The muscles in the back are complicated and difficult to practice. Pull-ups are a good action for practicing back and core strength, but it is not easy to do pull-ups. If people with insufficient core strength do pull-ups, the lower body is easy to move forward, and the strength is all concentrated on the forearm, which does not stimulate the back much.

So personal advice:

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2. When you feel that your back muscles are congested and stimulate the triceps and deltoid muscles, you can add a set of pull-ups. There is a trick: the lower body is completely relaxed, and the back muscles are clamped when pulling up, and there should be feelings.