Skip to content

Watch: Coffee Chat Q&A with Kristian Blummenfelt, Gustav Iden, and Olav Aleksander Bu

November 22, 2024

In this exclusive unfiltered Q&A coffee chat, hear from Kristian Blummenfelt, Gustav Iden, and Olav Aleksander Bu as they answer real questions from real...

Read more

DU KAN AUKA Protocol: How to Test Swimmers with VO2 Master

November 13, 2024

Written by Alexander Broberg Skeltved, DU KAN AUKA Many have asked how to test swimmers in the pool with the VO2 Master. We now have the pleasure of presenting a detailed description of our...

Read more

VO2 Assessment: Comparison of Mobile Modified Technique with Standard CPET

November 6, 2024

October 2024 Conference: The Anesthesiology Annual Meeting, American Society of AnesthesiologistsAt: Philadelphia Authors: David B Macleod, Duke University, Jeroen Molinger, Duke University,...

Read more

Study: The Reliability of the VO2 Master Pro Metabolic Analyzer and Comparison with the Cosmed Quark

October 31, 2024

Department of Kinesiology, Sam Houston State University, 1905 University Ave, 77340 Huntsville, TX USA P.R. Davis, College of Osteopathic Medicine, Sam Houston State University, 925 City Central...

Read more

Deliver World-Class Virtual Coaching with the VO2 Master and Cloud Account

October 10, 2024

In the rapidly progressing and fast-paced specialties of wellness, fitness, and sports performance, remote training and virtual coaching are becoming an integral component to the success of serious...

Read more

5 Reasons Why Pro Football (Soccer) Teams Use Portable Metabolic Testing

October 2, 2024

In this article, discover five reasons why pro football teams are using portable metabolic analysis as a key element of their training and performance optimization strategies....

Read more

Bruce Protocol Testing Simplified with VO2 Master

September 26, 2024

The Bruce protocol is a widely respected graded exercise test designed to assess cardiovascular performance on a treadmill.  Created by cardiologist Robert Bruce in the 1960s, this test...

Read more

Submaximal or VO2max Testing: What’s the Best Choice for Your Athlete or Client?

September 18, 2024

Written by Andrew Lambert, MKin. CSCS In recent years, VO2max testing has grown exponentially in the sphere of wellness, fitness, and elite sports.  Influential physicians have touted the...

Read more

10 Steps to Attract New Clients with Portable Metabolic Testing

September 11, 2024

Learn ten steps for how to open new revenue streams and grow your business by implementing portable metabolic testing into your fitness...

Read more

Tutorial: How to Sync VO2 Master with Your Garmin Device 

September 3, 2024

In this video tutorial, Philip Batterson, Ph.D., Integrative Physiologist and Endurance Coach, explains step-by-step how to sync your VO2 Master portable analyzer with your Garmin...

Read more

Study: Ideal Slope in Downhill Running and the Benefits of Combining EMG and VO2

August 27, 2024

Researchers from the Laboratory of Human Movement Biology at Jean Monnet University, France, conducted a study combining EMG and VO2 measurements to identify the ideal slope for downhill running....

Read more

Comprehensive Compatibility: How VO2 Master Integrates with 8 Industry-Leading Devices

August 19, 2024

In this guide, we explore the diverse range of devices from industry-leading brands that VO2 Master is compatible with and how you can use...

Read more

The Norwegian Method: Kristian Blummenfelt and Gustav Iden Talk About Life as Pro Triathletes

August 16, 2024

In episode 5 of The Norwegian Method, Dr. Lipman talks with Kristian Blummenfelt and Gustav Iden about their lives as professional triathletes....

Read more

Watch: Rucking VO2max Testing with Fitness Coach Jack Hanrahan 

August 9, 2024

Fitness coach Jack Hanrahan is on a mission to increase his longevity. With the ultimate goal of enjoying a high quality of life, today and in the future, Jack leverages equal parts strength and...

Read more

Training with the World’s Fittest Person: 24 Hours with Kristian Blummenfelt [Video]

July 16, 2024

In this documentary, Norwegian rock climber Magnus Midtbø spends 24 hours with Kristian Blummenfelt, taking part in his gruelling training and testing...

Read more

The Norwegian Method: Kristian Blummenfelt and Gustav Iden Talk About Life as Pro Triathletes

July 15, 2024

In episode 5 of The Norwegian Method, Dr. Lipman talks with Kristian Blummenfelt and Gustav Iden about their lives as professional triathletes....

Read more

The Norwegian Method: Kristian Blummenfelt and Gustav Iden on Camp, Altitude, and Enjoying Training

July 11, 2024

In episode 4 of The Norwegian Method, Kristian Blummenfelt and Gustav Iden talk with host Dr. David Lipman about training camp, altitude, and enjoying the process....

Read more

Feasibility of a Novel Augmented 6-Minute Incremental Step Test: A Simplified Cardiorespiratory Fitness Assessment Tool [Duke University]

July 9, 2024

This study by Duke University tests the feasibility of a novel augmented 6-minute incremental step test using VO2 Master....

Read more

Everything You Need to Know About Ventilatory Thresholds

July 5, 2024

In this article, you'll learn everything you need to know about ventilatory thresholds and how to incorporate them into your athletic training regimen....

Read more

The Norwegian Method: Kristian Blummenfelt Talks Testing, Training, and Paris 2024

July 3, 2024

In this episode of The Norwegian Method, Dr. Lipman speaks with Kristian Blummenfelt about testing, training, and Paris 2024....

Read more

The Norwegian Method: Kristian Blummenfelt on Training Optimization, Mindset, and What’s Next

June 21, 2024

In this second episode of The Norwegian Method, Kristian Blummenfelt shares his training regime with Dr. Lipman. Here are 7 essential...

Read more

The Norwegian Method: Kristian Blummenfelt on Success, Legacy, and Paris 2024

June 15, 2024

In this first episode of TNW's 2nd season, Dr. Lipman speaks with Olympic gold medalist, Kristian Blummenfelt on his journey to the Olympics. Here are 7 takeaways from the...

Read more

Mini Documentary: How the World’s Fastest Triathletes Used VO2 Master to Boost Performance by 19%

June 11, 2024

In this short video, learn how the world's fastest triathletes used VO2 Master to boost their performance by nineteen...

Read more

How Triathlete Brock Hoel Has Used VO2 Master to Optimize His Performance

June 5, 2024

We spoke with Dr. Andrew Sellars to learn more about Brocks Hoel's triathlon journey, his progression, and how VO2 Master has supported his...

Read more

VO2 Master Validation Athlete Case Study by DU Kan Auka

May 31, 2024

We are excited to present an in-house study by DU KAN AUKA where they tested the VO2 Master Analyzer on a former elite...

Read more

Innovative Universities and Colleges Worldwide Using VO2 Master for Human Performance Metabolic Testing

May 17, 2024

VO2 Master has completely transformed the way universities and colleges use metabolic data to optimize student athletes' performance and conduct in situ research. Here's how the VO2 Master can...

Read more

The Drive with Peter Attia Q&A: You Asked, VO2 Master Answered

April 30, 2024

...

Read more

6 Reasons Why Triathletes Worldwide Are Using VO2 Master

April 17, 2024

Olympic-distance and Ironman triathletes are a breed apart, pushing their bodies to the limits as they conquer swimming, cycling, and running in one seamless event.  In their relentless...

Read more

Case Study: Run Optimization for an Ironman World Championship Athlete

April 11, 2024

Respiratory analysis, which can be examined as part of any metabolic assessment, can be incredibly beneficial for coaches. However, it is an underutilized tool in many cases. To help shed...

Read more

The Norwegian Method Podcast: 5 Insights About Nutrition for Triathletes

April 3, 2024

This is the eighth episode in this series. If you haven’t yet listened to Episode 7, click here to read our six takeaways and listen to the episode in...

Read more

Peter Attia – The Drive #294 Peak Athletic Performance

March 28, 2024

https://open.spotify.com/episode/77WmAYxQGGgi7En15e9C3y?si=6d68a99b662e4ee1 Summarized by Philip Batterson, PhD., Integrative Physiologist and Endurance Coach In episode #294 of The Drive...

Read more

The Norwegian Method Podcast: 6 Essential Tips for Triathlon Run Training

March 27, 2024

This is the seventh episode in this series. If you haven’t yet listened to Episode 6, click here to read our six takeaways and listen to the episode in...

Read more

The Norwegian Method Podcast: How to Optimize Your Triathlon Bike Training

March 20, 2024

This is the sixth episode in this series. If you haven’t yet listened to Episode 5, click here to read our 10 takeaways and listen to the episode in...

Read more

VNR: UH study first to measure outrigger canoe paddling intensity

March 14, 2024

"University of Hawaiʻi at Mānoa public health researchers are collecting data from outrigger canoe paddlers to determine the activity’s metabolic equivalents (METs), which show how many calories...

Read more

The Norwegian Method Podcast: Simplifying the Swim Training Process

March 13, 2024

This is the fifth episode in this series. If you haven’t yet listened to Episode 4, click here to read our 11 takeaways and listen to the episode in...

Read more

The Norwegian Method Podcast: 11 Insights to Optimize Your Triathlon Training

March 6, 2024

This is the fourth episode in this series. If you haven’t yet listened to Episode 3, click here to read our seven takeaways and listen to the episode in...

Read more

The Norwegian Method Podcast: Answering 7 Essential Questions About Racing

February 28, 2024

This is the third episode in this series. If you haven’t yet listened to Episode 2, click here to read our five takeaways and listen to the episode in...

Read more

The groundbreaking science behind Supercaliber

February 27, 2024

"Cutting-edge testing reveals how Supercaliber Gen 2 is Trek’s fastest and most capable cross-country mountain bike ever With revamped Isostrut suspension, Supercaliber Gen 2 takes...

Read more

The Norwegian Method Podcast: 6 Key Elements of Planning Your Triathlon Training Season

February 21, 2024

This is the second episode in this series. If you haven’t yet listened to Episode 1, click here to read our five takeaways and listen to the episode in...

Read more

The Norwegian Method Podcast: Defining the Performance Model and the Fundamentals of the Norwegian Method

February 14, 2024

https://open.spotify.com/episode/5sK0mye3FIAtRcYNk4jzr1?si=d6378804d9154a0d&nd=1&dlsi=f2df3d92168e43bb Whether you’re an age group triathlete looking to qualify for the World...

Read more

Chasing Gold: Triathlete Brock Hoel’s Journey to Secure a Spot on Team Canada

February 13, 2024

Triathlete and aspiring Olympian Brock Hoel is hot on the heels of a spot on Team Canada at the 2024 Olympic Games in Paris. As he trains to compete on the world stage, Brock is working with the...

Read more

How a Coach Can Help You Harness the Power of Metabolic Analysis [Expert Insights from Performance Coach Sean Seale]

February 12, 2024

For athletes of all levels and backgrounds, performance improvement is a core goal. Metabolic analysis can be the key to uncovering physiological data that opens new doors, unlocks your potential,...

Read more

The Norwegian Method – Episode 3: A Year On Since Kristian and Gustav’s Pivot to Short Course

February 4, 2024

If you missed Episode 2, click here to watch it. Follow the journeys of Norwegian triathletes Kristian Blummenfelt and Gustav Iden as they work tirelessly alongside coach Olav Aleksander Bu as...

Read more

The Norwegian Method – Episode 2: Kristian Blummenfelt & Gustav Iden’s 2023 Pre-Season Training

February 4, 2024

If you missed Episode 1, click here to watch it. In episode 2, the team opens the doors to their pre-season training camps as Kristian and Gustav attempt to return from long course triathlon to...

Read more

The Norwegian Method – Episode 1: Kristian Blummenfelt & Gustav Iden’s Winter Lab Testing

February 4, 2024

If you missed the introduction to this series, click here to read the backstory. In the first installment of the Norwegian Method, Kristian, Gustav, and Olav allow cameras into the lab to...

Read more

The Norwegian Method: The Road to Paris 2024 with Kristian Blummenfelt, Gustav Iden, and Olav Aleksander Bu

February 4, 2024

There are few names more renowned in the triathlon world than Kristian Blummenfelt, Gustav Iden, and Olav Aleksander Bu. With a long resume of accolades between them, ranging from Ironman titles...

Read more

Mindset Shift: Using Sports Injury Rehabilitation to Become a Better Athlete

January 22, 2024

There is one universal truth for athletes at every level: sports injury rehabilitation is inevitable. At some point, they will get injured. Whether it’s a pulled muscle, a torn ligament, or a...

Read more

How Your Breathing Changes When Doing Dynamic Exercise

January 15, 2024

In this edition of the VO2 Master Education Series, performance coach Sean Seale and Dr. Andrew Sellars, Co-Founder of VO2 Master, explore how your breathing changes when doing dynamic exercise....

Read more

Effect of respiratory muscle endurance training on performance and respiratory function in professional cyclists during the off-season

January 15, 2024

The study aimed to analyze the effect of respiratory muscle endurance training (RMT) on performance and respiratory function in professional road cyclists during the off-season...

Read more

Accuracy of Tracking Devices’ Ability to Assess Exercise Energy Expenditure in Professional Female Soccer Players: Implications for Quantifying Energy Availability

January 15, 2024

The purpose of the study was to assess the accuracy of commonly used GPS/accelerometer-based tracking devices in the estimation of exercise energy expenditure (EEE) during high-intensity intermittent...

Read more

Backpack load carriage and uphill walking – what matters for hikers?

January 15, 2024

Hiking is becoming a very popular activity with more than 27 million participants recorded in France by the Fédération Française de Randonnée. Despite this large proportion of the population...

Read more

CO2 and the Basics of Breathing

January 10, 2024

In this edition of the VO2 Master Education Series, performance coach Sean Seale and Dr. Andrew Sellars, Co-Founder of VO2 Master, delve into the fundamental aspects of CO2 production in the body...

Read more

How VO2 Master Helps Coaches and Trainers Identify and Overcome Limiters

December 19, 2023

Whether the goal is to complete a race, secure a personal best, or simply level-up fitness or physique, improvement is a consistent priority for athletes and fitness enthusiasts of all kinds. But...

Read more

How to Improve Aerobic Fitness: Start by Forgetting About Aerobic and Anaerobic Training

November 30, 2023

Today, the concept of aerobic fitness is at the forefront of mainstream conversations about exercise and athletic training.  When you conduct a Google search about improving aerobic...

Read more

Normal (and Abnormal) Breathing Patterns at Rest

November 2, 2023

In this edition of the VO2 Master Education Series, performance coach Sean Seale chats with Dr. Andrew Sellars, Co-Founder of VO2 Master, about breathing patterns at rest, respiratory frequency, and...

Read more

10 Years of VO2 Master: Co-Founders Peter O’Brien and Andrew Sellars Reflect on a Decade of Innovation 

October 26, 2023

This year marks the 10th anniversary of VO2 Master. The last decade has been an incredible journey. It started with an idea to improve assessments of local athletes and has resulted in a product...

Read more

Easy Ways to Improve Your Breathing in Cycling, Running, Rowing & Swimming

October 18, 2023

In this edition of the VO2 Master Education Series, performance coach Sean Seale talks with Dr. Andrew Sellars, Co-Founder of VO2 Master, about improving and optimizing your breathing patterns in...

Read more

Get the Most Out of Your Long-Step Test (Physiological Profiling)

October 6, 2023

In this edition of the VO2 Master Education Series, performance coach Sean Seale and Dr. Andrew Sellars, Co-Founder of VO2 Master, discuss long-step tests, including what they’re used for, how to...

Read more

The Ideal Duration and Intensity for a Short-Step Test

September 13, 2023

In this edition of the VO2 Master Education Series, performance coach Sean Seale chats with Dr. Andrew Sellars, Co-Founder of VO2 Master, about setting up the ideal duration and intensities for a...

Read more

How to Choose the Right Step Test for Your Athletes and Clients

September 11, 2023

In this edition of the VO2 Master Education Series, performance coach Sean Seale chats with Dr. Andrew Sellars, Co-Founder of VO2 Master, about step tests—what they are, why they can be useful for...

Read more

Why is Spirometry Important for Metabolic Testing?

September 3, 2023

In this edition of the VO2 Master Education Series, performance coach Sean Seale interviews Dr. Andrew Sellars, Co-Founder of VO2 Master, about what exactly spirometry is and why it's so important...

Read more

Training Zones: How Deeper Data Helps You Reach Your Fitness Goals Faster

September 3, 2023

From Garmins to Apple Watches and beyond, if you own a fitness tracker, you already know that it measures your heart rate during physical activity. Using this information, you can use your five...

Read more

Listen: The Secret to Improving Your Conditioning with VO2 Master Co-Founders Peter O’Brien and Dr. Andrew Sellars [The MetPro Method with Coach Crystal]

July 20, 2023

VO2 Master Co-Founders Peter O'Brien and Dr. Andrew Sellars joined Coach Crystal on The MetPro Method Podcast to discuss how you can break through athletic plateaus by learning about your current...

Read more

Ventilatory Thresholds

May 5, 2023

Significance of Ventilatory Thresholds During physical exertion, as the physical intensity increases, the production of CO2 ramps significantly as a result of the metabolism required to fuel the...

Read more

Physiological and Mechanical Responses to a Graded Exercise Test in Traditional Rowing

February 18, 2023

Authors: Alfonso Penichet-Tomas , Jose M. Jimenez-Olmedo , Basilio Pueo and Javier Olaya-Cuartero Research Group in Health, Physical Activity, and Sports Technology (Health-Tech), Faculty of...

Read more

Energy expenditure compared to mental focus & score in three modes of golf transport/play

December 23, 2022

Authors: Neil Ernest Wolkodoff 1, Gerald Martin Haase 2 and Ben Nathaniel Pennymon 3 1 Colorado Center for Health & Sport Science, Denver, Colorado.2 University of Colorado School of...

Read more

Best Practices for Your VO2 Master Analyzer

December 14, 2022

Here are some best practices to get the highest quality data possible from your VO2 Master Analyzer. The VO2 Master Analyzer is robust and generally works well by simply following the in-app guide...

Read more

One Test to determine Efficiency, Thresholds, and VO2max

August 8, 2022

Introduction. The three major predictors of endurance performance are maximal oxygen consumption (VO2max), fatigue thresholds (e.g., ventilatory and/or critical power), and efficiency or economy of...

Read more

The Importance of Sport Specific Maximal Oxygen Testing

August 8, 2022

Introduction. One of the most significantly limiting aspects of measuring maximal oxygen consumption (VO2max) testing is that, until very recently, it had to be measured in a lab in very controlled...

Read more

Helping Athletes Achieve Their Ambitions

February 18, 2022

Train.Red—a world leader in scientific, wearable (f)NIRS equipment—is excited to announce that it will be collaborating with VO2 Master. Joining forces will lead to great opportunities, not only...

Read more

Physiological Demands of Basic Fire Management Tasks in Members of the Canadian Armed Forces: A Pilot Study

October 15, 2021

Authors: Étienne Chassé, MSc; Daniel Théoret, MSc; Martin P. Poirier, PhD; François Lalonde, PhD Introduction Members of the Canadian Armed Forces (CAF) are required to meet the minimum...

Read more

Debunking the Lactate Threshold Myth

May 13, 2021

Many physiologic testing protocols in use today are based on poor science, and do not make use of the available evidence, which has proven fundamental errors in the protocols themselves. The...

Read more

Part 5: VO2max – A Determinant of Team Sport Performance

March 15, 2021

In this fifth article of our Introductory Series, we identify and discuss factors that affect athletic performance in team sports. Athletic Capacities Without question, physical capacity of...

Read more

Part 4: Measuring Maximal Oxygen Consumption

February 15, 2021

In this fourth installment of our Introductory Series, we examine how to accurately measure maximal oxygen consumption, as well as discuss some of the implications associated with different testing...

Read more

What is the best way to train VO2max?

January 29, 2021

Introduction After determining VO2max, the next step is to create a training plan to improve VO2max and other aspects of fitness, (i.e. efficiency and threshold). There are a variety of...

Read more

Part 3: How to Train Based on Metabolic Test Values

January 23, 2021

This is the third article of our Introductory Series. If you’re new to metabolic analysis or need a refresher on the subject, then this series is for you. On the other hand, if you’re...

Read more

Case Study – Interpretation of VO2max Test

December 29, 2020

In the last blog posts the physiology and proper testing protocols for maximal oxygen consumption have been discussed. The purpose of this post is to walk through the analysis of a completed VO2max...

Read more

How to Measure Exercise Efficiency

December 18, 2020

In this article, the first in our Advanced Series, we will be examining one method of accurately measuring exercise efficiency and...

Read more

Part 2: How the Body Uses Oxygen

December 1, 2020

This is the second article of our Introductory Series. If you’re new to metabolic analysis or need a refresher on the subject, then this series is for you. On the other hand, if you’re advanced...

Read more

How to Measure Maximal Oxygen Consumption

November 29, 2020

Maximal oxygen consumption (VO2max) describes the bodies’ ability to uptake and utilization oxygen during intense/maximal full-body exercise. Measuring VO2max is critical to understanding one’s...

Read more

Part 1: An Introduction to Metabolic Testing

November 17, 2020

In the first article of our Introductory Series, we examine VO2 max and ventilatory thresholds and discuss how this information can provide important insight into one's cardiorespiratory...

Read more

Validity and Reliability of the VO2 Master Pro for Oxygen Consumption and Ventilation Assessment

September 14, 2020

Authors: Montoye, Alexander HK; Vondrasek, Joseph D.; and Hancock, James B. II Conclusion In conclusion, our study found acceptable convergent validity and test-retest reliability of the...

Read more

VO2max: A Brief History

August 29, 2020

In the early 1920’s researchers identified that there was a limited amount of oxygen that the body could uptake and consume. Coined VO2max, this measurement is now a mainstay in the evaluation of...

Read more

Physiology of Maximal Oxygen Consumption

July 29, 2020

Maximal oxygen capacity (VO2max) describes the bodies’ ability to maximally uptake oxygen from the atmosphere, and utilize it in the skeletal muscle mitochondria during intense full-body exercise....

Read more

Oxygen consumption in industrial tasks assisted by an upper limb exoskeleton

July 3, 2020

Authors: David Martínez Pascual Tutor/s: Nicolás M. García Aracil Summary “In view of the results obtained, oxygen consumption would indicate a decrease in fatigue under the task...

Read more

Selective respiratory parameters and training of female tennis players

June 22, 2020

Authors: Pacholek, Jakub Advisor: Kočíb, Tomáš Summary “The respiratory parameters of our twin players were average compared to the general population and below average compared to...

Read more

Maximal Oxygen Consumption for Health and Performance

May 26, 2020

Maximal oxygen consumption (VO₂max) and its relationship to whole-body health and performance. The Basics Maximal oxygen consumption (VO₂max) is the maximal rate of oxygen a person can...

Read more

A Primer on Exercise Efficiency and Economy

January 27, 2020

Elite level endurance performance requires an athlete to have a large (>70 ml/kg/min) aerobic engine (VO2max) of which a high percentage (75-90%) of that maximal value can be maintained for...

Read more

Reproducibility of oxygen consumption measurements with the vo2 master portable device

January 1, 2020

Authors: Kotnik, Polona Mentor: Fonda, Borut Commentator: Suhadolnik, Aleš Conclusion “…we can conclude that the use of the device VO2 Master in the specific environment with...

Read more

Speculating on Physiology in the Lab vs on the Road

December 26, 2019

Author: Jem Arnold Introduction “We’re seeing trends in systemic VO2, blood lactate, and local muscle oxygen that align with the literature on muscle recruitment and metabolic...

Read more

The Historical Context of Measuring Oxygen Consumption

December 13, 2019

There is an existence of a finite rate of oxygen consumption that exists during intense exercise, of which no further effort will increase. A.V. Hill and Colleagues 1923 Identification of...

Read more

VO2 Master versus Parvo TrueOne

November 27, 2019

Author: Jem Arnold Conclusion “…comparing the VO2 Master against one of the standard metabolic carts we have at our lab, the Parvo Medics TrueOne 2400. The findings are...

Read more

The Three Major Physiological Factors that Predict Elite Endurance Performance

November 27, 2019

Elite level endurance performance is thought to be dictated by a combination of an athlete’s VO2max, metabolic threshold, and efficiency/economy. This combination results in the ability of the...

Read more

Objective and Subjective Effects of a Passive Exoskeleton on Overhead Work

October 3, 2019

Authors: Pauline Maurice, Jernej Camernik, Dasa Gorjan, Benjamin Schirrmeister,Jonas Bornmann, Luca Tagliapietra, Claudia Latella, Daniele Pucci, LarsFritzsche, Serena Ivaldi, et...

Read more

Validity and Reliability of the VO2 Master

August 6, 2019

Author: James Webber Introduction This study aimed to determine the validity and reliability of the VO2 Master when compared to a VacuMed metabolic simulator. The VacuMed simulator has been...

Read more
Have Questions?

Chat directly with a live agent by opening the chat window.