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13 Cards in this Set
- Front
- Back
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Brachioradialis
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P~~proximal 2/3 of lateral supracondylar ridge of humerus and lateral intermusclular septum D~~lateral surface of distal end of radius I~~Radial nerve (C5,6,7) *even though it is a flexor* A~~Flexes the forearm
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Extensor Carpi Radialis Longus
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P~~Dist third of the lateral supracondylar ridge of humerus, lateral intermuscular septum D~~Dorsum of the base of the second metacarpal bone I~~Radial nerve (C6, 7) A~~Extends and abducts the hand
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Triceps Brachii
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P~~Long head: infraglenoid tubercle of scapula; Lat head: posterior surface of humerus, superior to the radial groove; Med head: posterior surface of humerus, inferior to radial groove D~~Proximal end of the olecranon and deep fascia of forearm I~~Radial nerve (C6,7,8) A~~Extends forearm; long head aids in extension and adduction of shoulder
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Anconeus
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P~~Posterior aspect of lateral epicondyle of humerus D~~lateral surface of olecranon and superior part of posterior surface of ulna I~~Radial nerve (C6,7,8) A~~Abducts ulna during pronation of forearm; assists tricep with extension of forearm
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Supinator
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P~~Lateral epicondyle of humerus; radial collateral ligament, annular ligament, supinator fossa and crest of ulna D~~lateral, posterior and anterior surfaces of the proximal third of the neck and the body of the radius I~~Deep branch of radial nerve (C5,6) A~~Supinates forearm
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Extensor Carpi Radialis Brevis
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P~~lateral epicondyle of humerus, radial collateral ligament of elbow D~~dorsal surface of the base of the third metacarpal bone I~~Deep branch of radial nerve (C7,8) A~~Extends and abducts the hand
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Extensor digitorum
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P~~lateral epicondyle of the humerus and intermuscular septa D~~extensor expansions of the fingers I~~posterior interosseous nerve (C7,8) *branch of radial A~~extends the fingers
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Extensor digiti minimi
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P~~lateral epicondyle of humerus D~~extensor expansions of the little finger I~~posterior interosseous nerve (C7,8) *branch of radial A~~extends the little finger at the MCP and PIP joints
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Extensor carpi ulnaris
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P~~lateral epicondyle of humerus, posterior border of ulna D~~base of 5th metacarpal bone I~~posterior interosseous nerve (C7,8) *branch of radial A~~extends and adducts hand
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Abductor pollicis longus
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P~~posterior surfaces of the ulna and radius and interosseous membrane D~~base of the first metacarpal bone I~~ posterior interosseous nerve (C7,8) *branch of radial A~~abducts and extend the thumb
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Extensor pollicis brevis
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P~~posterior surface of the radius and interosseous membrane D~~Base of the proximal phalanx of the thumb I~~posterior interosseous nerve (C7,8) *branch of radial A~~extends the thumb at the carpometacarpal and metacarpophalangeal joints
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Extensor pollicis longus
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P~~posterior surface of the middle third of the ulna and interosseous membrane D~~base of the distal phalanx of the thumb I~~posterior interosseous nerve (C7,8) *branch of radial A~~extends the MCP and interphalangeal joint of thumb
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Extensor indicis
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P~~posterior surface of the ulna and interosseous membrane D~~extensor expansion of the index finger I~~posterior interosseous nerve (C7,8) *branch of radial A~~helps to extend index finger; assists in extending the wrist
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