Definitions for "Cogwheel Rigidity"
Stiffness in the muscles, with a jerky quality when arms and legs are repeatedly moved.
type of rigidity in which, when a patient's limb is moved by the examiner, it resists and gives way in small, step-like movements as if it was being controlled by a cog-wheel.
Ratchety response of muscles to passive movement of joints; associated with Parkinson's disease ( Ch. 28).