Not bad. However, it is recommended to use online resources. I recommend some reference books on muscle bodybuilding training charts, which are very important. After reading this, you can make your own plan. You can look at the secret ultra-high intensity training method of gaining 30 pounds in 42 days. Coach lanyu makes men have "king" abdominal muscles. This is plastic, and the threshold is relatively low. These can be found online.

There are also some videos that are very effective.

Abdominal ripper

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You can search for videos online.