As the disease progresses, walking may be affected. Or patients may walk with a series of quick, small steps as if hurrying forward to keep balance. This is known as festination. Resting tremor, bradykinesia, and rigidity are relatively early signs of Parkinson's disease. It is often apparent in the first-affected extremity.
Postural instability is a late symptom typically emerging ten or more years into the disease.
Decreased facial expression, monotonous speech and decreased eye blinking. A shuffling gait with poor arm swing and stooped posture. Abnormal tone or stiffness in the trunk and extremities. Swallowing problems in later stages. A variety of gastrointestinal symptoms, mainly constipation.