How fast does your heart beat? It’s a tough question to answer, because our heart rate changes all the time depending on what we’re doing and how our body is behaving. However, [Ludwin] noted that ...

When it comes to exercising, your heart rate is the gold-standard metric to uncover how hard you're pushing. It tells you whether you're working aerobically or anaerobically, how your body is reacting ...

Keeping track of your heart rate while working out is now easier than ever, thanks to wearables like smartwatches and fitness trackers. However, the gold standard for heart rate data is a chest strap ...