A simple, equipment-free exercise that fitness experts across the U.S. recommend for improving posture, core stability, and ...

The front plank exercise is commonly performed by athletes to improve core strength and stability, but unfortunately, it's commonly performed incorrectly. What may seem like a simple position to ...

Pilates pro Simone de la Rue demonstrates how to do a plank jack—aka the ultimate cardio and core-strengthening move—with proper form. A little known fact about planks: In addition to working nearly ...

Planks can help work your core muscles, as well as your upper and lower body. There are different types of planks that may have slightly different benefits. The plank is a classic exercise that works ...

Why one trainer calls the plank variation "no joke." ...

YOU PROBABLY THINK you know how to do a plank. The ab training staple is relatively simple, after all—boiled down to the basics, all you need to do is get down on the ground and hold in place.

While the standard plank is widely incorporated into core workouts, the side plank is often overlooked. This variation of the plank targets the obliques, the muscles that run along the side of your ...