1, pain means that muscles are growing, because muscle fibers will be stimulated by exercise, but there is actually a small injury, which will be bigger when it grows up.

2, so practicing muscles is to grow constantly in the process of soreness, disappear and then exercise, and then get sore. If you don't feel pain the next day after practice, it means that you are not in place at all and your muscles will not grow.

Related extensions:

Muscle aches, which is normal. Muscle has accumulated a lot of lactic acid, so it hurts.

It is suggested to practice step by step, such as taking a hot bath and running, to promote blood circulation and eliminate lactic acid accumulation.