| acromyotonia | |
noun | |
| myotonia of the extremities only; causes spastic deformity of the hand or foot |
acromyotonia ac·ro·my·o·to·ni·a (āk'rō-mī'ō-tō'nē-ə) or ac·ro·my·ot·o·nus (-mī-ŏt'n-əs)
n.
Myotonia affecting only the extremities, resulting in spasmodic deformity of the hand or foot.