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Definition: 'Intrinsic Muscles Of Hand'

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intrinsic muscles of hand

Type: Term

Definitions:
1. muscles fully contained (origin, belly, and insertion) within the hand (palm and fingers); the intrinsic hand muscles are arranged in layers that are divided into radial (thenar), central (palmar), and ulnar (hypothenar) muscles; they act on the carpometacarpal, metacarpophalangeal, and interphalangeal joints directly or via the extensor apparati; most thenar intrinsic muscles are innervated by the median nerve; all other intrinsic hand muscles are innervated by the ulnar nerve.



The information shown above for intrinsic muscles of hand is provided by Stedman's.

* Stedman's, part of Lippincott Williams & Wilkins, provide a comprehensive line of health-science publications for healthcare professionals and medical students.

Stedman's Medical Dictionary. Copyright © 2006 Lippincott Williams & Wilkins. All rights reserved.








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