First, the hip stretching action essentials:
1. If you can't support the ground with both hands, you can support a fixture with one hand. Don't force yourself.
2. Place the extended leg above the knee joint of the other slightly bent leg.
Second, the thigh forward movement essentials:
1. Stretch the knee joint of the leg perpendicular to the ground as far as possible, and stretch it backwards, feeling the muscles in the front thigh elongate.
2. Support. The legs can be slightly bent.
Key points of abdominal stretching:
Put your hands together, slowly raise your head and feel your abdomen stretched.
Essentials of stretching the back of thigh:
Raise your straight legs as much as possible and pay attention to abdomen.
Also, the ass needs a good exercise. Generally, one leg that needs to be stretched needs to be placed on the joint of the other leg. Note that if you can't lay it flat, you can take things with one hand. Be careful not to press both hands on the ground, so there is no stretching effect. Remember this.