One way that many cyclists and cycling coaches use to measure intensity is a term you’ve likely heard of: “Rate of perceived ...

In a population-based cohort of healthy adults, fasting plasma glucose was strongly associated with an abnormal heart rate recovery, even after adjusting for confounding factors. The association ...

The “zone zero” fitness trend promotes very low-intensity movement, like walking and housework. Here’s what it can — and ...

The rhythmic beating of your heart tells a more complex story than most realize. While standard health assessments typically focus on heart rate, the subtle variations between individual heartbeats ...