band (extensor mechanism)?
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Maintain alignment of extensor digitorum tendon over head of metacarpal
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What contributes to the central slip? (extensor mechanism)
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Extensor digitorum
Interossei Lumbricals |
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What contribute to the lateral bands?
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Extensor digitorum
Interossei Lumbricals |
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What contributes to the terminal tendon?
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Extensor digitorum
Interossei Lumbricals |
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The posterior interosseous artery is a branch of what which has a parent branch of what?
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Common interosseous artery
Parent: Ulnar artery |
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Where can you find the Posterior interosseous artery and what does it travel with?
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FIND: Btwn Supinator and Abductor Pollicis Longus
TRAVEL WITH: Posterior Interroseus Nerve |
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The Posterior Interosseous Nerve is a DEEP branch of which nerve?
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Radial
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What does the Posterior Interosseous Nerve innervate?
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Extensor digitorum
Extensor digiti minimi Extensor carpi ulnaris Extensor pollicis longus Exntesor indicis Abductor pollicis longus Extensor pollicis brevis |
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What does the radial artery become after passing through the first interosseous space?
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Deep Palmar Arch
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Name 5 branches of the radial artery?
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Dorsal carpal
Dorsal carpal arch 1st dorsal metacarpal 2nd, 3rd, 4th, 5th dorsal metacarpal Dorsal digital |
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Where does the dorsal carpal artery come from?
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Medially off radial artery @ wrist
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What forms the dorsal carpal arch?
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Dorsal carpal atery, dorsal carpal branch of the ulnar artery, small branches of the anterior interosseous
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Where do you find t he 1st dorsal metacarpal artery?
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1st interrosei space
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2nd, 3rd, 4th, and 5th dorsal metacarpal arteries are branches of what?
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Dorsal carpal arch
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What are dorsal digital branches formed?
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There are 2 branches from the dorsal digital arteries
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