ABDUCTOR POLLICIS BREVIS :
The abductor pollicis brevis is a muscle in the hand that functions as an abductor of the thumb.
ORIGIN :transverse carpal ligament and scaphoid and trapazium
INSERTION : radial base of proximal phalanx of thumb and thumb extensors
NERVE SUPPLY : recurrent branch of median nerve
ACTION/EXERCISE : abduction of thumb by acting across the carpometacatpal jointand metacarpophalangeal joint.
it is also assest opposition and extension of the thumb.
extensor pollisis bravis is the part of anatomical snuff box. it is the lateral boundries of the anatomical snuff. this extensor pollisis bravis is the parellar to the adductor pollisis longus tendeon at the anatomical snuff bnox level. ORIGIN : radius and interosseous membrane INSERTION : thumb and proximal phalanx NERVE…
OPPONENS DIGITI MINIMI MUSCLE : The opponens digiti minimi is a muscle in the hand.It is of a triangular form, and placed immediately beneath the palmaris brevis, abductor digiti minimi and flexor digiti minimi brevis. It is one of the three hypothenar muscles that control the little finger. It arises from the convexity of the…
EXTENSOR CARPI ULNARIS MUSCLE : In human anatomy, the extensor carpi ulnaris is a skeletal muscle located on the ulnar side of the forearm. Muscle action is to extend and Ulnar Deviation at the wrist from anatomical position. Extensor carpi ulnaris is on the posterior side of the forearm. ORIGIN : Lateral epicondyle of humerus…
PALMARIS BREVIS MUSCLE : Palmaris brevis is a thin quadrilateral muscle. it’s placed beneath the integument of the ulnar side of the hand. it is act to fold the skin of the hypothenar eminance transversally. ORIGIN : flexor retinaculum and palmar apponeurosis INSERTION : palm NERVE SUPPLY : superficial branch of ulnar nerve ACTION/EXERCISE :…