thenar muscles


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Related to thenar muscles: Hypothenar muscles

thenar muscles

Anatomy The intrinsic muscles of the thumb: adductor pollicis brevis, adductor pollicis brevis, flexor pollicis brevis, opponens pollicis See Hand, Thumb. Cf Hypothenar muscles.
References in periodicals archive ?
23,24] It has been shown that motor fibers innervating the thenar muscles are relatively protected, compared to motor branches of the lumbrical muscles.
Recovery in thenar muscle function was good, fair and poor in 5, 2 and 10 cases after median nerve repair, while all 12 patients with ulnar nerve lesion showed some degrees of clawing of 4th and 5th fingers.
It enters the palm through the carpal tunnel, gives off the recurrent motor branch to the thenar muscles, and terminates by dividing into three common palmar digital nerves, which then divide into the palmar digital branches.
Equally, there may be visible wasting of the thenar muscles of the hand.
The median nerve also supplies the small thenar muscles located at the base of the thumb.