lities profiles-1993 National TOPs testing. Technique”, 14(8), 15-20.
30.Sands, W. A., & McNeal, J. R. (2000). “Enhancing flexibility in gymnastics. Technique”, 20(5), 6-9
31.Sands, W. A., Salmela, J. H., Holvoet, P., & Gateva, M. (2001). “The Science of Gymnastics”.
32.”Take The U.S. Olympic 5-Ring Challenge، proud sponsor of the US Olympic team”. http://www.24hourfitness.com.
33.Tihanyi j. (1967) “Relationship Of Selection Maturational Determinants To Competitive Swimming”. University Of Oregon Microform Publication.