In addition, physical training also requires quick and accurate movements; And fast and accurate movements should be completed under the command of the brain. The brain is an advanced part of the central nervous system. In physical training, the brain, spinal cord and peripheral nerves should establish fast and accurate reactions, and the brain should correct wrong movements at any time and store information of fine movements.
After repeated stimulation, people's understanding ability, thinking ability and memory ability have been improved, thus making the brain smarter. Therefore, regular physical exercise can strengthen the function of the nervous system and the working ability of the brain, making it healthier and smarter.
2. Frequent stimulation will thicken myocardial fibers, atrial and ventricular walls, increase the volume of the heart and increase the solubility of blood, thus increasing the strength of the heart. Due to the increase of myocardial strength, the blood injection per stroke increases and the number of heartbeats decreases accordingly. In a relatively quiet state, the heart can rest for a long time, thus reducing the workload of the heart and keeping it young forever.
3. The concept of real physical training is to change the deficiency of one's own body and prevent women's body from aging inevitably with the passage of time after giving birth.
Artistic requirements
Physical exercise requires accuracy, coordination, large amplitude, strong sense of rhythm, beautiful posture and music. Both local exercises and overall exercises should fully reflect the rhythm and feeling of beauty, and fully reflect the artistic requirements of dynamic beauty and static beauty in the process of completing exercises.
The beauty of the human body created by sports lies not only in shaping the body, but also in instilling a cheerful, open-minded, sincere and enterprising spirit into people's hearts through exercise, so that people's actions and gestures are full of beautiful charm, thus truly showing the cultural quality of the human body.
Generally speaking, teenagers who have undergone systematic physical exercise are not only well-proportioned, but also well-behaved, sitting, standing and walking gracefully, which can fully show their youthful vitality. The physical beauty obtained through physical exercise can reflect a person's mental outlook and temperament, and it is a window to show people's inner beauty.
Refer to the above contents: Baidu Encyclopedia-Physical Exercise, Baidu Encyclopedia-Physical Exercise.