This simple floor exercise is redefining how Americans train their core—without crunches, machines, or strain on the spine.

Add Yahoo as a preferred source to see more of our stories on Google. Unlike regular crunches, which require lifting the upper body off the ground, reverse crunches involve lifting the hips and legs ...

I was doing an at-home workout the other night and didn't like one of the ab exercises the trainer had listed for the oblique muscles, so I decided to swap it out with a side-lying crunch. It's been ...

With holidays, year-end projects and family vacations, our fitness can fall short from time to time, but simple, “do anywhere” kind of moves can definitely help. Our move today is an Assisted Standing ...

Think endless sit-ups are the secret to toned abs? Top trainers say you’re wasting your time — and there’s a smarter way to build real core strength.

While the standard plank is widely incorporated into core workouts, the side plank is often overlooked. This variation of the plank targets the obliques, the muscles that run along the side of your ...

Summertime is surely upon us! Between 95-degree days and thunderstorms, it’s beach time and pool parties! I’m sure abs are at the top of all our fitness plans, which makes this week’s exercise a good ...

If you’re a little hazy on the difference between sit-ups vs. crunches, you’re not alone. They both strengthen your core, but the details on how they differ and the benefits of each can be confusing. ...

Juliana Spicoluk, cocreator of Boho Beautiful, classifies yoga as one of the main tools she uses to ease anxiety and stress. The certified yoga and Pilates teacher said that when it comes to flows ...

Welcome to Start TODAY. Sign up for our free Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Many people don’t use correct form when doing core ...