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OfficialBasRutten, inventor of the O2Trainer, answers what to do if you hear a whistling sound coming from the resistance cap on ...

Learn more and save 15% with code BASRUTTEN at https://www.getmte.com.

Today I use a tool to help explain the physiology of the diaphragm - the primary muscle responsible for breathing. O2 Trainer from ...

motivation #fitnessmotivation #fitness #disciplineiskey #discipline #disciplineiseverything #embracediscipline #o2trainer ...

If you want to fight like a pro, you need to master the basics, and that starts with STRIKING distance, do NOT confuse this with ...

Join us for an exclusive #interview with Christian Tullberg, the founder and #ceo of #Airofit as he takes us through the ...

sobtactical 2022 Members Event Killing some very evil breach points ! #cqb #breach.

Use breathing exercises to simulate high altitude training, improve performance and recovery. #highaltitude #training #breathing ...

Just close your motuh and breathe through your nose. That's where functional breathing starts. — #shorts — #breathing ...

Former UFC champion Bas Rutten coached Ross Levine on one of his favorite combos and took the champ's body shots straight ...