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 ...

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 ...

If you're fanatical about powerlifting or new to lifting, you're likely more concerned with shoulder workouts and perfecting ...