Work your shoulders and your abs with this exercise. Lie on your back with your hips and knees both at 90-degree angles, using your low abs to press your lower back into the mat. Raise your arms ...

We're adding a (literal) twist to the cable crunch here too in that you'll go from that standard rep to a rep with a more oblique focus. Think about letting this twist start just below your chest; ...

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 ...

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 ...