1, 15 afternoon, 17 afternoon is the best time to exercise muscles. Because during this period, people have the strongest physical strength and physical adaptability, stable heart rate and blood pressure, and strong coordination and balance. It is best to do all kinds of exercise after lunch and two hours before dinner, so that hypoglycemia will not occur because of fasting exercise, and various digestive tract symptoms will not occur because of full exercise. You can exercise abdominal muscles through sit-ups, chest muscles through dumbbells, thigh muscles through squats, and muscles through running.

2, morning time: when the human body is engaged in strenuous exercise, the sympathetic nerve can be excited. This rapid change will cause a series of changes in the body, which will affect the mental state all day and be harmful to health. In addition, during this period, blood sugar is at a low level, and exercise consumes a lot of blood sugar, which easily leads to hypoglycemia. Afternoon and afternoon sports are influenced by objective factors such as work, work and housework.

3. It is most beneficial to exercise at night. The reason is that people's physical exertion or physical adaptability is best in the afternoon or near dusk. At this time, people's senses such as taste, vision and hearing are the most sensitive, and their whole body coordination ability is the strongest, especially their heart rate and blood pressure are relatively stable, which is most suitable for exercise.

If you are not engaged in a special occupation, as a person with a normal daily life, you should not exercise frequently at first, because after a night of digestion, your body has gone out of a low-energy state, and even if you eat something in the morning, you can't reach the best state immediately. Therefore, the best time to exercise muscles in a day should be in the afternoon or near dusk. The best time for teenagers to exercise their muscles. Teenagers are the best time to exercise muscles regularly. Teenagers' exercise time can generally be arranged in afternoon extracurricular activities, that is, around 4-5 pm. Because the muscle function of the body is in the best state during this period, it not only helps to improve the load capacity and exercise ability of muscles, but also inhibits the intellectual center through exercise to achieve the purpose of resting the brain.