Certain Fitness Elements and its Relation to the Professional Performance of the Libro Volley Ball

( ) ( ) .The aim of the research is to know the level of certain fitness elements and the professional level of the libro and to know also the relation between these elements and the professional performance of a libro . the sample 6 libro players at the teams of (Sulaymanlya, tikreet, Diyala, Duhok, Mosul, Erbil) universities playing in Northen Universities league. The researcher used a number of physical and professional tests to obtain the results dealt calculatedly a using Mathematical standard, standard deviation and simple conjunction factor to find a moral link between the elements of fitness like (speed , burst strength, flexibility and elegance) and the professional performance of a libro player in volley ball.