A method for sensing balance in a person including the steps of: positioning the person on an unstable surface of support; having the person perform a preinstructed task; and detecting the person's performance of the task. An apparatus for sensing balance in a person, the apparatus including a platform dimensioned to receive a person in supported relation thereon; and a member for supporting the platform for movement along a course under the impetuous of a person supported on the platform whereby the balance of the person can be sensed.