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The Science

Articles, validation & research about the science of metabolic testing

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Validation & Research

Are You Missing Relative Energy Deficiency in Your Athletes (REDs)? New study gives insights.

April 17, 2025

Are your female tactical athletes underperforming despite rigorous training? They might be suffering from REDs — and a simple test could spot it early. Discover how the RMR ratio is changing the...

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(Re)assessment of the COSMED Quark CPET and VO2Master Pro Systems for Measuring Pulmonary Gas Exchange and Ventilation

January 30, 2025

In this study, Johan Thiessen and the research team assessed “the validity, reliability, and transferability of gas exchange and ventilatory variables from two commonly used metabolic measurement...

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5 Takeaways: Duke University’s Wireless Sensor Technology Webinar

January 29, 2025

Research Program Director and Lead Clinical Medical Exercise Physiologist, explored the latest advancements in wireless sensor technology and its impact on conducting cardiopulmonary exercise...

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The Science of Metabolic Testing

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,...

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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...

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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...

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Longevity

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

April 30, 2024

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Peter Attia – The Drive #294 Peak Athletic Performance

March 28, 2024

In episode #294 of The Drive with Peter Attia, world-renowned endurance coach Olav Aleksander Bu joins the conversation to discuss how to achieve peak athlete...

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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...

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