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11 Cards in this Set
- Front
- Back
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Brachioradialis
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O: lateral supracondylar ridge of humerus
I: styloid process of radius N: radial A: flexion of elbow in the neutral position |
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Extensor Carpi Radialis Longus
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O: lateral supracondylar ridge of the humerus
Common extensor tendon on the lateral epicondyle of the humerus I: base of the 2nd metacarpal N: radial A: extension and abduction of the wrist |
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Extensor Carpi Radialis Brevis
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O: common extensor tendon on the lateral epicondyle of the humerus
I: base of the 3rd metacarpal N: radial – deep branch A: extension of the wrist |
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Extensor Digitorum
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O: common extensor tendon on the lateral epicondyle of the humerus
I: extensor expansion to digits II-V N: radial – posterior interosseous branch A: extension of phalanges at the metacarpophalangeal joints |
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Extensor Digiti Minimi
(Detached slip of the extensor digitorum) |
O: common extensor tendon on the lateral epicondyle of the humerus
I: extension expansion to digit V N: radial – posterior interosseous branch A: extension of the 5th finger |
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Extensor Carpi Ulnaris
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O: common extensor tendon on the lateral epicondyle of the humerus
Dorsal border of the ulna I: base of the 5th metacarpal N: radial – posterior interosseous branch A: extension and adduction of the wrist |
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Supinator
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O: lateral epicondyle of the humerus
Radial collateral and annular ligaments and supinator crest I: dorsal-lateral surface of the proximal 1/3 of shaft of the radius N: radial – deep branch A: supination of forearm |
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Abductor Pollicis Longus
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O: Dorsal surface of the shafts of the ulna and radius and the interosseous membrane
I: radial side – base of the 1st metacarpal N: radial – posterior interosseous branch A: abduct thumb at the carpometacarpal joint and extension of thumb (CMC joint) |
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Extensor Pollicis Brevis
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O: body of the radius on the dorsal surface and the interosseous membrane
I: base of the proximal phalanx of the thumb N: radial – posterior interosseous branch A: extension of the 1st phalanx of the thumb |
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Extensor Pollicis Longus
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O: dorsal surface of the shaft of the ulna and the interosseous membrane
I: base of the distal phalanx of the thumb on the dorsal surface N: radial – posterior interosseous branch A: extension of the distal phalanx of the thumb, and (by continued action) abduction of hand |
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Extensor Indicis
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O: dorsal surface of the shaft of the ulna and the interosseous membrane
I: ulnar side of the extensor expansion to the index finger at the level of the base of the 2nd metacarpal, proximal phalanx N: radial – posterior interosseous branch A: extension of the index finger |
