Learn how to properly perform a plank with Holly Rilinger! This core-strengthening exercise is great for overall fitness.

How long should you be able to do a plank? According to fitness experts, it depends on your age.Planking is a ...

(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 ...

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 ...