The researcher used the  descriptive approach, following the  survey method, due to its relevance to  the nature of this research. Second: Research community and  sample: Description of the research  population and sample: The research community  represents all gymnasts players under  (9) years old who are registered in the  records of the Egyptian Gymnastics  Federation for the sports season  2018/2019, players from Cairo  Governorate. (45) players as a sample  for the application of the basic study,  and (15) players as a sample for the survey study