When using elastic belt, you need to pay attention to the following points:

1. Choose a suitable elastic belt, and the elastic belt should not be stretched more than 3 times its natural length, so as to avoid elastic belt fracture;

2. When pulling elastic belt, the ventilation frequency should not be too high, and don't hold your breath when exerting force, so as not to raise your blood pressure;

3. Choose a suitable elastic belt according to personal physical condition and sports needs;

4. Pay attention to balanced exercise, otherwise it will lead to muscle strain and unbalanced development.