Effects of Unilateral, Bilateral and Combined Resistance Training on the Speed and Accuracy of the Serve in Youth Tennis Players

Strength,Power,Flexibility,Coordination,Serve speed,Serve accuracy

This study is to explore the effects of unilateral, bilateral and combined resistance
 training on the serve speed and accuracy of amateur youth tennis players in China. The
 subjects were young male tennis players aged 16-20 years from four universities in Gansu
 Province.
 
 The experiment was divided into control group (CG), experiment group 1 (EG1-unilateral
 group), experiment group 2 (EG2-bilateral group) and experiment group 3 (EG3-combined group).
 Used to compare the effects of different forms of resistance training on serve speed and
 accuracy. Previous studies have shown that unilateral and bilateral resistance training can
 effectively improve strength, power, and speed in athletes (Speirs, et al., 2016; Davo,
 Jimenez, & Solana,. , 2018), there is still controversy when comparing the advantages and
 disadvantages of two forms of resistance training (Ramirez-Campillo et al., 2015; Donab and
 Wall. The results of this study will be expected to be updated in 2022. Unilateral resistance
 training, bilateral resistance training, and combined unilateral and bilateral resistance
 training were used as intervention models in this study.
 
 Based on the literature review, the training frequency of this experiment was arranged as 2
 times/week, and the total training time was 6 weeks, with a fixed duration of each training
 session. Each training session lasted a maximum of 60 minutes. In this experiment, the
 interval between the two weekly training sessions was at least 24 h to prevent subjects from
 being in a fatigued state in the relevant muscle groups of the body and affecting the
 experimental level.