A fun, family-friendly workout set to holiday music? Yes, please. "This is my dream come true, this class," says fitness instructor Rachel McClusky before diving straight into the full 10-minute ...

Every step you take during traditional cardio exercises could be slowly destroying your knees, hips, and ankles. The repetitive forward motion that defines most cardiovascular workouts creates a ...

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 ...

View post: We Put This Pair of Shorts Through a Week of “Everything” Training. It Quickly Earned Its Spot as the Most Versatile Short We’ve Found We Put This Pair of Shorts Through a Week of ...