View of Senior man and women, a Parkinson Disease patients, standing, in two lines, in water and competing. - stock photo

View of Senior man and women, a Parkinson Disease patients, standing, in two lines, in water and competing. Each line has to backwards hand over a foam element to each other. One is blinded and has near a young lady as assistant help. two more therapist are in water helping the patients. This is one of treatment methods to improve the condition of Parkinson disease patients and slow down its advancement.