Fitness and wellness expert Michele Cuffe demonstrates the proper way to do the plank exercise and shares the amount of time everyone should be able to do it depending on their age.

(CNN) — Planks are widely considered by fitness experts to be a fantastic exercise to strengthen the muscles in your core and elsewhere, no matter your age or physical fitness level. There are ...

If you wince when you think about ab workouts, you're not alone. Pilates enthusiasts aside, most of us don't enjoy working our core muscles with exercises like planks and crunches, which is why ...