There are some ligaments at work at this angle, and the use and characteristics of ligaments at that angle are different. Therefore, when doing static exercise, the knee joint should change from different angles, which is the squat of ligament movement.
Demonstration mode of common mistakes in squatting against the wall
First, put your hands above your thighs. Second, arch your back and lean forward. If you think the patella and ligaments on the front side of your knee joint are hard, you will get effective exercise. Exercise from three angles is also suitable for the pain of ordinary people.
The above exercise methods are simple, but they are all very tired. This kind of exercise should be done by young adults and people injured after exercise, which can improve the quality of leg ligaments, knees and muscles.
Refer to the above? Baidu encyclopedia-sticking to the wall