If you're a lifelong powerlifter or bodybuilder, there's a good chance you're more concerned about growing your glutes, carving your core, or building your biceps than boosting your VO2 max. But for ...

Heart rate reserve (HRR) is the difference between your resting heart rate and your maximum heart rate. Knowing this number can help you train and work on your fitness goals. Your heart rate reserve ...

The target heart rate is how fast the heart should beat during physical activity. Calculating the target heart rate and comparing it with the actual heart rate can help a person work out if their ...

Heart rate recovery (HRR) is the capacity for the heart to return to its natural rate after elevation. It generally measures how quickly the heart rate decreases after exercise. Someone’s heart rate ...