Test specific motor groups Have patient actively resist your attempts to flex or extend across specific joints. Impaired strength is called weakness or plegia . Cerebellar Rapid rhythmic alternating movements of hands. Have patient pat his thighs, turn hands over and back or touch each finger with thumb of same hand as rapidly as possible. In cerebellar disease, one movement can not be followed by the opposite movements.
Movements are slow, irregular, and clumsy.
Point to point testing. Have patient alternately touch tip of his nose and tip of your index finger as you reposition your hand to different places in front of the patient. Rapid rhythmic alternating movements of the feet. Have patient tap your hand with ball of each foot in turn as rapidly as possible. With the patient supine, ask him to run the heel of one foot down the shin of their other leg from the knee to the big toe.