The Effect of Plyometric Training Programs (Leg Explosive Strength) on Improving Service Speed and Forehand Speed in Teenage Tennis Players (Aged 15-20 Years)
Keywords:
Plyometrics, Tennis, Service Speed, Forehand Speed, Leg PowerAbstract
Background This study was motivated by the understanding that leg explosive power is a crucial component for generating hitting power in modern tennis. Research Objectives The aim of this study was to investigate the effect of an 8-week leg plyometric training program on improving serve and forehand speed in junior tennis players. Metods The research methodology used a quasi-experimental design with a pre-test post-test control group. Thirty junior tennis players (aged 15-20 years) were randomly divided into two groups: the Experimental Group (EG, n=15), which received regular tennis training plus plyometric training three times a week, and the Control Group (CG, n=15), which only underwent regular tennis training. Service and forehand speed (km/h) were measured using a radar gun before and after the intervention. Data analysis used the Independent T-test to compare the gain values between the two groups. Results The results showed a highly significant difference (p < 0.01). The average increase (gain) in serve speed in the Experimental Group reached 7.7 km/h, far exceeding that of the Control Group, which was only 0.7 km/h. A similar pattern was seen in forehand speed, where the EG experienced an increase of 6.3 km/h, while the CG only experienced an increase of 0.5 km/h. Conclusion In conclusion, the lower limb plyometric training program proved to be a highly effective intervention method for significantly improving serve and forehand speed in junior tennis players.
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