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 ...

We love a plank hold as much as the next girl, and we’ll bicycle kick our way through just about anything. But if you’re looking for new ways to work your core that don’t involve face planting ...

This exercise works the muscles in your side abs (external and internal obliques). PROGRESSION Do 2 to 3 sets of 8 to 15 reps. MOVEMENT *Lie on your left side with your feet stacked on top of each ...

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 ...

I'm a personal trainer who's certified in Pilates, but I first discovered the popular workout while searching for relief for my low-back issues. Pilates focuses the deep abdominal muscles, including ...