The 17th National Games is the city's primary and secondary school sports meeting, which aims to promote physical exercise and exercise. Pupils should actively participate.
Physical exercise has many benefits for primary school students. Play table tennis to prevent myopia. Playing table tennis can prevent myopia. When playing table tennis, your eyes must keep a close eye on the fast ball that shuttles back and forth, flickering, approaching and far away, and rotating, so as to make the eyeball move continuously, enhance blood circulation, improve the function of the eye meridians, thus eliminating or alleviating eye fatigue and preventing myopia. Bouncing exercises can strengthen the brain and improve intelligence. Exercise is the healthiest brain, because exercise can promote all kinds of neurotic vitality in the brain and make the brain's thinking and reaction more active and agile. At the same time, exercise can improve heart function, speed up blood circulation, and make the brain enjoy more oxygen and nutrition. All aerobic fitness exercises have the function of strengthening the brain, especially bouncing exercise, which can supply enough energy to the brain and is the best, such as skipping rope, kicking keys, jumping rubber bands and dancing. This is a brain-strengthening prescription for primary and middle school students by scientists at the University of Tokyo in Japan, which is worth recommending. "Stand at attention" training to shape excellent legs. "Stand at attention" training is very effective in correcting teenagers' O-legs and X-legs, which has been confirmed by physical education teaching practice. The specific method is to "keep your whole body in a normal attention posture, and lift your abdomen, stand with your legs together and try to be straight." People with O-legs should put their feet together and try to get together. If necessary, you can tie a rubber band with suitable elasticity on your knees to increase its internal support. For people with X legs, the knees should be close together and the heels should be tilted inward as much as possible. If necessary, you can tie a rubber band with suitable elasticity at the ankles of your feet to increase the power of leaning inward. Do it several times a day for more than 20 minutes each time. The frequency can also be increased or decreased according to different people, but the duration of each time shall not be less than 15 minutes.