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Hand
Hand muscles
| Question | Answer |
|---|---|
| Flexor Digitorum Superficialis orgin | Common Flexor tendon, coronoid process, and radius |
| Flexor Digitorum Superficialis insert | Sides of the middle phalanx of th four fingers |
| Flexor Digitorum Action | Flexes the MCP and PIP joints of the fingers |
| Flexor digitorum nerve | Median nerve (C7,C8,T1) |
| Flexor digitorum profundus orgin | upper three fourths of the ulna |
| Flexor digitorum profundus insertion | distal phalanx of the four phalanges |
| Flexor digitorum profundus action | flexes all three joints of the fingers |
| Flexor digitorum profundus nerve | median and ulnar nerves (C8, T1) |
| Extensor digitorum muscle orgin | lateral epicondyle of the humerus |
| extensor digitorum muscle insertion | base of disal phalanx of the second throught fifth fingers |
| extensor digitorum muscle action | extends all three joints of the fingers |
| extensor digitorum muscle nerve | radial nerve (c6, c7, c8) |
| Extensor indicis muscle orgin | Distal ulna |
| extensor indicis muscle insertion | base of distal phalanx of the second finger |
| extensor indicis action | extends all three joints of the second finger |
| extensor indicis muscle nerve | radial nerve (c6, c7, c8) |
| extensor digiti minimi muscle | lateral epicondyle of humerus |
| extensor digiti minimi insertion | base of distal phalanx fifth finger |
| extensor digiti minimi action | extends all three joints of fifth finger |
| extensor digiti minimi nerve | radial nerve (c6, c7, c8) |
| flexor pollicis longus muscle orgin | radius, anterior surface |
| flexor pollicis longus muscle insertion | distal phalanx of thumb |
| flexor pollicis longus muscle action | flexes all three joints of the thumb |
| flexor pollicis longus muscle nerve | median nerve (c8, t1) |
| abductor pollicis longus orgin | posterior radius, interosseous membrane, middle ulna |
| abductor pollicis longus muscle insertion | base of the first metacarpal |
| abductor pollicis longus muscle action | abducts thumb |
| abductor pollicis longus muscle nerve | radial nerve |
| extensor pollicis brevis muscle orgin | posterior distal radius |
| extensor pollicis brevis muscle insertion | base of the proximal phalanx of thumb |
| extensor pollicis longus muscle orgin | middle posterior ulna and interosseous membrane |
| extensor pollicis longus muscle insertion | base of distal phalanx of thumb |
| extensor pollicis longus muscle action | extends all three joints of the thumb |
| extensor pollicis longus muscle nerve | radial nerve (c6, c7, c8) |
| flexor pollicis brevis muscle orgin | trapezium and flexor retinaculum |
| flexor pollicis brevis muscle insertion | proximal phalanx |
| flexor pollicis brevis muscle nerve | median nerve (c6, c7) |
| abductor pollicis brevis muscle orgin | scaphoid, trapezium and flexor retinaculum |
| abductor pollicis brevis muscle insertion | proximal phalanx |
| abductor prollicis brevis muscle action | abducts the thumb (CMC joint) |
| abductor pollicis brevis muscle nerve | median nerve (c6, c7) |
| opponens pollicis muscle orgin | trapezium and flexor retinaculum |
| opponens pollicis muscle insertion | first metacarpal |
| opponens pollicis muscle action | opposes the thumb (CMC joint) |
| opponens pollicis muscle nerve | median nerve (c6, c7) |
| abductor pollicis muscle orgin | capitate, base of the second metacarpal, palmar surface of the third metacarpal |
| flexor digiti minimi muscle | hamate and flexor retinaculum |
| flexor digiti minimi muscle insertion | base of proximal phalancx 5th finger |
| flexor digiti minimi muscle action | flexes cmc and mcp joints of the fifth finger |
| flexor digiti minimi muscle nerve | ulnar nerve (c8, t1) |
| abductor digiti minimi muscle orgin | pisiform and tendon of flexor carpi ulnaris |
| abductor digiti minimi muscle insertion | proximal phalanx of fifth finger |
| abductor digiti minimi muscle action | abducts the mcp joint of the fifth finger |
| abductor digiti minimi muscle nerve | ulnar nerve (c8, t1) |
| opponens digiti minimi muscle orgin | hamate and flexor retinaculum |
| opponens digiti minimi muscle insertion | opposes the fifth finger (cmc joint) |
| oponens digiti minimi muscle nerve | ulnar nerve (c8, t1) |
| doral interossei | adjacent metacarpals |
| dorsal interossei insertion | base of proximal phalanx |
| dorsal interossei action | abduct fingers at mcp joint |
| dorsal interossei nerve | ulnar nerve c8, t1 |
| palmar interossei muscles orgin | respective metacarpal |
| palmar interossei muscle insertion | base of respective proximal phalanx |
| palmar interossei muscle action | abduct fingers at mcp joint |
| palmar interossei muscles nerve | ulnar nerve c8, t1 |
| lumbrical muscle orgin | tendon of the flexor digitorum profundus muscle |
| lumbrical muscle insertion | tendon of the extensor digitorum |
| lumbrical muscle action | flesex the mcp joint while extendig the pip and dip joints |
| lumbrical muscles nerve | first and second lumbricales: median nervethird and fourth lumbricales: ulnar verve (c6, c7, c8) |
| grasps | power grip, cylindrical grip, precision grip, cylindrical grip variaion, spherical grip, pinch grip, hook grip, three-jaw chuck grip,pad to side grip and lumbrical grip, side to side grip |
Created by:
donald_dino
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