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Why should Wushu emphasize chest hugging and back pulling?
In fact, there is a dynamic posture and a range of changes, which is not fixed. Therefore, it has a basic posture as the starting basis of change, which is a natural posture with a chest and a back. According to some predecessors' discussion in related literature, this natural state of holding the chest and pulling the back is to maintain a posture of natural relaxation of the chest and back that best meets the needs of human physiological activities. When people naturally relax and stand, the thoracic spine has a slightly convex physiological curvature, which, together with other radians of the spine, shoulders important physiological tasks such as buffering the ground impact and protecting the central nervous system, so that the back muscles are relaxed, that is, people who stand naturally assume a basic backward posture; In the anatomical structure of the human body, there is a slightly forward angle between the connecting line of the midline on both sides of the body and the connecting line from the midline of the neck to the midpoint of the lateral shoulder, that is, the direction of the shoulders is slightly tilted forward, or the shoulders are slightly wrapped forward, so a triangular recess appears under the clavicle, which means that a person presents a basic chest-containing posture when standing naturally. For people who have no bad posture habits, they will feel that there is no pressure on their chest and back in this posture. In fact, at this time, the capacity of the human chest is the largest. Therefore, the basic chest-hugging and back-pulling formed by natural relaxation is undoubtedly beneficial to human health, the whole body's qi and blood operation and the calm of feet.