But how do you know if you're getting the most out of your workout? An easy way to find out is by knowing your target heart rate. A normal resting heart rate is usually between 60 and 100 beats ...

Measure your pulse first thing in the morning before you get out of bed. Calculate your heart rate reserve (HRR): MHR - RHR = ...

The shock index calculator can identify patients at risk of deterioration, even when other vital signs seem normal ...

You need an accurate max heart rate to set your zones properly (more on that below), and an age-based formula is not guaranteed ... Zone 4 is when things get intense, usually for just a few ...

The truth is that age alone doesn’t determine a person’s max heart rate, so no matter what numbers you use to create an age-based formula, you’re just not going to get a useful result.

This secret to improving your cardiovascular health and endurance: zone 2 heart rate training. Zone 2 cardio rate training means working in one of five heart rate zones at 60-70% of your max heart ...