Joe Rogan gets the O2Trainer explained and tries it
9:46
Airofit Lung training - 10 min every day for 30 days (Review video)
17:14
Science Lifters Are Under Attack
16:50
Everything you need to know about the new o2trainer, the "Original 2.0".
15:28
Lower Your Blood Pressure w/ Breathing Exercises (IMST)
9:59
The Breathing Technique That Saved My Life
5:28
Bas Rutten O2Trainer breathing exercises
5:28
Improve Endurance and Stamina in only 7 minutes a day
14:44