myology of the wrist

Question 1

what are the 3 main wrist flexors

Answer 1

flexor carpi ulnaris
flexor carpi radialis
palmaris longus

Question 2

flexor carpi ulnaris action

Answer 2

wrist flexion and ulnar deviation

Question 3

flexor carpi ulnaris origin

Answer 3

medial epicondyle of humerus via common flexor tendon, medial border olecranon

Question 4

flexor carpi ulnaris insertion

Answer 4

pisiform, then via ligaments to hook of hamate and 5th metacarpal

Question 5

flexor carpi ulnaris nerve supply

Answer 5

ulnar nerve C7, 8

Question 6

flexor carpi radialis action

Answer 6

wrist flexor and radial deviation

Question 7

flexor carpi radialis origin

Answer 7

medial epicondyle of humerus via common flexor tendon

Question 8

flexor carpi radialis insertion

Answer 8

palmar surface bases of 2nd and 3rd metacarpals

Question 9

flexor carpi radialis nerve supply

Answer 9

median nerve C6,7

Question 10

palmaris longus action

Answer 10

weak wrist flexor

Question 11

palmaris longus origin

Answer 11

medial epicondyle of humerus

Question 12

palmaris longus insertion

Answer 12

flexor retinaculum

Question 13

palmaris longus nerve supply

Answer 13

median nerve C8

Question 14

name the wrist extensors

Answer 14

extensor carpi ulnaris
extensor carpi radialis longus
extensor carpi radialis brevis