acromyotonia

[ăk′rō-mī′ō-tōnē-ə]

n.

Myotonia affecting only the extremities, resulting in spasmodic deformity of the hand or foot.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.