Celeb trainer David Kirsch uses this two-step plank variation with clients like J.Lo

Want to sweat like J.Lo? Celeb trainer David Kirsch uses this two-step glider plank variation with his clients. Here's how to complete the move.

alt
Photo: Instagram/@jlo

If Your Fitness-Focused New Year’s Resolution Isn’t Working, Try These 5 Expert-Backed Tactics

New Year's resolution not working out for you? Don't stress. Try these five New Year's resolution alternatives backed by experts.

alt
Photo: Stocksy/ZQZ Studio

4 Beginner Treadmill Workouts for When It’s Too Cold to Get Your Steps Outside

Can't get your steps in outside? Don't worry: Try one of these expert-backed beginner treadmill workouts instead.

alt
Photo: Stocksy/Bo Bo