Definition: 'Lead-pipe Rigidity'
lead-pipe rigidityType: Term
1. a type of increased muscle tone due to an extrapyramidal lesion in which pathologic resistance to passive extension of a joint is constant throughout the range of motion. Should be contrasted with clasp-knife spasticity (q.v.).
The definition information for lead-pipe rigidity is provided by Stedman's. You can search our medical dictionary here.