1, the former means that the human body may lack exercise at ordinary times and the body may not adapt for a while. Lactic acid produced by exercise stays in the body, which makes people feel muscle ache.
2. If it is sore, you can choose the amount of exercise for the next day according to the degree of soreness. Because equipment practice is dangerous, don't force yourself. You can rest until the pain is relieved, and then resume training. Generally, the sore lasts for about 10 days at most, and the body will not feel pain when it adapts. If you have a feeling of swelling, this feeling will generally not affect your play. Therefore, you should continue to train.