Everyone knows exercise is good for your health. 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 ...

Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness ...

But what does exercise intensity mean? There is a linear relationship between heart rate and exercise intensity, meaning as ...

For instance, your heart rate typically increases during exercise or in times of stress ... such as: Here is a chart showing how the normal resting heart rate changes with age: In general ...