group (A) had designed physical therapy in addition to virtual reality

group (B) had the same physical therapy program with whole-body vibration

Group (A) had designed physical therapy in form of Warm up with gentle stretching movements to prevent injuries. The lower limb muscles on both sides were stretched for 20 seconds, followed by 20 seconds of relaxation, five times. The quadriceps, hamstrings, anterior tibial group, calf muscles, biceps, and triceps were also contracted isometrically. Every muscle contraction was held for 5 seconds, followed by 5 seconds of relaxation, and the process was repeated five times in addition to virtual reality inform of VR program. Nintendo Wii Fit Balance Board (Nintendo, Kyoto, Japan) was used to perform the exercises. In each session, VR was used for a total of 10 minutes three times per week for three consecutive months.

Biodex Balance System (BBS) (BSS; Biodex, Inc, Shirley, NY) was used to evaluate each child's dynamic balance. It is a multiaxial tool that records and evaluates a person's capacity to maintain joint stability under dynamic stress. The BBS uses a circular platform that can move concurrently in the anterior-posterior and medial-lateral axes, unlike force plate technologies.

The Lafayette Manual Muscle Tester (MMT) Model Number 01163 combines accuracy and precision with contemporary ergonomic design to generate exact, impartial, and reliable results. The three replaceable, cushioned stirrups made it possible to employ established methods with assurance and effectiveness while preserving patient comfort