Critical Oxygen

In this episode of the Critical Oxygen podcast, Coach Luke Way, Dr. Andrew Sellers and I discuss the balance point assessment and how to assess the respiratory system. We explain the concept of lactate balance point and how it can be used to determine an athlete's physiological limitations. We also discuss the importance of incorporating technology into the assessment process and the need for...

SUMMARY In this episode, I am joined by Coach Aaron Geiser where we discuss the desire to train like a professional athlete and the challenges that come with it. We emphasize the importance of individualized training and the role of science in making training decisions. We also discuss the limitations of emulating professional athletes and the challenges of managing stress and recovery. We emphasi...

SUMMARY In this episode, I am joined by Luke Way and Dr. Andrew Sellers to discuss respiratory muscle training and the Breatheway device. We explore the importance of training the respiratory system and how it can impact performance. We also discuss the limitations of the respiratory system and how respiratory muscle training can help overcome them. Overall, we provide valuable insights into the i...

In this episode Coach Aaron Geiser and I discuss the influence of factors like nutrition, rest, and recovery on athletic performance throughout a racing season. We emphasize strategies to prevent burnout, manage stress, and strategically plan race schedules. Addressing the pitfalls of over-racing, we explore the impact on athletes' physical and mental well-being, advocating for selecting races...

In this episode, I interview Lexi Kelson, an entrepreneur and registered dietitian, about the importance of hydration and proper fueling for endurance sports. We discuss their backgrounds and how they got involved in the field of sports performance and nutrition. Lexi explains the process of guiding athletes in developing personalized fueling and hydration plans, emphasizing an individualized appr...

In this episode, Phil and Jonah discuss the concept of polarized training and whether it is the best approach for all athletes. They start by recapping Jonah's experience at the New York Marathon and the inspiring culture of running. They then define polarized and pyramidal training and discuss the importance of specificity in training. The conversation shifts to the periodization of training...

In this episode, Aaron and I discuss recent Ironman races and the importance of the off-season. We highlight Chelsea Sodaro's performance in the Ironman World Championship and Dan Plews victory in the California Ironman. We also discuss the impact of separate Ironman World Champ races on participation and vendor presence. The conversation then shifts to the off-season, with a focus on taking t...

Welcome to the Critical Oxygen Podcast! In this episode Andy St. Germain and I talk about exercise with oxygen therapy (EWOT) and it's uses for interval training, recovery, and everything in between, enjoy! Enjoying these podcasts? Subscribe to get notified when new episodes are released. If you have a question or topic you want us to address, leave a comment! Follow Phil on Instagram - https:...

Welcome to the Critical Oxygen Podcast! In this episode Jonah Rosner, MS, CSCS, and I talk about durability/resilience in endurance sports. We explore how to test resilience, metrics to monitor resilience, like using heart rate decoupling during marathons, and much more! Enjoying these podcasts? Subscribe to get notified when new episodes are released. If you have a question or topic you want us t...

Welcome to the Critical Oxygen Podcast! In this episode Coach Aaron Geiser and I talk about various aspects of substrate utilization in athletic performance. What substrates are being oxidized at different intensities, the impact of carbohydrate intake on GI distress, nuances in utilization, and the advantages of training adaptations. We also discuss the significance of personalized nutrition, fue...

Welcome to the Critical Oxygen Podcast! In this episode David Mehlman and I discuss the use of technology to optimize your training and how he is using these principles to maximize his performance! A bit about David: David Mehlman is an entrepreneur, investor, and avid endurance athlete. Throughout his career, David has worked in sell-side equity research, for a multi-billion-dollar equity hedge f...

Welcome to the Critical Oxygen Podcast! In this episode Andy St. Germain and I talk about how and why you should be doing physiological assessment for Crossfit athletes! Enjoying these podcasts? Subscribe to get notified when new episodes are released. If you have a question or topic you want us to address, leave a comment! Follow Phil on Instagram - https://www.instagram.com/criticalo2 Follow And...

Welcome to the Critical Oxygen Podcast! In this episode Coach Aaron Geiser and I talk about his half ironman race performance, how to avoid race day mistakes, and why sleeping well can increase your race day performance! Enjoying these podcasts? Don't forget to subscribe to get notified when new episodes are released. If you have a question or topic you want us to address, leave a comment! Fol...

Welcome to the Critical Oxygen Podcast! In this episode Dr. Robert Jacobs and I talk about how we started to work together, why we decided to go into academia, the benefits of proper training, and the physiological training plan. Enjoy! Enjoying these podcasts, subscribe to get notified when new episodes are released. If you have a question or topic you want us to address, leave a comment! Follow...

Welcome to the Critical Oxygen Podcast! In this episode Jonah Rosner, MS, CSCS, and I talk about how we met, Jonah's current training, and the how we use technology to assess physiology. Enjoy! Enjoying these podcasts, subscribe to get notified when new episodes are released. If you have a question or topic you want us to address, leave a comment! Follow Phil on Instagram - https://www.instagr...

Welcome to the Critical Oxygen Podcast! In this episode Andy St. Germain and I talk about how we met, Andy's background, and the importance of mental toughness from endurance training and Crossfit. Enjoy! Enjoying these podcasts? Subscribe to get notified when new episodes are released. If you have a question or topic you want us to address, leave a comment! Follow Phil on Instagram - https://...

Welcome to the Critical Oxygen Podcast! In this episode Dr. Robert Jacobs and I talk about the three main predictors of endurance performance. Maximal oxygen uptake (VO2max), metabolic thresholds (i.e. lactate, ventilatory (oxygen and carbon dioxide), etc.), and economy/efficiency. Enjoy! Are you enjoying these podcasts? Please subscribe to get notified when new episodes are released. If you have...

Welcome to the Critical Oxygen Podcast! In this episode Jonah Rosner, MS, CSCS, and I talk about predictors of performance and how we use testing to determine training plans. Enjoy! Enjoying these podcasts, subscribe to get notified when new episodes are released. If you have a question or topic you want us to address, leave a comment! Follow Phil on Instagram - https://www.instagram.com/criticalo...

Welcome to the Critical Oxygen Podcast! In this episode Andy St. Germain and I talk about predictors of performance in endurance sport and how they relate to Crossfit. We also touch on the most important predictor of performance for Crossfit. Enjoy! Enjoying these podcasts? Subscribe to get notified when new episodes are released. If you have a question or topic you want us to address, leave a com...

Welcome to the Critical Oxygen Podcast! In this episode Coach Aaron Geiser and I talk about Aaron's training/taper update, the predictors of triathlon performance and how Aaron uses them in his coaching, and what the most important variable for triathlon performance is. Enjoy! Enjoying these podcasts, subscribe to get notified when new episodes are released. If you have a question or topic you...

Welcome to the Critical Oxygen Podcast! In this episode Coach Aaron Geiser and I talk about how we met, Aaron's ironman taper, and how reducing speed or being aware of your intensity is extremely important for your endurance performance and more. Enjoy! Enjoying these podcasts, subscribe to get notified when new episodes are released. If you have a question or topic you want us to address, lea...