If you’re preparing for a spring race, there will be a moment in the coming months when you look out the window, training plan in hand, and think, “Nope, not today.” Maybe the sidewalks are ...

From sprints to incline walking, the data shows which workouts burned the most fat – and why jogging isn’t automatically top ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. So where should you ...

The 15-15-15 workout helped this A-list stay active after injury, and it can help boost your cardiovascular fitness in just 45 minutes ...

Exercise is critical for your physical and mental health, but it’s harder to do if being outdoors seems unappealing or unsafe. And gym memberships can be pricey. The average monthly cost ($65) was up ...