This ridiculously hard L-sit exercise works your entire body without moving a muscle. These are the progressions you can use to get strong enough to do it. Everyone likes a good challenge. That’s why ...

The classic sit-up is a workout staple. Whether you've become all too familiar with the movement in your weekend HIIT class or eked out those last few reps while following a home workout video, you've ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." If your body were a bicycle, your abs and back muscles—your core—would be the frame. You need a ...

To add this three-step Turkish get-up to your next core routine, sub it in anytime you might do a sit-up. Here’s how to perform it properly: Mallory Creveling is an ACE-certified personal trainer and ...

Core muscles wrap around the midsection like a girdle, forming a connecting link between the upper and lower body. They support, stabilize, and help move your spine, trunk, and pelvis, and most body ...

Dr. Shields is a physical therapist with a background in English Literature and a passion for healthcare and education. She hopes to combine her clinical expertise with her love of writing, establish ...

Add Yahoo as a preferred source to see more of our stories on Google. Woman doing sit-up with a dumbbell. You don’t need to hit the gym to get a quality core workout done. If you have a set of ...