Interaction Effects of Vitamin D Supplementation and Aerobic Exercises on Balance and Physical Performance in Children With Down Syndrome

"Aerobic exercises:~Children in groups B and C will receive aerobic exercises in the form of bicycle ergometer and treadmill training for 15 min 3 days/week for 12 weeks. The procedure and goals of exercise will be explained to all children before starting the exercise program. The child will stop exercising immediately if he feels pain, fainting or shortness of breath.~Vitamin D supplementation:~Children in group C only will receive vitamin D supplementation in the form of an oral daily dose of vitamin D3 1000 IU (Cholecalciferol) for 12 weeks."