"The effect of plyometric exercises for legs inside the aquatic medium on each other Physical variables and digital level of 100m hurdles"

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Assistant Professor, Department of Track and Field Training - Faculty of Sports Sciences - Helwan University.

Abstract

        The research aimed to develop a training program using plyometric exercises for the two legs inside the water medium and to know its impact on the special physical abilities (muscular ability of the two legs on the vertical axis and horizontal axis, transitional speed, flexibility of the trunk and thigh) and the digital level of the contestants 100 m hurdles, and the researcher used the experimental approach on a sample of (9) contestants (100 m) hurdles team Taibah University, and Ansar Club in Medina - Saudi Arabia, and research tools:  Physical tests - measuring the digital level in the javelin throw - plyometric exercises program for the two men inside the water medium, and the most important statistical methods: arithmetic mean - standard deviation - median - torsion coefficient - simple correlation coefficient - test "T" - percentage improvement.                                             
Among the most important results:
  1- The plyometric exercises of the two men inside the aquatic medium have a positive impact on the physical abilities of the 100-meter hurdles competitors in the athletics team at Taibah University in Madinah.                
  2- The plyometric exercises of the two men inside the aquatic medium have a positive impact on the digital level of the 100-meter hurdles competitors in the athletics team at Taibah University in Madinah.                                        
  3- The existence of a rate of change in the dimensional measurement of the tribal members of the basic research sample in the special physical abilities ranged between (7.66% - 44.14%).                                                                  
  4- The existence of a rate of change in the distance measurement from the tribal members of the basic research sample in the digital level of the 100 m hurdles contestants amounted to (2.74%).                                                        Keywords:
Free swimming - breathing patterns in swimming - length and frequency of arm pulls in swimming - achievement in swimming.                         
 

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