Welcome to Workout Diaries, a series where we ask expert trainers to talk us through what a week of exercise looks like for ...

This high-intensity session is designed for maximum effort, maximum effect—all in minimal time. But it's not easy.

Experts explain if 20 minutes of daily movement is enough to stay fit after 50, plus how to train smarter in a short workout.

Adding in some dynamic stretching (moving your muscles and joints through a full range of motion with no weight) is a great ...

Research has consistently found that low- to moderate-intensity workouts in the hours before bed aren’t harmful for sleep, and may even help you sleep more soundly.

Ready to run? Before you get going, keep this in mind: A good running route is integral to a successful endurance workout.

Another option to develop strength and power is to train on steep hills. One recent study found that hill runs developed ...