Actually, the key is to know the principle. The number of muscle fibers is certain, and the reason why it is strong is that it is useful and discarded. So the principle of fitness is actually to constantly stimulate muscle fibers, destroy them, and then grow again. The process of fitness is actually a process of constantly destroying and rebuilding muscle fibers. Then in order to ensure the effect, we must supply enough nutrients to meet the needs of muscle fiber regeneration. Therefore, oxygen, water, vitamins, protein and so on are all important. Therefore, aerobic exercise should be carried out before muscle training, so that oxygen-enriched blood can fill the whole body, replenish water and vitamins in time, and eat more protein such as egg protein and even protein powder. The quick way is to keep approaching your limit, then recover and practice to the limit, so that the cycle can achieve the effect, such as the commonly used pyramid training method, which has been repeatedly verified. There are many methods, nothing more than making a good training plan according to your actual situation and step by step. Don't worry unless there is a special reason. Go get it. ...