study between different types of tatami on the occurrence of injuries and the performance of falling and some throwing skills from the top in judo sport

            The research aims to identification of the aim of this research is to identify a Comparative study between different types of tatami on the occurrence of injuries and the performance of falling and some throwing skills from the top in judo sport. And the researcher used the experimental curricula because of fitting it for aims and hypotheses of the research and this by using the experimental design for three groups two experimental and the other is control and by the measurements (pre and post) for each group and the size of sample was (36) learner and were divided in to three groups size of each (12learner) The size of the Exploratory study (12) learner for the age groupof (11-15) years, and the research is applicated through the time period 29/12/2018 to 23/2/2019. As the researcher based on the means and tools that work on achievement of the research and the results referred to superiority of the first experimental group that used in Alternative tatami and no injuries and proceeding of further studies and similar researches to the nature of the Current search.