The effect of special preventive exercises on the development of some physical abilities of the arms for tennis players for ages (12-14) years

الملخص

One of the most important duties of sports medicine is to identify conditions that have a negative impact on health and how to avoid them to take advantage of the positive effects of sports , and the role of the doctor or therapist responsible for his team appears in researching and treating various functional, anatomical and pathological developments and changes in the body as a result of playing tennis , and the importance of research lies through the researcher's use of exercises for flexibility and strengthening of the joints and muscles of the arms for the purpose of prevention and reduction of injuries as much as possible, to avoid the player away from training and competitions For long periods of treatment and physical rehabilitation, as the preventive aspect of injuries must occupy a great importance for any person responsible for preparing and training players. The researcher reviewed previous studies and research and found that its focus on injuries to players without focusing on the prevention of injuries, and the study aimed to find out the impact of special preventive exercises in the development of some physical abilities , and the existence of statistically significant differences between the results of the pre- and post-tests in some physical abilities , the research community, represented by the players of the Jadriyah Tennis Academy in Baghdad for the junior category aged (12-14) years, numbering (20) players representing the research community, while the research sample amounted to (12) Players were selected in a deliberate way and they are the most committed players to exercises, (4) players were excluded from them for participating in the exploratory experiment to reach the number of the final sample (8) players from the research community, and the most important conclusions are that the muscle stretching exercises that were used in the research were effective in increasing the strength of the muscles working on the joints, which led to an increase in the strength and speed of muscle contraction. Preventive exercises have positively affected the development of muscle strength and improve the range of motion of the joints of the arms, and the most important recommendations are the need to use special preventive exercises prepared by the researcher to prevent injuries to the arms of tennis players, due to the frequent exposure of these joints to injury and recurrence

The researcher recommended:

1.Continuous development of the effectiveness of performance through training for each player because of its importance in scoring points and achieving victory.

2.Follow up the statistical form by a coach after the match and work to develop the team and players through the results of the form variables .

3.Urging all coaches to follow up the statistical form at each match and know the levels of performance and weaknesses to work on developing them.

4.Activating the statistical form by the Federation through the work of special courses that explain the importance of this form and its effective role in changing the level of basketball sports teams.