Physical exercise is based on the theory of human body science. Through various physical exercises, it can improve health, strengthen physique, shape body, train manners, improve self-cultivation and cultivate sentiment. It is a purposeful, planned and organized educational process and the foundation of all sports.
Physical exercise is a stimulus to the body from the external environment. This kind of stimulation has the characteristics of continuity, coordination, rapidity and intensity, which makes the muscles in motion. Regular physical exercise can improve nerve activity accordingly. Physical training requires quick and accurate movements, which must be completed under the command of the brain.
Physical training can be divided into broad sense and narrow sense. In a broad sense, it refers to the training of body movements, while in a narrow sense, it refers to the training of body beauty.
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