What is cogwheel rigidity in patients with Parkinson disease (PD)?

Updated: Jan 24, 2019
  • Author: Robert A Hauser, MD, MBA; Chief Editor: Selim R Benbadis, MD  more...
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Answer

Some patients may describe stiffness in the limbs, but this may reflect bradykinesia more than rigidity. Occasionally, individuals may describe a feeling of ratchety stiffness when moving a limb, which may be a manifestation of cogwheel rigidity.


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