Of all the available health and fitness metrics, VO₂ max is one of the most important. “VO₂ max is the amount of oxygen that ...

To find your max heart rate, subtract your age from 220. Keeping track of your heart rate while you work out can also help make sure you're exercising safely. If your heart rate goes above your ...

Per Health Central, good heart rate recovery by age (including your ideal maximum heart rate, which shows a good amount of beats per minute you should reach when trying your hardest) is ...