Download MUSCLES OF THE WRIST JOINT, HAND AND FINGERS

MUSCLES OF THE WRIST JOINT, HAND AND FINGERS
Muscle
Origin
Insertion
Function
Flexor digitorum
sublimis
(superficial)
- medial epicondyle,
- anterior, proximal
radius and ulnar
side of middle
phalanges of fingers
(tendons split into 2)
flex fingers
flex wrist
flex elbow
Flexor carpi radialis
Medial epicondyle
base of palmar
surface of
metacarpals 2 and 3
flex wrist
flex forearm
abducts wrist
Flexor carpi ulnaris
medial epicondyle
base of palmar
surface of metacarpal
5
flex wrist
flex forearm
adducts wrist
Flexor digitorum
profundus
(deep)
anterior, proximal
2/3 of ulna
palmar surface of
distal phalanges
flex fingers
flex wrist
Extensor digitorum
communis
lateral epicondyle
base of middle and
distal phalanx of
fingers
extend fingers
extend wrist
extend elbow
Extensor carpi
radialis
lateral epicondyle
base of dorsal surface
of metacarpals 2 and
3
extend wrist
extend forearm
abducts hand
Extensor carpi
ulnaris
- lateral epicondyle
- posterior, proximal
ulna
5th metacarpal
extends wrist
adducts hand
Flexor pollicis
longus
anterior middle
radius
(and interosseus
membrane)
palmar surface of
distal thumb
flex thumb
flex wrist
Extensor pollicis
longus
posterior ulna
palmar surface of
distal thumb
extends thumb
extends wrist