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K Hand
OIAN
| Term | Definition |
|---|---|
| flexor digitorum superficialis O | common flexor tendon, coronoid process & radius |
| flexor digitorum superficialis I | sides of the middle phalanax of the 4 fingers |
| flexor digitorum superficialis A | flexes MCP and PIP joints of the fingers |
| flexor digitorum superficialis N | median nerve |
| flexor digitorum profundus O | upper 3/4 of ulna |
| flexor digitorum profundus I | distal phalanx of the 4 fingers |
| flexor digitorum profundus A | flexes all 3 jts of the fingers |
| flexor digitorum profundus N | median & ulnar nerve |
| extensor digitorum O | lateral epicondyle of the humerus |
| extensor digitorum I | base of distal phalanx of the 2nd - 5th fingers |
| extensor digitorum A | extends all 3 jts of the fingers |
| extensor digitorum N | radial nerve |
| extensor digiti minimi O | lateral epicondyle of the humerus |
| extensor digiti minimi I | base of distal phalanx of 5th finger |
| extensor digiti minimi A | extends all 3 jts of 5th finger |
| extensor digiti minimi N | radial |
| extensor indicis O | distal ulna |
| extensor indicis I | base of distal phalanx of 2nd finger |
| extensor indicis A | extends all 3 jts of 2nd finger |
| extensor indicis N | radial |
| flexor pollicis longus O | radius, anterior surface |
| flexor pollicis longus I | distal phalanx of thumb |
| flexor pollicis longus A | flexes all jts of the thumb (CMC, MCP, IP) |
| flexor pollicis longus N | median nerve |
| abductor pollicis longus O | posterior radius, interosseous membrane, middle ulna |
| abductor pollicis longus I | base of the 1st metacarpal |
| abductor pollicis longus A | abducts thumb (CMC jt) |
| abductor pollicis longus N | radial nerve |
| extensor pollicis brevis O | posterior distal radius |
| extensor pollicis brevis I | base of the proximal phalanx of thumb |
| extensor pollicis brevis A | extends CMC and MCP jts of thumb |
| extensor pollicis brevis N | radial nerve |
| extensor pollicis longus O | middle posterior ulna & interosseous membrane |
| extensor pollicis longus I | base of distal phalanx of thumb |
| extensor pollicis longus A | extends CMC, MCP & IP jts of the thumb |
| extensor pollicis longus N | radial nerve |
| flexor pollicis brevis O | trapezium & flexor retinaculum |
| flexor pollicis brevis I | proximal phalanx |
| flexor pollicis brevis A | flexes CMC & MCP jts of thumb |
| flexor pollicis brevis N | median nerve |
| abductor pollicis brevis O | scaphoid, trapezium, & flexor retinaculum |
| abductor pollicis brevis I | proximal phalanx |
| abductor pollicis brevis A | abducts the thumb (CMC jt) |
| abductor pollicis brevis N | median nerve |
| opponens pollicis O | trapezium & flexor retinaculum |
| opponens pollicis I | 1st metacarpal |
| opponens pollicis A | opposes the thumb (CMC jt) |
| opponens pollicis N | median nerve |
| adductor pollicis O | capitate, base of the 2nd metacarpal, palmar surface of the 3rd metacarpal |
| adductor pollicis I | base of proximal phalanx of thumb |
| adductor pollicis A | adducts thumb (CMC jt) |
| adductor pollicis N | ulnar nerve |
| flexor digiti minimi O | hamate and flexor retinaculum |
| flexor digiti minimi I | base of proximal phalanx of the 5th finger |
| flexor digiti minimi A | flexes CMC & MCP jts of 5th finger |
| flexor digiti minimi N | ulnar nerve |
| abductor digiti minimi O | pisiform & tendon of flexor carpi ulnaris |
| abductor digiti minimi I | proximal phalanx of 5th finger |
| abductor digiti minimi A | abducts MCP jt of the 5th finger |
| abductor digiti minimi N | ulnar nerve |
| opponens digiti minimi O | hamate & flexor retinaculum |
| opponens digiti minimi I | 5th metacarpal |
| opponens digiti minimi A | opposes the 5th finger (CMC jt) |
| opponens digiti minimi N | ulnar nerve |
| palmar interossei O | 1st, 2nd, 4th & 5th metacarpals |
| palmar interossei I | base of respective proximal phalanx |
| palmar interossei A | adduction of fingers at MCP jt |
| palmar interossei N | ulnar nerve |
| dorsal interossei O | 2 adjacent metacarpals |
| dorsal interossei I | base of the proximal phalanx |
| dorsal interossei A | abduction of fingers at MCP jt |
| dorsal interossei N | ulnar nerve |
| lumbricales O | tendon of the flexor digitorum profundus mm |
| lumbricales I | tendon of the extensor digitorum mm |
| lumbricales A | flex the MCP jt while extending the PIP & DIP jt |
| lumbricales N | 1st & 2nd lumbricales: medial nerve / 3rd & 4th lumbricales: ulnar nerve |