Stages | Characteristics |
---|---|
Stage-I | Signs and symptoms on one side only; tremor of the limb; minute changes in posture, locomotion, and facial expression. |
Stage-II | Symptoms are both sides; minimal disability; posture and gait affected |
Stage-III | Slowing of body movements; early impairment of equilibrium on walking or sliding; generalized dysfunctions. |
Stage-IV | Severe symptoms; can still walk to a limited extent; rigidity and bradykinesia; unable to live alone; tremor may be less than in earlier stage. |
Stage-V | Cachectic stage; invalidism complete; cannot stand or walk; requires constant nursing care. |