What is parkinsonism ?

Its a movement: Disorder often associated with a tremor and postural instability or difficulty initiating movement and demonstrable cogwheel rigidity.Confirmation by neurology is preferable.

Parkinsonism: It is a disorder that affects the way the brain co-ordinates the movements of the muscles in various parts of the body. Main symptoms are usually stiffness, shaking (tremor), and slowness of movement. Symptoms typically become gradually worse over time. Treatment often provides good relief of symptoms for several years. http://patient.info/health/parkinsons-disease-leaflet