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 ...

How to do a plank: step-by-step instructions for beginners. Here, Crunch Fitness master trainer Matthew Harling, CPT, CSC, CES, shares beginner-friendly instructions on how to do a plank. 1.

First, if you have any preexisting conditions, such as osteoporosis, talk to your doctor before starting any new exercises.

Over 40? If you can hold a plank this long with perfect form, your core strength is top-tier. See where you stand.

A plank is a full-body workout that tones your abs, glutes, arms and legs. Learn how to do plank variations to strengthen your core and reduce back pain. How to perfect your plank in 5 easy steps ...

Here, Frydberg shares how to do a rocking plank step-by-step. - Start by standing on your mat. - Hinge forward at the hips and walk your hands out into a plank. - Lower down onto your elbows.

The perfect plank duration might surprise you. Prepare to have your fitness world rocked. The optimal plank duration isn’t measured in hours or even many minutes.