Exercises that combine cardio and strength training are a one-way ticket to a more efficient workout, and squat jacks are one of the best moves around, explains certified personal trainer Lisa Tanker.

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 ...

Over the last few years, pop culture has veered away from the super-skinny physique, and replaced it with the strong, fit and curvy body. Thanks to celebrities like Beyoncé, Jennifer Lopez and Kim ...

Check out Women's Health's Fitness Faceoff every week to learn which moves will best help you reach your fit goals. Here's this week's faceoff: High intensity moves are the best way to set fat on fire ...

When it comes to warming up, what do you do? I guess it depends on what kind of exercises you have planned. But at any rate, you want your muscles warm and your heart pumping. So, obviously, you have ...

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 ...