Once you can hold yourself at the top of a pull-up—chin over bar—for at least 10 seconds, it’s time to focus on lowering yourself slowly and with control. This is called the eccentric phase of a ...

You’ll find chest-focused exercises sprinkled throughout the six-week program, particularly on day three workouts. Movements like push-ups, presses, and skull crushers often appear in supersets with ...

We talked to the best dietitians, coaches, and doctors about the most tried-and-true ways to level up your miles.