Wrist MMT

Question 1

Muscles involved in wrist flexion

Answer 1

flexor carpi Ulnaris, flexor carpi radialis

Question 2

flexor Carpi radialis OII

Answer 2

Origin: medial epicondyle of the humerus
insertion: base of 2nd metacarpaI
innervation: median nerve

Question 3

isolate flexor carpi radialis in wrist flexion

Answer 3

Wrist in radial deviation, flex wrist up towards ceiling leading with the thumb

Question 4

isolate flexor Carpi Ulnaris during wrist flexion

Answer 4

wrist in ulnar deviation, flex wrist up towards ceiling leading with pinky

Question 5

Compensation for wrist flexion

Answer 5

flexing fingers allows FDP and FDS Substitute

Question 6

Muscles involved in wrist extension

Answer 6

extensor carpi radialis longus, extensor carpi radialis brevis, extensor carpi ulnaris

Question 7

extensor carpi radialis brevis OII

Answer 7

Origin: lateral epicondyle of humerus
insertion dorsal aspect of base of 3rd metacarpal
innervation: radial nerve

Question 8

isolate ECRB & ECRL during wrist extension

Answer 8

patient brings wrist up toward ceiling leading with their thumb, resistance applied downward into neutral

Question 9

isolate ECU during wrist extension

Answer 9

patient brings wrist up towards ceiling, leading with pinky, resistance applied downward into neutral

Question 10

compensation of wrist extension

Answer 10

extending fingers allows finger extensors to assist movement