How to do the “rainbow”—the exercise that keeps Adriana Lima’s butt toned

The Victoria's Secret Angel just shared the "rainbow"—the move she uses to keep her butt toned. Here's how to do it.

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Photo: Instagram/@adrianalima

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.

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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.

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Photo: Stocksy/Bo Bo