Build strong core muscles without weights, just using these three crunch variations from a functional training coach.

Discover how planks strengthen your core, improve posture, and elevate your fitness routine with simple, effective strategies ...

How to do mountain climbers: Get into a high-plank position with your wrists directly under your shoulders. Keep your core ...

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Begin on your hands and knees. Fully extend your right arm and left leg, being careful not to arch your back. Then bring your ...

Keeping your chest up at all times, step forwards with one leg and bend your front knee until the back knee touches the floor. Stand up and immediately repeat with the other leg, lunging in a forwards ...

For those just learning to lift, the fewer the number of exercises, the better. “Two or three [per workout] on the low end,” says Eric Sung, C.S.C.S., a private trainer in New York.

Proper indoor rowing technique is key to reaping benefits and avoiding injury.

The best thing about the workout is that it's put together by a physical therapist, who we can all assume knows what exercises are best for lower back pain. Given the nature of this drill ...

Designed for runners, you can keep these in your back pocket for when you can’t get outside (and you’re sick of the treadmill ...