解剖学的階層

一般解剖学 > 筋;筋系 > 上肢の筋 > 筋 > 小指対立筋

翻訳

説明

Origin: Hook of hamate and flexor retinaculum

Insertion: Medial border of 5th metacarpal

Artery: Ulnar artery

Nerve: Deep branch of ulnar nerve (C8 andT1)

Action: Draws 5th metacarpal anteriorly and rotates it, bringing little finger (5th digit) into opposition with thumb

Description:
The Opponens digiti minimi is of a triangular form, and placed immediately beneath the preceding muscles. It arises from the convexity of the hamulus of the hamate bone, and 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.


This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).

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