opponens digiti minimi

 

 

OPPONENS DIGITI MINIMI :

opponens digiti minimi

opponens digiti minimi

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 hamate bone and the contiguous portion of
the transverse carpal ligament.

 

it is inserted into the whole length of the metacarpal bone of the little finger,
along its ulnar margin.

 

 

 

opponens digiti minimi

opponens digiti minimi

ORIGIN : Hook of hamate and flexor retinaculum

 

INSERTION : medial surface of 5th metacarpal

 

NERVE SUPPLY : deep branch of ulnar nerve

 

ACTION/EXERCISE : draws 5th metacarpal anteriorly and rotate it, bringing litter finger
into opposition with thumb

 

opponens digiti minimi

opponens digiti miniminens digiti minimi

BLOOD SUPPLY : ulnar artery