hand - all Flashcards
wrist flexors
- flexor carpi ulnaris
- flexor carpi radialis
- palmaris longus
- flexor digitorum superficialis
- flexor digitorum profundus
- flexor pollicis longus
wrist extensors
- extensor carpi ulnaris
- extensor carpi radialis longus
- extensor carpi radialis brevis
- extensor digitorum
- extensor indicis
- extensor digiti minimi
- extensor pollicis longus
- extensor pollicis brevis
ulna deviation (adductors)
- flexor carpi ulnaris
- extensor carpi ulnaris
radial deviation (abductors)
- flexor carpi radialis
- extensor carpi radialis longus
- extensor carpi radialis longus
finger flexors
- flexor digitorum superficialis
- flexor digitorum profundus
thumb flexors
- flexor pollicis longus
- flexor pollicis brevis
finger extensors
- extensor digitorum
- extensor indicis
- extensor digiti minimi
intrinsic muscles
- interossei
- lumbricals
- oppenens digiti minimi
- adductor pollicis
- abductor digiti minimi
- abductor pollicis brevis
flexor carpi radialis
1) origin
2) insertion
3) action
1) medial epicondyle of humerous
2) base of 2nd & 3rd metacarpals
3) flexor and abducts (radially deviates)
flexor carpi ulnaris
1) origin
2) insertion
3) action
1) medial epicondyle of humerous, olecranon and posterior surface of ulna
2) pisiform, hamate and base of fifflecth metacarpal
3) flexes and adducts
flexor digitorum superficialis
1) origin
2) insertion
3) action
1) medial epicondyle of humerous, coronoid process of ulna and shaft of radius
2) by 4 tendons into middle phalanges of fingers 2-5
3) flexes hand and middle phalanges of fingers 2-5
flexor digitorum profundus
1) origin
2) insertion
3) action
1) anteriomedial surface of ulna & interosseous membrane
2) by 4 tendons into distal phalanges of fingers 2-5
3) flexes distal interphalangeal joints
flexor pollicis longus
1) origin
2) insertion
3) action
1) anterior surface of radius & interosseous membrane
2) distal phalanx of thumb
3) flexes distal phalanx of thumb
extensor carpi radialis brevis
1) origin
2) insertion
3) action
1) lateral supracondylar ridge of humerous
2) base of second metacarpal
3) extends and abducts hand
extensor carpi radialis brevis
1) origin
2) insertion
3) action
1) lateral epicondyle of humerous
2) base of third metacarpal
3) extends and abducts hand
extensor digitorum
1) origin
2) insertion
3) action
1) lateral epicondyle of humerous
2) by 4 tendons to distal phalanges of fingers 2-5
3) extends and abducts hand
extensor carpi ulnaris
1) origin
2) insertion
3) action
1) lateral epicondyle of humerous and posterior border of ulna
2) base of 5th metacarpal
3) extends & adducts hand
adductor pollicis longus
1) origin
2) insertion
3) action
1) posterior surface of radius and ulna & interosseous membrane
2) base of 1st metacarpal and trapezium
3) abducts & extends thumb
extensor pollicis brevis
1) origin
2) insertion
3) action
1) dosral shaft of radius and ulna & interosseous membrane
2) base of proximal and distal phalanx of thumb
3) extends thumb
extensor indicis
1) origin
2) insertion
3) action
1) posterior surface of distal ulna & interosseous membrane
2) joins tendon of extensor digitorum
3) extends index finger
opponens pollicis
1) location
2) action
1) metacarpal 1
2) opposition
abductor pollicis brevis
1) location
2) action
1) in thumb
2) abducts thumb
flexor pollics brevis
1) location
2) action
1) in thumb
2) flexes thumb
adductor pollicis
1) location
2) action
1) in thumb
2) adducts & opposes thumb
oppenes digiti minimi
1) location
2) action
1) metacarpal 5
2) assists opposition
abductor digiti minimi
1) location
2) action
1) proximal phalanx of little finger
2) abducts little finger
flexor digiti minimi
1) location
2) action
1) proximal phalanx of little finger
2) flexes little finger
lumbricals
1) location
2) action
1) in each finger
2) flex metacarpophalangeal joints and extends interphalangeal joint
palmar interossei
1) location
2) action
1) in space between metacarpals
2) adducts fingers
dorsal interossei
1) location
2) action
1) in space between metacarpals
2) abducts finger
extensor digti minimi
tendon attach to little finger to extend it
