Give you a better training plan. Practice your shoulders one day, your back one day, your arms one day, and your chest one day. Then rest for two or three days. Do the cycle again. Pile up and practice together, or practice only one thing every day. It is easy to get hurt when practicing, and it is easy to have muscle lumps, that is, dead muscles. Dead muscle is a muscle that lacks tension, stretching ability, or is very weak. So it is much more reasonable and scientific to share it like this.

For example, you can see that many farmers are extremely muscular, one by one, but extremely stiff. That's because they only do one action for a long time, and this kind of muscle is ugly.