Which muscle causes adduction of wrist joint?: (A) Flexor carpi radialis, (B) Flexor carpi ulnaris, (C) Flexor pollicis longus, (D) Flexor digitorum profundus
Answer is B. Flexor carpi ulnaris Humeral head Ulnar head origin Medial epicondyle of humerus Medial aspect of olecranon process and posterior border of ulna inseion Pisiform bone , inseion prolonged to hook of hamate and base of fifth metacarpal bone nerve supply Ulnar nerve Actions Flexes and adducts the hand at the wrist. Reference page no 107,108- BD chauriasia- upper limb & thorax