The effect of some exercises using extra weight in developing the special power oflegs and some biomechanic variables and achieving long jump for the players of specialized school for thr eges (10-12)years old

	The effect of some exercises using extra weight in developing the special power oflegs and some biomechanic variables and achieving long jump for the players of specialized school for thr eges (10-12)years old
Modern Sport journal
Article 1, Volume 14, Issue 1, 2015, Pages 13-24
Abstract
Abstrcat The progress in the kinetic technique and great development in various areas of Physical Education and various sciences such as training and sports science of physiology, psychology and others led to progress the sports and achieve high achievements as though the evolution of those science impact and directly on the development of systems and vital organs of the athlete according to the intensity of training loads, which is a crucial element the possibility of the occurrence of evolution and adaptation in the exact physical and functional capabilities of the individual athlete for that to be an accurate account of the amount of the athletic abilities and Minasabha of training according to the severity of the practitioner activity The research aims 1. to prepare special exercises using different weights added to the development of strength and some Albayumkanikih variables and the completion of the long jump for the research sample 2. to identify the effect of exercise on the use of weights added to the development of private power and the long jump for the completion of the research sample. 3. Identify the effect of exercise on the use of weights added to the development of some Albayumkanikih variables and the long jump for the completion of the research sample

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