It can improve the flexibility of joints, improve the function of soft tissues around joints and the extensibility of muscles, ligaments and tendons. When people lack physical exercise and their physical fitness declines, many of them start with the decline in flexibility.
The better a person's flexibility, the greater the range of motion of his joints and the stronger the flexibility of his joints. Flexibility is closely related to health, and the improvement of flexibility plays a positive role in enhancing the coordination ability of the body, giving full play to the qualities such as strength and speed, improving skills and techniques, and preventing sports injuries. ?
Flexibility of sitting posture is to test the possible range of motion of joints such as trunk, waist and hip when students are at rest, which mainly reflects the extensibility and elasticity of joints, ligaments and muscles in these parts, as well as the development level of students' physical flexibility.
Extended data:
"Sitting forward" is a project to test the extensibility, elasticity and flexibility of joints, ligaments and muscles such as trunk, waist and buttocks. If the tester can't reach the toes, it is usually evaluated as "poor physical flexibility".
Recently, Japanese sports coach Hideyoshi Nakano told the media that the project can only explain the muscle stiffness of the buttocks and the back of the thighs, and does not mean that the whole body is not flexible. He also introduced four movements, which can measure the flexibility of four main muscles and help stretch purposefully.
1. hamstring muscle: hamstring muscle is located at the back of thigh. When testing, lie flat on the mat, bend your knees, lift one leg upward, and keep your toes hooked. If the thigh can be perpendicular to the ground, it means that the hamstring muscle at the back of the thigh is quite flexible.
2. Quadriceps femoris: The quadriceps femoris is located in the front of the thigh and is one of the largest and most powerful muscles in the human body. Lie on the mat, keep a straight line from your toes to your head, bend your knees and lift one leg. If you can hook your ankle with the same hand, the quadriceps femoris is flexible enough.
3. Hip muscles: Sit cross-legged on the mat, lift one leg with two arms and lift it to the chest position. If you can easily keep your back straight, your hip muscles are very flexible.
4. adductor muscle group: adductor muscle is located in the inner thigh. To test its flexibility, sit on the mat, straighten your back and spread your legs 90 degrees forward.
Baidu encyclopedia-sit forward
People's Network-Four Actions Measure Flexibility