Inclusion Criteria:  Cobb angle greater or equal to 15 degree Cleared for physical activity by doctor  Exclusion Criteria:  Cobb angle greater or equal to 40 degree, or Scoliosis with any known etiology, scoliosis with skeletal dysplasia, know endocrine and connective tissue abnormalities, or Known heart condition or other diseases that could affect the safety of exercise, or Eating disorders or GI malabsorption disorders, or Currently taking medication that affects bone or muscle metabolism