Do push-ups (raise the foot pad to make the body at 45 degrees and slowly reach the position) or face forward, put your hands back on the chair or sofa, and bend your arms with your feet flat on the chair; Doing bench press with dumbbells (heavy or barbell) can effectively practice pectoralis major.

Each group does the limit. Remember not to do it every day, but every other day. Every time you do anaerobic exercise, you should destroy your muscle tissue as much as possible, and then use enough time and nutrition to repair the damaged muscle tissue and let it grow. To put it bluntly, muscles grow out at rest after anaerobic exercise.

Only scientific fitness can have perfect muscles. (Changyang Xiaohua is original, don't copy it, don't be anonymous, the plagiarist is shameless! )