If your heart rate goes above your target range, you might be pushing yourself ... you can do the math or use an online calculator. Then take your pulse during your workout to track your heart ...

So how do you know if your workout is moderately intense? Calculate your target heart rate zone and work to stay in the middle of that zone while you’re doing your cardio. Here’s how you do it ...

Calculate your heart rate reserve (HRR): MHR - RHR = HRR Apply the Karvonen formula: (HRR x % intensity) + RHR = target heart ...

But a more subtle aspect of cardio training involves targeting a particular heart rate zone, like zone 2 heart rate, to reap its unique benefits. Zone 2 cardio rate training means working in one ...