vo2max

Check-ups

Why VO₂max matters

A clear picture of your current fitness level

Insights into fat burning and energy use.

A reliable predictor of long-term health and independence

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What metrics are assessed in a VO₂max test?

VO₂max shows how much oxygen your body can use during exercise. It is the best measure of your endurance, cardiovascular strength, and overall health.

This represents the maximum amount of oxygen your body can utilize during intense physical activity. A high VO₂max correlates with reduced cardiovascular risk, greater endurance, and improved longevity and quality of life.

Your maximum heart rate (HRmax) is the highest heart rate achieved during the CPET. While it doesn't directly measure your fitness level, it helps determine training zones for your endurance workouts.

This indicates when your body begins shifting from aerobic metabolism to a mix of aerobic and anaerobic metabolism—essentially when it starts relying less on oxygen for energy. Improving VT1 reflects enhanced aerobic capacity, better mitochondrial efficiency, and increased recovery and performance capabilities.

This shows when lactate accumulates faster than your body can clear it, leading to rapid fatigue. Improving your VT2 heart rate means you can perform more intense activities before relying heavily on anaerobic metabolism, indicating better aerobic capacity and higher performance levels.

This identifies the heart rate at which your body uses the maximum percentage of fat for energy. Training at this heart rate can effectively promote fat loss. Regular training improves your mitochondrial efficiency, enabling faster fat-to-energy conversion.

The accompanying graph shows the VO₂max levels required for various everyday activities. It also shows how the VO₂max value naturally declines with age, making once-simple tasks progressively more challenging. For instance, while moderate jogging for an hour might feel easy at age 30, it becomes more demanding by your mid-50s.

With the Cardiopulmonary Exercise Test (CPET), we can determine your VO₂max and identify ways to improve it, helping you maintain ease in sports and daily activities as you age.

The orange line in the chart shows the typical average decline of VO₂max over time. The dashed turquoise line reflects what we aim to achieve with AYUN: enabling you to enjoy activities like hiking, gardening, or playing with your grandchildren—even into your 90s.

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