Scoliosis is one of the common spinal deformities and considered as lateral curvature of the spine. Scoliosis lead to changes in the synergy between body segments, spinal anatomy, left-right trunk symmetry and cause pathological gait pattern]. Scoliosis is a structural deformity, so it can alter center of mass (COM) position and weight distribution on lower limbs. This suggests that scoliotic patients show the poorer stability rather aged match normal group. It was controversial that scoliosis influences the balance and gait performances