myoedema

[mī′ō-ĭ-dēmə]
n.
  1. Localized contraction of a degenerating muscle, occurring at the point of a sharp blow.idiomuscular contraction mounding
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.