Opponens Hallucis
Opponens may refer to: * Opponens digiti minimi muscle * Opponens pollicis muscle The opponens pollicis is a small, triangular muscle in the hand, which functions to oppose the thumb. It is one of the three thenar muscles. It lies deep to the abductor pollicis brevis and lateral to the flexor pollicis brevis. Structure The op ... {{disambig ...
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Opponens Digiti Minimi Muscle
The opponens digiti minimi (opponens digiti quinti in older texts) 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 hamulus 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. The opponens digiti minimi muscle serves to flex and laterally rotate the 5th metacarpal about the 5th carpometacarpal joint, as when bringing the little finger and thumb into opposition. It is innervated by the deep branch of the ulnar nerve. See also * Hypothenar * Opponens pollicis muscle Additional images Image:Gray426.png, The muscles of the thumb. (Opponens quinti digiti visible at center right.) Image:Musculusopponensdigitiminimi.png, Front o ...
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