Why One Trainer Says 20-Minute HIIT Sessions Can Be Even More Effective Than Longer Classes

According to one trainer, when it comes to HIIT workouts, the shorter the better. Here's why 20-minute HIIT workouts can be so effective.

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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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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