You should want to know your VO2 max for many reasons. Athletes who seek optimal performance by taking part in competitions learn valuable information from tests that measure your maximum heart rate, ...

Medically reviewed by Oluseun Olufade, MD VO2 max measures the maximum amount of oxygen your body can use during exercise. It ...

VO2 max is a marker of fitness, historically used by athletes. Now, many wearable fitness users have access to estimates of their VO2 max, sparking interest in this once-niche health metric. So, we ...

VO2 max is widely known as a gold standard of aerobic fitness. It shows up on watches, in training apps, and across social media as a benchmark for comparison. But the number you’re seeing might not ...