torsion spasm
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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.
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