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When you hear the words “core workout,” you probably think of the planks and crunches you bust out after spending 30 minutes on the treadmill, or the sit-ups you do during Mad Men commercial breaks.

This eight-minute workout is the secret to firing up your core muscles and building strength and stability in your midsection ...

If you’re looking to build a strong and stable midsection, I’ve got good news — you don’t need to spend hours in the gym lifting weights to get results. In fact, you can work on your abs from home, ...

Many people don’t use correct form when doing core workouts, which puts stress on the neck and back. Neck pain is an especially common complaint when people do abdominal crunches. Although crunches ...

This one’s an abs-olute winner. A classic, fit-for-all workout is back in the spotlight after a popular workout video resurfaced, showing a fitness influencer’s surefire way to a rock-hard core using ...

The deep core refers to the muscles behind your abs. While you can't see them, this trainer says they're just as important ...

Sit-ups (where the upper body is lifted completely) and crunches (where only the shoulder blades lift off the ground) are classic abdominal exercises. Photo: Getty Images Sit-ups and crunches are two ...

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 ...