Runners, cyclists and gym-goers with wearable fitness trackers are no doubt familiar with the five "heart rate" zones.

For years, the gold standard for gauging workout intensity was often a simple "how you feel" metric. And while perceived exertion is still used by many exercisers and athletes today, it’s a bit like ...

Here's why you should be using Apple's Heart Rate Zones.

The basic appeal of heart rate-based training is that it offers a scientific approach to optimize your workouts. Whether you’re putting in miles before a marathon, prepping for a big game, or simply ...

Cardiorespiratory fitness exercise, often called aerobic or “cardio” training, is important for heart health, weight control, and overall fitness. This training can be broken down into five categories ...

The debate about how hard to push during exercise has persisted for decades, with fitness approaches swinging between high-intensity interval training and gentler, steady-state activities. However, ...

Hunter Bennett does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Moderate intensity exercise encompasses activities that are somewhat challenging for you to perform and raise your heart rate. It may help lower your blood pressure and cholesterol, balance your blood ...