Bas Rutten O2Trainer breathing exercises

Bas goes over both exercises, the front- and back breathing muscles, but then also tells you how to do it without the movement.
The O2Trainer does wonders for your endurance, most Olympic endurance athletes are using Inspiratory Muscle Training since its proven to be very effective. The O2Trainer will also force you to breathe correctly, and please know that studies say that 95% of the people are breathing wrong, which was including Bas before he made the O2Trainer.
On our website https://www.o2trainer.com you can find, under the tab SCIENCE, many Published Medical Journals that will back up every claim Bas is making.
Change your life, the O2Trainer can give you up to 5 times or oxygen, you mundane body will appreciate it!