Squats will always light up your glutes and quads. But the cardio king of the squat family-the squat jack-does so much more. For starters, it burns calories like crazy. And since you crank out tons of ...

Fitness instructors LaToya and Julius guide us in a 20-minute Tabata workout with a warm-up and cool-down focusing your entire body, including both standard and modified versions of each exercise.

Leg day doesn't have to last a long time — just ask ACE-certified personal trainer and Under Armour trainer Ariel Belgrave, who created this 20-minute lower-body HIIT workout. The session is part of ...

The purpose of high-intensity interval training (HIIT) is to challenge the body by frequently changing the intensity of the exercise and the type of movement you are doing. For example, adding a set ...

Each branch of the armed forces uses a simple bodyweight exercise to keep everyone in peak physical condition — they clearly understand the benefits of jumping jacks! While exercises like squats, ...

This isn’t your standard New Year’s plan. No restrictive diets, no weekly weigh-ins, no “whole new you” for this new year—because, hey, you’re pretty great already. These four expert-led ...

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When we're trying to drop unwanted pounds, one of the first thoughts that comes to mind is getting more exercise. But as it turns out, exercise might not do much for our weight loss efforts. According ...