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 ...

Sit-ups can be a great way to strengthen your abdominal muscles that sit around your stomach. But they can quickly get repetitive and its easy to accidentally lose your form, so when boredom strikes, ...

Our core is made up of four muscle groups that are essential to everyday movements, like walking and lifting. And when people think about core strengthening, crunches are often the first thing that ...

Core strength, demonstrated by crunches, is vital for stability, spinal protection, and pain-free movement at all ages. While ...

Still doing sit-ups for a flat stomach? Science says stop. Discover the 'internal corset' exercise that tightens your waist ...

If your goal is to strengthen and stabilize your core, I’ve got some good news — you don’t need to be doing crunches. While crunches are great for targeting the top layers of your abdominals (those ...