2. Sitting posture, with one end fixed, can do leg flexion and extension training.
3. Prone or standing with one end fixed, you can do leg bending training.
4. Lie on your back, grab the tension belt with both hands and kick training.
5. Lie prone, grab the tension belt with your hands and do kicking training.
6. You can also use tension bands to increase strength when squatting.
If you hurt your knee, you need to train your whole leg. Your hips, thighs and calves must be combined with stretching for muscle strength training. It is best to find a sports rehabilitation teacher to diagnose face to face and guide the training.