Clasp-knife rigidity –>
clasp-knife spasticity
initial increased resistance to stretch of the extensor muscles of a joint that give way rather suddenly allowing the joint then to be easily flexed; the rigidity is due to an exaggeration of the stretch reflex.
See: lengthening reaction.
Synonym: clasp-knife effect, clasp-knife rigidity.
Clasp-knife rigidity –> clasp-knife spasticity initial increased resistance to stretch of the extensor muscles of a joint that give way rather suddenly allowing the joint then to be easily flexed; the rigidity is due to an exaggeration of the stretch reflex. See: lengthening reaction. Synonym: clasp-knife effect, clasp-knife rigidity...
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