The relationship between power and some biomechanical variables and the speed of the shuttlecock's launch in the high serve skill in badminton

Abstract

Tennis is one of the games directly influenced by physical preparation as a basis for developing skill skills after applying various conditions associated with skill performance, whether technical or mechanical, and in accordance with the rules of the game. The performance of tennis skills is influenced by the accompanying biomechanical conditions, which reflect the ideal and correct reality for applying these skills according to the motor situation. It can be said that the application of these skills is influenced by specific factors that are directly related to each other. The first of these factors is final mechanical ability, which means (the use of force and speed simultaneously), in addition to the rest of the biomechanical variables.   The importance of the research lies in the focus on the acceleration caused by force to the body or a part of the body during the motor application of the tennis backhand skill. The researcher adopted the descriptive approach with the pattern of studying the interrelationships of correlational studies. The research sample consisted of (11) players representing the players of the Assyrian Sports Club in tennis and they were chosen intentionally. The researcher reached the results: There are some biomechanical variables that had a significant correlation with the mechanical ability variable, which are the knee angle, the moment of preparation to perform the straight serve skill, the angular velocity of the arm, the angular velocity of the arm, the launch variables (angle, speed, height of the launch point) gave weak correlations with the mechanical ability. The researcher also recommended: the necessity of emphasizing the development of the mechanical capacity of the leg muscles due to their importance in achieving the correct mechanical conditions for performing the backhand skill, ensuring the integration of the preparatory position and within the correct mechanical conditions due to their importance in the integration of performance and fluidity in the main section.