Respuestas al mensaje #112,756

Yes, its why you have grunts in stuff like tennis too.

Exhaling is proven to make you hit harder i believe, the more tension you have in your body the less effective you can throw your arms.

It's 100% a thing, it's why tennis players do it too.

Yes, and swearing/yelling when injured is proven to reduce pain (momentarily).

The noise is a way to remind yourself have your breathing under control

When you exhale you power the muscles with respiration, allowing you to recover from the effort faster since you are breathing in and out.