torsion spasm


dys·to·ni·a

(dis-tō'nē-ă) A state of abnormal (either hypo- or hyper-) tonicity in any tissue, particularly skeletal muscle.
Synonym(s): torsion spasm. [dys- + G. tonos, tension]

torsion spasm

A spasm characterized by a turning of a part, esp. the turning of the body at the pelvis.See also: spasm