Wrist Ulnar Deviation

Question 1

Flexor carpi ulnaris

Answer 1

O: humeral head - medial epicondyle via common flexor tendon.
Ulnar head - medial border of olecranon and upper two-thirds of border of ulna.

I: pisiform, hook of hamate and base of fifth metacarpal

D:

A:flexes and adducts wrist

N: ulnar nerve (C7 - T1)

Question 2

Extensor carpi ulnaris

Answer 2

O: lateral epicondyle via common extensor tendon

I: medial side of fifth metacarpal base

D:

A: extends and adducts wrist

N: posterior interosseous nerve (C7,8)