Gym machines help target and build specific muscle groups, making them great for ab exercise. Moves like the Pallof press, leg raise, and cable crunch work all the muscles of your core. Exercise like ...

Exercises like weighed sit-ups and lying leg raises can help build defined abs, physique coach Cliff Wilson said. You should train the abs like you train any other muscle by adding resistance, he said ...

For core workouts from Stephanie Mansour — plus fitness challenges, walking podcasts, meal plans and inspiration — download the Start TODAY app! When it comes to toning the abdominals, many of my ...