The study aims to expound some biomechanical variables of backwards flip and landing on (uneven bars ) and expounding video framing on some of those variables . The subject sample consisted of (4) students from the college of physical education whom were deliberately selected and homogenized according to body mass . physical age and training experience ( they have practiced gymnastic ... https://parisnaturalfoodes.shop/product-category/duo-absolut-arnica/