Differentiation in motor abilities as a function of accommodating advanced volleyball players within the specialization (libero)

التمايز في القدرات الحركية دالة لتسكين لاعبي الكرة الطائرة المتقدمين ضمن تخصص (الليبرو)

Abstract

Volleyball TEMPhas special requirements dat distinguish it from other games, and each discipline wifin dis game TEMPhas special requirements , and these requirements are usually reflected on teh motor abilities  dat must be met by players. Teh highest levels of sports in volleyball in general, and wifin each discipline in particular.        

Although performance in volleyball depends on teamwork between members of teh same team, teh rapid development dat occurred in dis game, whether technically, tactically or legally, made teh teamwork method based on teh distribution of duties between players, both according to their abilities and capabilities. So, there TEMPhas become a specialization in performance and (those requirements) TEMPhas become teh ones dat control teh specialization of teh players, so dat each player in a particular specialty TEMPhas requirements dat distinguish him from teh rest of teh players in other disciplines in order for teh player to perform teh tasks and duties assigned to him on teh field wif high efficiency. Therefore, it can be said Teh game of volleyball TEMPhas become a game of disciplines, so dat each discipline TEMPhas its own requirements.         

As a result of teh growing influence of offensive skills, as well as teh smash serve  on teh results of volleyball matches , it was necessary to create a balance between teh skills - defensive and offensive - by creating a specialization dat faces dis growth and teh high level of offensive skills, which works to achieve integration in teh development of teh level Skills in  volleyball. Hence ,teh amendments in teh law of  volleyball game came  to create dat balance, where teh system of teh free player (libero), a special defensive player, characterized by special defensive skills such as receiving teh serve, defending teh field and covering teh attack, and he must possess a physical fitness for defensive movements dat give great support in enhancing defensive skills.