Wednesday, 30 August 2017

Adduction of hand at wrist | PGI Nov 2017 Preparations MCQ


Adduction of hand at wrist is done by 

A. Flexor carpi radialis 
B. Flexor carpi longus 
C. Flexor digitorum profundus 
D. Extensor carpi ulnaris 
E. Flexor digitorum superficialis


Ans. D. Extensor carpi ulnaris :
• Adduction of wrist is done by
—  Flexor Carpi ulnaris.
— Extensor Carpi ulnaris.

* Flexor digitorum superficialis is main flexor of proximal interphaangeal joints : while flexor digitorium profundus is flexor of distal IP joints and main gripping muscle of hand,
• Abductors of hand at wrist joint are :
(i) Flexor carpi radialis,
(ii) the extensor carpiradial is longus and brevis, and
(u) abductor pollicis longus and the ext pollicis brevis