Aerobic, anaerobic and mixed exercise are the main forms of exercise. In order to prevent influenza and exercise in a comprehensive way, the type of exercise should be selected with medical approval, participation, interest, and the mobilization of larger muscle groups.
Youth sports mainly focus on aerobic exercise and stretching flexibility, which can not only improve immunity, but also promote the healthy growth of teenagers; Middle aged people mainly do aerobic exercise; Middle aged people are the system of premature aging. According to the anatomical and physiological characteristics of the elderly, the elderly are suitable for aerobic endurance exercise.
Exercise time refers to the duration of each exercise, which is an indispensable factor in the amount of exercise. Too little exercise can not achieve the due exercise effect. Excessive exercise will exceed the body’s bearing capacity, cause fatigue accumulation and damage health.