The key is knowing how to do a plank, however. As good as the exercise is, you have to do it exactly right to reap the benefits. As one of the best core exercises to do at home, the plank can also ...

No one is immune to a little back pain now and again, so luckily, there's the aptly-named Superman exercise. It's a simple, accessible move that improves spine flexion, eases stiffness, and improves ...