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Performance

CPET in Sports Science

Explaining endurance performance takes more than times and watts. CPET shows Breath-by-Breath how breathing, circulation and metabolism work together under exercise, in studies and in teaching alike.

Questions

  • 01

    Measure V̇O₂max directly

    Maximum oxygen uptake is the central measure of endurance performance. CPET measures it directly from the breath gases instead of estimating it from heart rate or power.

  • 02

    Explain performance beyond V̇O₂max

    Two athletes with the same V̇O₂max rarely run equally fast. Thresholds and movement economy show how much of that capacity actually translates into performance.

  • 03

    Document the effect of interventions

    V̇O₂max, thresholds and economy show whether a training protocol worked. Repeated measurements with the same methodology make the change tangible as a measured value.

  • 04

    Make physiology tangible in teaching

    Students see in real time how breathing, circulation and muscles respond to exercise. Concepts such as thresholds and oxygen kinetics become comprehensible through their own measured values.

Parameters

V̇O₂max
Maximum oxygen uptake: uptake reaches a plateau even as the load continues to rise.
VT1
First ventilatory threshold: from this point, CO₂ output rises disproportionately to oxygen uptake.
VT2
Second ventilatory threshold: from this point, minute ventilation rises disproportionately to CO₂ output.
RER
Respiratory exchange ratio during exercise: ratio of CO₂ output to oxygen uptake.
Running economy
Oxygen uptake at a defined submaximal running speed.
Substrate utilization
Share of carbohydrates and fats in energy expenditure, calculated from the respiratory quotient.

System recommendation

The C2in1 performance as a combined platform, the MetaLyzer® 3B for the lab, the MetaMax® 3B for mobile measurement.

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In practice

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"We have the advantage that we can also measure directly in the field with the devices, and can therefore relate those results to the performances achieved in the lab."

Peter Rüdrich

Research Associate · IAT Leipzig

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Real Madrid Manchester United Borussia Dortmund ISS (ESA/NASA) Charité TU München Loughborough University div. Olympiastützpunkte Red Bull Adidas On Lanserhof Carl Zeiss AG Volkswagen BMW FC Köln Real Madrid Manchester United Borussia Dortmund ISS (ESA/NASA) Charité TU München Loughborough University div. Olympiastützpunkte Red Bull Adidas On Lanserhof Carl Zeiss AG Volkswagen BMW FC Köln Real Madrid Manchester United Borussia Dortmund ISS (ESA/NASA) Charité TU München Loughborough University div. Olympiastützpunkte Red Bull Adidas On Lanserhof Carl Zeiss AG Volkswagen BMW FC Köln

Studies from this area

The 5 latest publications from research and practice.

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The systems are intended for use by trained, qualified personnel.

METALYZER® 3B and METAMAX® 3B are medical devices. C2in1 performance is not a medical device.

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