Behind the Numbers: How a VO₂ Max Machine Measures Your True Fitness Level
In a world obsessed with step counts, calorie trackers, and heart rate monitors, one metric stands out for its ability to provide a true picture of cardiovascular fitness: VO₂ max. It’s considered the gold standard for measuring aerobic endurance and athletic potential. But what exactly is VO₂ max, and how does a machine determine this…
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