Pretty much every fitness tracker and smartwatch has an optical heart rate sensor, but they're not always perfectly accurate.

A fitness expert explains the benefits of training with kettlebells and the best kettlebell exercises for a lean waistline.

Building a strong core is essential for strength, balance, and stability. Perform these beginner-friendly exercises 3–4 times ...

Connected fitness is so 2022. These brick-and-mortar spots are the best places to sweat, lift, and train in America.

SCREENING checks are one of the best ways to detect cancer in its earliest stages, when treatment is more likely to be ...

IT’S that time of year where we’re greeted by a cacophony of coughs, sneezes and sniffles wherever we go. You might think a cough is a cough, but different conditions will produce a ...

For athletes in certain sports, a deeper squat may be necessary. In addition to powerlifters, Guadarrama says, Olympic lifters —who need to be strong in a deep squat position for snatches—will want to ...

A trainer explains how to build your biceps and breaks down his five best strength workouts for sleeve-busting biceps.