Editor’s note: Before beginning any new exercise program, consult your doctor. Stop immediately if you experience pain. Planks are widely considered by fitness experts to be a fantastic exercise to ...

If you’ve ever tried them, you know side planks are challenging­—even more than regular planks. But they’re a critical move, says Keli Roberts, an exercise physiologist with the American College of ...

A staple of many core workouts, most runners will be familiar with the side plank exercise. But you may be surprised to learn that it's one of the best exercises you can do for working your deep core.

Once you’ve mastered forearm planks and side planks — two staple variations of the ab exercise — it might be time to take things up a notch with side plank dips. This combo core move challenges your ...