Saleh, Ayad. 2016. “Comparative Study of Some Biomechanical Variables of Handspring Artistic Performance Phases (front Handspring Followed by a Summersault and Arabian Summersault) on the Vault For Advance Artistic Gymnastics For Men”. Journal of Physical Education 28 (4.1): 289-307. https://doi.org/10.37359/JOPE.V28(4.1)2016.446.