First, understand why breathing is important. Exercise consumes too much oxygen, and regular breathing can effectively reduce sports injuries. Exercise breathing should be mainly our abdominal breathing. The purpose is core stability, that is, waist and abdomen stability. Can effectively help us to play our strength. When you hold your breath, you can increase abdominal pressure and stabilize the core. Use more when you are heavier. If you like fitness and want to be a coach, you can go to 567 go to learn professional knowledge.