Effect of Whole Body Vibration Versus Core Stability Exercises on Balance and Muscle Strength in Children With Down Syndrome

"* Standing with feet together while the therapist was sitting behind and manually locking the child knees.~* Step standing with the therapist behind the child.~* High step standing and trying to keep balanced. The child stood on exercise mattress.~* Single leg stance unilateral standing with assistance. The child was standing on exercise mattress.~* Standing on a declined surface by using wedge. The child was standing on wedge towards the descending direction.~* Standing with manual locking of the knees.~* Changing position.~* Gait training.~* Static and dynamic muscle contraction."