The aim of the research is to identify the effect of the use of TRX training on some of the physical and digital variables of dolphin swimmers. The researcher used the experimental method in the method of pre measurement of the two groups, one experimental and the other an officer in order to suit the nature of the research and to achieve its objectives and mandates.
The research sample
The sample of the research included the swimmers under the age of (14) years in Tanta Governorate and registered with the Egyptian Swimming Federation during the 2016/2017 sports season.