The effectiveness of special exercises using an assistive device on reaction speed, shoulder joint angle, and learning the skills of serving and forehand stroke in tennis for students

Objective: Prepare special exercises to develop exercises using an assistive device to develop reaction speed, shoulder joint angle, and students' ability to perform the serve and forehand stroke in tennis, and identify the effect of exercises using an assistive device on developing reaction speed, shoulder joint angle, and students' ability to perform the serve and forehand stroke in tennis. Research methodology: The researcher relied on the experimental approach, given its compatibility with the nature of the research used a two-group design, an experimental and a control group, with a pre-test and a post-test, the research community consisted of 95 third-year students at the Islamic University. Thirty students were selected as the research sample, constituting 31.57% of the total research community. Results: The results) showed significant differences between the pre- and post-tests. The results were in favor of the post-tests. The control group, which received instruction using the traditional method adopted by the subject teacher, showed limited development in the study variables (such as reaction speed, serve accuracy, and forehand strike). Conclusions: The exercises using the assistive device demonstrated a clear positive effect on developing students' reaction speed compared to the control group, which used the traditional method, and the exercises contributed to improving shoulder joint mobility in terms of angle and range of motion, which was reflected in the quality of skill performance.