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10 Cards in this Set
- Front
- Back
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Supinator |
O: lateral epicondyle of humerus and ridge near radial notch of ulna I: lateral surface of proximal one third of radius A: supinates forearm at radioulnar joint |
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Extensor carpi radialis longus |
O: lateral supracondylar ridge of humerus I: metacarpal II A: extends and abducts hand at wrist joint |
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Extensor carpi radialis brevis (short) |
O: lateral epicondyle of humerus I: metacarpal III A: extends and abducts hand at wrist joint |
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Extensor digitorum |
O: lateral epicondyle of humerus I: distal and middle phalanges of each finger A: extends distal and middle phalanges of each finger at interphalangeal joints, proximal phalanx of each finger at metacarpophalangeal joint, and hand at wrist joint |
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Extensor digiti minimi |
O: lateral epicondyle of humerus I: tendon of extensor digitorum on phalanx 5 A: extends proximal phalanx of little finger at metacarpophalangeal joint and hand at wrist joint |
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Extensor carpi ulnaris |
O: lateral epicondyle of humerus and posterior border of ulna I: metacarpal V A: extends and adducts hand at wrist joint |
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Abductor pollicis longus |
O: posterior surface of middle of radius and ulna and interosseous membrane I: metacarpal I A: abducts and extends thumb at carpimetacarpal joint and abducts hand at wrist joint |
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Extensor pollicis brevis |
O: posterior surface of middle of radius and interosseous membrane I: base of proximal phalanx of thumb A: extends proximal phalanx of thumb at metacarpophalangeal joint, first metacarpal of thumb at carpometacarpal joint, and hand at wrist joint |
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Extensor pollicis longus |
O: posterior surface of middle of ulna and interosseous membrane I: base of distal phalanx of thumb A: extends distal phalanx of thumb at interphalangeal joint, extends first metacarpal of thumb at carpometacarpal joint, and abducts hand at wrist joint |
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Extensor indicis |
O: posterior surface of ulna and interosseous membrane I: tendon of extensor digitorum of index finger A: extends distal and middle phalanges of index finger at interphalangeal joints, proximal phalanx of index finger at metacarpophalangeal joint, and hand at wrist joint |
