Summary
Phil Batterson and returning guest Andy St. Germain discuss Exercise With Oxygen Therapy (EWOT) on the Critical Oxygen podcast. Andy shares his personal experience using EWOT as an endurance athlete, detailing how breathing supplemental oxygen during cycling intervals has noticeably improved his performance and recovery. They explore the physiological mechanisms including oxygen's role in ATP production, excess post-exercise oxygen consumption (EPOC), and the anti-inflammatory effects on capillary endothelium. The conversation is framed from an exercise science perspective, covering how EWOT may improve VO2 max, accelerate lactate clearance, and enhance training adaptations. They discuss the spectrum of users from chronically ill individuals to elite athletes, and note that people closer to the sickness end of the wellness spectrum tend to notice the most dramatic improvements from EWOT.
Key Points
- EWOT can noticeably improve endurance performance and recovery in trained athletes
- People closer to the sickness end of the spectrum notice more dramatic EWOT benefits
- Oxygen is the gating factor for ATP production in mitochondria during exercise
- EWOT may accelerate lactate clearance, reducing post-exercise soreness
- The protocol involves breathing 93% oxygen during interval or steady-state cardio sessions
- Excess post-exercise oxygen consumption (EPOC) is amplified when exercising with supplemental oxygen
- EWOT offers anti-inflammatory benefits through oxygen's effect on capillary endothelial cells
- The equipment includes an oxygen concentrator filling a reservoir bag connected to a breathing mask
Key Moments
EWOT benefits are most dramatic for people closer to the sickness end of the spectrum
Andy explains that EWOT impact scales with how far someone is on the sickness-to-wellness spectrum. People with more health challenges notice more dramatic improvements from supplemental oxygen during exercise.
"how far are you on this sickness to wellness? And what I'm realizing for just people that are doing it for overall general well being, like the closer they are to that sickness, the more of an impact that they're noticing on the EWOT."
Exercise with oxygen therapy for endurance performance gains
Phil introduces EWOT as a modality Andy has been using on his bike for endurance performance, wearing a mask hooked up to an oxygen reservoir during intense cycling sessions.
"something I've been seeing on Andy's Instagram quite often lately is him wearing this crazy mask hooked up to a bike and he's just going all out on the bike"
Oxygen as the gating factor for ATP production in exercise
The Critical Oxygen podcast frames EWOT within exercise physiology, focusing on how oxygen is the rate-limiting factor for mitochondrial ATP production during physical exertion.
"Welcome back to the Critical Oxygen Podcast, where we help you optimize your physiology and maximize your athletic potential"
