Vigorous exercises are those that are explosive, large, frequent, and confrontational, allowing the cardiorespiratory function to bear more load. The normal post-exercise heart rate of more than 120 beats per minute is called vigorous exercise. Most of the anaerobic exercises are strenuous exercises, such as running, playing ball, high volume equipment fitness and so on. In addition, strenuous exercise is also related to physical fitness, often exercise people’s heart and lung function is very well developed, exercise when the heart rate can not exceed 120 times, and not sweating, breathing smoothly; on the contrary, if the lack of exercise, do 10 push-ups on the dripping, shortness of breath, heart rate of more than 140 times / min, even if strenuous exercise. Do not rest immediately after strenuous exercise, you can do some simple, not strenuous exercise, etc., such as physical recovery can be hydrated.