解剖学的階層

一般解剖学 > 筋;筋系 > 上肢の筋 > 筋 > 短母指外転筋

翻訳

説明

Origin: Transverse carpal ligament, the scaphoid and trapezium

Insertion: Radial base of proximal phalanx of thumb and the thumb extensors

Nerve: Median nerve

Action: Abduction of thumb

Antagonist: Adductor pollicis muscle

Description:
The Abductor pollicis brevis (Abductor pollicis) is a thin, flat muscle, placed immediately beneath the integument. It arises from the transverse carpal ligament, the tuberosity of the navicular, and the ridge of the greater multangular, frequently by two distinct slips. Running lateralward and downward, it is inserted by a thin, flat tendon into the radial side of the base of the first phalanx of the thumb and the capsule of the metacarpophalangeal articulation.


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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