Parkinson's disease is a neurodegenerative disorder that affects movement and can cause a range of symptoms. It occurs when the neurons in the brain that produce dopamine start to die off, leading to a decrease in dopamine levels in the brain. The symptoms of Parkinson's disease Stooped Posture: People with Parkinson's disease may have a tendency to hunch over or develop a stooped posture. Back Rigidity: Back stiffness or rigidity is another common symptom of Parkinson's disease. This can make it difficult to move around freely. Flexed Elbows and Wrists: People with Parkinson's disease may have a tendency to keep their elbows and wrists flexed or bent. Tremors in Legs: Tremors, or uncontrollable shaking, may occur in the legs, especially when the person is at rest. Masked Face: Parkinson's disease can cause a person's face to appear expressionless, with reduced movement in the facial muscles. Forward Tilt of Trunk: A forward tilt of the t