Give your core a dynamic workout with a medicine ball ...

For a twist, add a medicine ball: Keep your arms straight and core engaged during this move. (Getty Images) I'll admit it: For years, I avoided adding a medicine ball to my workouts. Frankly, I was ...

There are so many effective ways to work your core at the gym and at the home. You could grab a kettlebell and do a full-body routine with sneaky abs engagement, do bodyweight abs moves like plank ...