Precautionary measures for the exercise: Before the exercise, preparations must be made to prevent injuries. Relaxation must be carried out after exercise, so as to ensure the recovery of physical fatigue as soon as possible and improve the level of exercise. Exercise can enhance the function of the heart, the lung capacity will increase, the heart will become strong, the blood supply will become sufficient, and the body will become healthy.
(1) Note 1: Don't eat for 50 minutes before and after exercise. You can add some water appropriately. The indoor temperature should be kept at about 20 degrees, and no strong wind can blow directly to the practitioners. Indoor light is suitable, neither too bright nor too dark. To reduce the difficulty for the first time, the heart rate should be controlled at 60- 100 beats/min. If allowed, people with chronic physical diseases should be accompanied by private teachers or family members. Women with no exercise history and menstrual dysmenorrhea should not practice. It is best to take a bath after a 30-minute break, especially in summer, which is easy to get heatstroke. Note 1: Don't do anything before and 50 minutes after exercise. You can add some water properly, and keep the indoor temperature around 20 degrees. Don't blow hard. Indoor lighting is suitable, not bright or dark. For the first exercise, it is necessary to reduce the difficulty and control the heat treatment to 60- 100 beats. peoplewithchronophysicaldisessshouldbeaccompaniedbyprivatutor sorfamilymembersif permitted。 Don't do exercise during menstruation, it is best to rest within 30 minutes after exercise, especially in summer heatstroke.
(2) Note 2: Studies by British physiologists Anna Voss and John Harding show that eating sweets on an empty stomach will damage the body's absorption of various protein. They often put all kinds of protein in solutions with high sugar content, so they will find that sugar will slowly combine with protein, which will change the molecular structure of protein and reduce the nutritional value of protein.
Note 2: British physiologist Sannafirthandjohnhardinghaveshownthattatingsweetsonaneptytomachildama's absorption of various protein. They often use protein solution with high sugar content, so they will find that sugar will slowly combine with protein, which will change the molecular structure of protein and reduce the nutritional value of protein.
2. Famous sayings about sports
(1) It is a complete fact that the world is moving.
It is a complete fact that the world has lost its movement.
(2) Growth is the only proof of life.
Growthistheonlyproofoflife。
(3) The whole nature, from the smallest thing to the largest thing, from sand grains to the sun, from protozoa to human beings, is in the process of eternal emergence and extinction, in constant flow, in endless movement and change.
The whole nature, from the smallest thing to the largest thing, from mountains to the sun, from protectionists to human beings, is constantly upgrading, constantly flowing, constantly moving and changing.