2. After muscle exercise, the whole and local thighs must be relaxed and stretched within 10 ~ 15 minutes.
3. Tennis strength training is different from professional fitness strength training. Fitness strength training requires slow entry and slow exit, mainly for muscle circumference and line practice. Tennis strength training requires slow decline and fast rise, mainly aimed at muscle burst.
4. Gradually increase the load, make the body adapt to and avoid sports injuries, and constantly adjust the type, weight and intensity of training load to achieve excessive recovery.
5. The unified training of physical training and personal characteristics is one of the important symbols of the scientific training process of athletes, and it is also an extremely important link to improve the overall sports level of athletes as soon as possible.
6. Balance principle of prime mover muscle strength and antagonistic muscle strength and balance principle of contralateral muscle group.
7. Pay attention to the coordinated development of large muscle group strength and small muscle group strength.
8. The effect of enhancing muscle strength is directly related to the selected training method. Before training, the range of joint motion and muscle strength of the training site should be evaluated, and the training method should be selected according to the evaluation results.