Table 2 Experiment content and schedule table.
Group | Part I | Part II | Part III | ||
|---|---|---|---|---|---|
Preparation activity (10 min) | Experiment content (20 min) | Single technical (40 min) | Combination technical (40 min) | Stretching and relaxation (10 min) | |
ExG | Jogging and stretching (10 min) | JR + SPA (20 min) | Hit the straight ball with the forehand | Forehand hit straight ball and backhand hit diagonal ball | Stretching and relaxation exercises |
Hit a straight ball with a backhand | |||||
ConG | SPA (20 min) | Hit the diagonal ball with the forehand | Forehand straight oblique ball and backhand straight ball | ||
Hit the diagonal ball with the backhand | |||||
