Wrist Muscles

Question 1

Flexor Carpi Ulnaris

Answer 1

O: Medial epicondyle of humerus
I: Pisiform and base of fifth metacarpal
A: Wrist flexion, ulnar deviation
N: Ulnar n. C8, T1

Question 2

Flexor Carpi Radialis

Answer 2

O: Medial epicondyle of the humerus
I: base of second and third metacarpals
A: wrist flexion, radial deviation
N: median n. C6, C7

Question 3

Palmaris Longus

Answer 3

O: Medial epicondyle of humerus
I: Palmar aponeurosis
A: Assistive in wrist flexion
N: Median n. C6, C7

Question 4

Extensor Carpi Radialis Longus

Answer 4

O: Supracondylar ridge of humerus
I: Base of second metacarpal
A: Wrist extension, radial deviation
N: Radial n. C6, C7

Question 5

Extensor Carpi Radialis Brevis

Answer 5

O: Lateral epicondyle of humerus
I: Base of third metacarpal
A: Wrist extension
N: Radial n. C6, C7

Question 6

Extensor Carpi Ulnaris

Answer 6

O: Lateral epicondyle of humerus
I: Base of fifth metacarpal
A: Wrist extension, ulnar deviation
N: Radial n. C6-C8