Critical Oxygen

How I Used Science to Complete my First Race in 2 Years | #94

04 Jun 2025

Contributed by Lukas

In this episode of the Critical Oxygen podcast, we are doing another SOLO podcast where I discuss my journey from chronic injuries to successfully com...

How to Manage Training Load and Hybrid Training | #93 ft. Dr. Alyssa Olenick

07 May 2025

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, Dr. Alyssa Olenick and I discuss endurance and hybrid training, focusing how we balance volume and int...

How to Breathe Better According to Science | #92 ft. Dr. Eric Harbour

06 Feb 2025

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, Dr. Eric Harbour, Ph.D. and I discuss the how to breath better during endurance exercise according to ...

How I Use Physiology Assessment to Optimize My Training | #91

16 Jan 2025

Contributed by Lukas

IF you want to check out rythm health use OPQYFS1L at https://rythmhealth.com for $20 off your first order. In this episode of the Critical Oxygen pod...

How to Use Muscle Oxygenation (NIRS) for Better Training | #90 - Fast Phys ft. Dave Schell

27 Dec 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Dave Schell and I discuss the use of Near Infrared Spectroscopy (NIRS) technology, specifically the M...

The BEST Way to Improve Swim Performance | #89 ft. Coach Aaron Geiser

18 Dec 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Coach Aaron Geiser and I discuss how to improve swimming performance for triathletes. We emphasize the...

How to Optimize Performance w/ At Home Blood Tracking | #88 ft. Rythm Health CEO Robby Wade

11 Dec 2024

Contributed by Lukas

Get $10 off your first at home Rythm Health blood measurement - https://rythmhealth.com/?via=criticaloxygen In this episode of the Critical Oxygen Po...

Why Do We Fatigue? | #87 - Fast Phys ft. Dave Schell

04 Dec 2024

Contributed by Lukas

In this episode of Fast Physiology on the Critical Oxygen Podcast, Dave Schell and I discuss fatigue. We explore the physiological mechanisms, the rol...

Three Steps to Maximizing Your Off-Season | #86 ft. Aaron Geiser

27 Nov 2024

Contributed by Lukas

Don't forget to check out our previous conversation about setting up an effective off-season - https://open.spotify.com/episode/7GJbTtmdf04AbKY204Nx2y...

The Physiology of Heat Shock Proteins | #85 ft. Dr. Maria Fuentes

19 Nov 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, Dr. Maria Fuentes, M.D. and I discuss the critical role of heat shock proteins in exercise and disease...

Physiological Decoupling and Cardiac Drift Explained | #84 - Fast Phys ft. Dave Schell

13 Nov 2024

Contributed by Lukas

In this episode of Fast Physiology on the Critical Oxygen Podcast, Dave Schell and I discuss the concepts of cardiac drift and physiological decouplin...

The Four Characteristics of Successful Endurance Athletes | #83 ft. Aaron Geiser

06 Nov 2024

Contributed by Lukas

In this episode, Coach Aaron Geiser and I discuss the characteristics of successful endurance athletes in light of our recent involvement at the Men's...

The Physiology of Durability and Fatigue Resistance | #82 ft. Gabriele Gallo, Ph.D.

30 Oct 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Gabriele Gallo, Ph.D. and I explore the concept of durability and fatigue resistance in endurance spor...

Is Physiological Assessment for Endurance Athletes Useless? | #81 - Fast Phys 25 ft. Dave Schell

23 Oct 2024

Contributed by Lukas

In this episode of Fast Physiology on the Critical Oxygen Podcast, Dave Schell and I engage in a spirited debate about the utility and accuracy of phy...

How to Optimize Your Training with Better Time Management! | #80 ft. Aaron Geiser

16 Oct 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, Coach Aaron Geiser and I discuss time management for endurance athletes. We discuss the common ineffic...

Be Healthier and Perform Better with Metabolic and Physiological Flexibility | #79 ft. Mike T. Nelson

09 Oct 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Dr. Mike T. Nelson and I discuss metabolic and physiological flexibility, and explore their significan...

Maximize Your Mitochondria for Better Endurance Performance! | #78 - Fast Phys 23 ft. Dave Schell

02 Oct 2024

Contributed by Lukas

In this of Fast Physiology on the Critical Oxygen Podcast, Dave Schell and I discuss mitochondrial respiration and its importance for endurance traini...

The Best Technology for Endurance Training and Performance?! | #77 ft. Aaron Geiser

25 Sep 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, Aaron Geiser from EndureIQ and I discuss the technology we use for training and how it informs our wor...

The Physiology of Lactate and Maximal Glycolytic Rate (VLaMax) | #76 ft. Benedikt Meixner

18 Sep 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Benedict Meixner and I discuss, maximal glycolytic rate (VLaMax) and how its measured through a 15-sec...

Understanding the Stress Response to Exercise | #75 - Fast Phys 21 ft. Dave Schell

11 Sep 2024

Contributed by Lukas

In this of Fast Physiology on the Critical Oxygen Podcast, Dave Schell and I discuss the stress response of our bodies to exercise and the release of ...

Is More Carbohydrate ALWAYS Better for Endurance Performance?! | #74 ft. Aaron Geiser

04 Sep 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, Coach Aaron Geiser and I discuss the importance of individualized nutrition for endurance athletes. We...

Measuring Muscle Oxygen (w/NIRS) is the FUTURE of Endurance Training | #73 ft. Dr. Andri Feldmann, Ph.D.

28 Aug 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Dr. Andri Feldman and I discuss the importance of oxygen and how to measure oxygen dynamics in the mus...

The Purpose and Physiology of a Long Workout! | #72 - Fast Phys 19 ft. Dave Schell

21 Aug 2024

Contributed by Lukas

In this of Fast Physiology on the Critical Oxygen Podcast, Dave Schell and I discuss the purpose and physiology behind long workouts. We highlight the...

How to Crush your Next Race (The Best Race-day Plan)! | #71 ft. Aaron Geiser

14 Aug 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, Coach Aaron Geiser and I discuss the importance of having a plan for race day and how to prepare and e...

Why YOU Need to Strength Train as an Endurance Athlete! #70 ft. Dr. Andrew Brown, DPT

07 Aug 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Dr. Andrew Brown and I discuss the benefits and challenges of incorporating strength training for endu...

How to Cool-Down Effectively for Optimal Endurance Performance? #69 - Fast Phys 17 ft. Dave Schell

31 Jul 2024

Contributed by Lukas

In this episode of Fast Physiology on the Critical Oxygen Podcast, Coach Dave Schell and I discuss the importance of cooling down and the purpose of r...

How to Transition to the Race Specific Phase of Training! | #68 ft. Aaron Geiser

24 Jul 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, Coach Aaron Geiser and I discuss the transition from the general preparatory phase to the specific pha...

How to Manage and Individualize Your Training Volume | #67 ft. Dr. Kat Campbell, DPT

17 Jul 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, Dr. Kat Campbell and I discuss running volume, training load, and the importance of individualization ...

The Importance of a Warm-Up for Endurance Performance? #66 - Fast Phys 15 ft. Dave Schell

10 Jul 2024

Contributed by Lukas

In this episode of fast physiology on the Critical Oxygen Podcast, Dave Schell and I discuss the importance of a warmup and how to do it correctly. We...

How to Improve Your Second Threshold and Race Pace! | #65 ft. Aaron Geiser

03 Jul 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, Coach Aaron Geiser and I discuss the specific phase of training and how to incorporate threshold work....

How to Optimize Endurance Training with an Evidence-Based Approach | #64 ft. Coach Laura Norris

26 Jun 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, Coach Laura Norris and I discuss the translation of science into coaching, common pitfalls in research...

Can we use HRV to Optimize Sleep, Recovery, and Training? #63 - Fast Phys 13 ft. Dave Schell

19 Jun 2024

Contributed by Lukas

In this episode of Fast Physiology on the Critical Oxygen podcast, Dave Schell and I discuss the use of heart rate variability (HRV) for training. We ...

Is AI Useful for Training Optimization | #62 ft. David Mehlman

12 Jun 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, I talk with my good friend David Mehlman where we discuss the role of artificial intelligence (AI) in ...

How to Maximize your Performance in the Heat (Heat Acclimation) | #61 ft. Aaron Geiser

05 Jun 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, Coach Aaron Geiser and I discuss how to acclimate to racing in hot environments. We explain the physio...

Exercise Economy/Efficiency for Endurance Performance | #60 ft. Shalaya Kipp, Ph.D.

30 May 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast I am joined by Dr. Shalaya Kipp, to discuss exercise economy and efficiency, breathing mechanics, and t...

Lactate DOES NOT cause fatigue! | #59 - Fast Physiology 11 ft. Dave Schell

28 May 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, Dave Schell and I discuss lactate and debunk some common misconceptions. We start by talking about how...

How to Build Mental Resilience for Endurance Performance | #58 ft. Neal Palles

23 May 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, I am joined by Neil Palles, an ultra running coach and psychotherapist, to discuss mental flexibility ...

Optimizing Performance and Health with Physiological Testing | #57 ft. Aaron Geiser

21 May 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, coach Aaron Geiser and I discuss physiological testing. Physiological testing is beneficial for both h...

Can You Reprogram Your Physiology Through Breathing? | #56 ft. Brian Mackenzie

16 May 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, I am joined by Brian McKenzie where we talk about maximizing human potential and shifting physiology t...

How to Determine Your Zones with 3 Simple Field Tests | #55 - Fast Physiology 9 ft. Dave Schell

14 May 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, I am joined again by Dave Schell where we discuss field tests for determining training zones. We empha...

How Does Breathing Impact Your Endurance Performance? | #54 ft. Michelle Simmons

09 May 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, I am joined again by Coach Michelle Simmons where we discuss the importance of breathing and how it af...

Why Your Zones are Different Between Running and Cycling (QA Part 2) | #53 ft. Aaron Gesier

07 May 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Coach Aaron Geiser and I answer questions about strength training for endurance athletes, adjusting tr...

What Metrics Should You Track for Optimal Training | #52 Fast Physiology 7 ft. Dave Schell

02 May 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Dave Schell and I discuss the merits and limitations of internal and external variables in endurance t...

Listener Questions and Answers Part 1 - Should your training shift as you get older? | #51 ft. Aaron Geiser

30 Apr 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, continuing guest host Aaron Geiser and I answer listener questions and discuss various topics related ...

Will AI and NIRS Redefine Endurance Training?! | #50 ft. Dr. Robert A. Jacobs

18 Apr 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Dr. Robert Jacobs and I discuss the use of technology and artificial intelligence (AI) in endurance tr...

How to Prepare to Race in the Heat | #49 - Fast Physiology ft. Dave Schell

16 Apr 2024

Contributed by Lukas

In this episode of fast Physiology on the Critical Oxygen Podcast, Dave Schell and I discuss the benefits of heat training for overall endurance perfo...

How to Test and Train Tactical Athletes | #48 ft. Lee Throckmorton

11 Apr 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, I am joined by Lee Throckmorton, founder and CEO of Kaizen Groundworks, to discuss tactical athlete pr...

How to Stay Healthy During Training | #47 ft. Aaron Geiser

09 Apr 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, I am joined by Coach Aaron Geyser where we discuss how to stay healthy during training and the importa...

How to Use Heart Rate Variability for Training | #46 ft. Marco Altini

04 Apr 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Dr. Marco Altini and I discuss heart rate variability (HRV) and its applications in optimizing physiol...

How to Prepare for Racing at High Altitude | #45 - Fast Physiology ft. Dave Schell

02 Apr 2024

Contributed by Lukas

In this episode of the Critical Oxygen Podcast, I am joined again by Dave Schell for another episode of Fast Physiology. In this episode we discuss ho...

How our Bodies Adapt to Exercise (Signaling Mechanisms) | #44 ft. Dr. Robert A. Jacobs

28 Mar 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Dr. Robert Jacobs and I discuss how our bodies adapt to exercise. We explore the various cellular dist...

How to Know When to Take a Recovery Day or Down Week? | #43 ft. Aaron Geiser

26 Mar 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Coach Aaron Geiser and I discuss the importance of recovery days and down weeks in training. We emphas...

Are More Carbs Always Better for Running Performance? | #42 ft. Jonah Rosner

21 Mar 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, hosts Philip Batterson and Jonah Rosner discuss the importance of fueling for running and the optimal ...

Is There Truly a Training "Sweet Spot" (Zone 3 training)? | Fast Physiology #2 ft. Dave Schell

20 Mar 2024

Contributed by Lukas

In this episode of Fast Physiology on the Critical Oxygen podcast, I am joined again by Coach Dave Schell where we discuss sweet spot or gray zone tra...

How to Recover Better: Beyond Sleep and Nutrition | #41 ft. Aaron Geiser

19 Mar 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Coach Aaron Geiser and I discuss various recovery tactics beyond sleep and nutrition. We explore the b...

How to Grow your Mitochondria with Exercise? | #40 ft. Dr. Robert A. Jacobs

14 Mar 2024

Contributed by Lukas

This episode of the Critical Oxygen podcast explores the adaptation of mitochondria to exercise. I am joined by Dr. Robert Jacobs where we discuss top...

How to Improve your Sleep and Fueling to Recover Better! | #39 ft. Aaron Geiser

12 Mar 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Aaron and I discuss the importance of recovery for optimizing athletic performance. We emphasize the r...

Oxygen is the most important molecule for endurance performance! | #38 ft. Dr. Robert A. Jacobs

07 Mar 2024

Contributed by Lukas

This episode of the Critical Oxygen podcast explores the importance of oxygen in human performance. Dr. Robert Jacobs and I explore the role of mitoch...

Bonus: Are you doing Zone 2 incorrectly? | Fast Physiology #1 ft. Dave Schell

06 Mar 2024

Contributed by Lukas

In this episode of Fast Physiology on the Critical Oxygen podcast, Dave Schell and I discuss the nuances and importance of zone two training. We start...

How to Maximize Your Base Training | #37 ft. Aaron Geiser

05 Mar 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Coach Aaron Geiser and I discuss how to make indoor training fun. We acknowledge the boredom and monot...

What is Strength Running? | #36 ft. Jason Fitzgerald from @StrengthRunning

29 Feb 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, I am joined by Jason Fitzgerald, a world class running coach and founder of Strength Running. We discu...

Why I Named my Business Critical Oxygen - The Origin Story | #35 ft. Dr. Robert Jacobs

27 Feb 2024

Contributed by Lukas

This episode of the Critical Oxygen podcast explores the concepts of critical power and critical oxygenation. Dr. Robert Jacobs and I discuss the defi...

Is Polarized Training the Best for Endurance Performance? | #34 ft. Dr. Billy Sperlich

22 Feb 2024

Contributed by Lukas

In this episode, Dr. Billy Sperlich and I discuss training intensity distributions and the use of wearables in endurance sports. He shares his backgro...

What is the Best Protocol for Improving VO2max? | #33 ft. Aaron Geiser

20 Feb 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Aaron Geiser and I discuss VO2max protocols and how to make aerobic development fun. We address miscon...

How many carbohydrates are required to run a sub 2-hour marathon? | #32 ft. Dr. Robert Jacobs

15 Feb 2024

Contributed by Lukas

In this conversation, Dr. Robert A. Jacobs and I discuss his recently accepted paper on carbohydrate oxidation and performance in sub-2 hour marathons...

Coaching/Physiology Listener Questions and Answers Part 1 | #31 ft. Aaron Geiser

13 Feb 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Aaron Geiser and I answer listener questions about endurance development, periodization, and training ...

Why Athletes Need to Slow Down and Do More Zone 2 Training | #30 ft. Sean Seale

08 Feb 2024

Contributed by Lukas

In this episode, I talk with Coach Sean Seale from Upside Strength. He discusses his background in coaching and how his approach has evolved over the ...

What is Exercise Economy and How Can You Improve It? | #29 ft. Dr. Robert Jacobs

06 Feb 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Dr. Robert Jacobs and I discuss exercise economy and efficiency. We explain the importance of zone two...

How to Use Science in Endurance Coaching | #28 ft. Michelle Simmons

01 Feb 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, I am joined by coach Michelle Simmons to discuss the intersection of science in coaching! We cover top...

How to Succeed at Life | #9 ft. Dr. Robert Jacobs

01 Feb 2024

Contributed by Lukas

Welcome to the Critical Oxygen Podcast! In this episode Dr. Robert Jacobs and I talk about falling in love with exercise training and how it's hel...

Is the Best Predictor of Endurance Performance your Muscle?! | #13 ft. Dr. Robert Jacobs

01 Feb 2024

Contributed by Lukas

Welcome to the Critical Oxygen Podcast! In this episode Dr. Robert Jacobs and I talk about the importance of skeletal muscle in predicting endurance p...

What is maximal oxygen consumption (VO2max) and why is it important? | #17 ft. Dr. Robert Jacobs

01 Feb 2024

Contributed by Lukas

This episode of the Critical Oxygen podcast discusses VO2max, the maximum amount of oxygen a person can uptake and utilize during exercise. Dr. Robert...

How to determine your maximal sustainable intensity (second threshold) | #21 ft. Dr. Robert Jacobs

01 Feb 2024

Contributed by Lukas

This episode of the Critical Oxygen podcast discusses the concept of thresholds in exercise physiology. Dr. Robert Jacobs and I explore the confusion ...

How to Determine Your First Metabolic Threshold (Fatmax) | #26 ft. Dr. Robert Jacobs

01 Feb 2024

Contributed by Lukas

In this episode, Dr. Robert Jacobs and I discuss the concept of thresholds in exercise physiology and the ongoing debate surrounding their existence. ...

How to Set Better Endurance Performance Goals | #27 ft. Aaron Geiser

30 Jan 2024

Contributed by Lukas

In this episode of the Critical Oxygen podcast, Coach Aaron Geiser and I discuss goal setting and how it impacts training. We emphasize the importance...

How to find your balance point? (Second Threshold) | #25 ft. Luke Way and Dr. Andrew Sellars

23 Jan 2024

Contributed by Lukas

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 re...

You Shouldn't be Training like the Pros! | #24 ft. Aaron Geiser

18 Jan 2024

Contributed by Lukas

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 co...

Breathing Better for Endurance Performance | #23 ft. Luke Way and Dr. Andrew Sellars

16 Jan 2024

Contributed by Lukas

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 t...

How to Set Up Your Race Season to Avoid Burnout | #22 ft. Aaron Geiser

11 Jan 2024

Contributed by Lukas

In this episode Coach Aaron Geiser and I discuss the influence of factors like nutrition, rest, and recovery on athletic performance throughout a raci...

How to Fuel and Hydrate your Training and Racing | #20 ft. Lexi Kelson RD, M.Sc.

04 Jan 2024

Contributed by Lukas

In this episode, I interview Lexi Kelson, an entrepreneur and registered dietitian, about the importance of hydration and proper fueling for endurance...

Is polarized training the best type of training? | #19 ft. Jonah Rosner CSCS, M.Sc.

02 Jan 2024

Contributed by Lukas

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 recappin...

How to Set up Your Offseason to Maximize your Racing! | #18 ft. Aaron Geiser

28 Dec 2023

Contributed by Lukas

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 I...

Using EWOT to improve your endurance performance!? | #16 ft. Andy St. Germain

21 Dec 2023

Contributed by Lukas

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 in...

What is physiological durability/resilience? | #15 ft. Jonah Rosner CSCS, M.Sc.

19 Dec 2023

Contributed by Lukas

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 properly fuel your endurance training? | #14 ft. Aaron Geiser

14 Dec 2023

Contributed by Lukas

Welcome to the Critical Oxygen Podcast! In this episode Coach Aaron Geiser and I talk about various aspects of substrate utilization in athletic perfo...

How to Use Technology in Endurance Training | #12 ft. David Mehlman

07 Dec 2023

Contributed by Lukas

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 usin...

Physiological Assessment for Crossfit Athletes | #11 ft. Andy St. Germain

05 Dec 2023

Contributed by Lukas

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...

Why you should bring your pillow to your next race! | #10 ft. Aaron Geiser

30 Nov 2023

Contributed by Lukas

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 m...

How Researchers Define Zones (including zone 2) | #1 ft. Dr. Robert Jacobs

26 Nov 2023

Contributed by Lukas

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 ...

How to Optimize Your Endurance Training | #3 ft. Jonah Rosner

26 Nov 2023

Contributed by Lukas

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...

The Importance of Mental Toughness in Endurance Sport | #4 ft. Andy St. Germain

26 Nov 2023

Contributed by Lukas

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 men...

How Does your Physiology Predict your Endurance Performance? | #5 ft. Dr. Robert Jacobs

26 Nov 2023

Contributed by Lukas

Welcome to the Critical Oxygen Podcast! In this episode Dr. Robert Jacobs and I talk about the three main predictors of endurance performance. Maximal...

What's the most important physiological trait for endurance performance? | #7 ft. Jonah Rosner

26 Nov 2023

Contributed by Lukas

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 d...

The Importance of Movement Efficiency in Crossfit | #8 ft. Andy St. Germain

26 Nov 2023

Contributed by Lukas

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 re...

Is Economy the Most Important Variable for Triathlon Performance? | #6 ft. Aaron Geiser

16 Nov 2023

Contributed by Lukas

Welcome to the Critical Oxygen Podcast! In this episode Coach Aaron Geiser and I talk about Aaron's training/taper update, the predictors of triat...

Why Your Training is Stagnant?! | #2 ft. Aaron Geiser

03 Nov 2023

Contributed by Lukas

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 sp...