The starburst side plank variation strengthens the shoulders, abs and obliques. Here's why we love it at Tom's Guide.

I don’t love planks. There I said it. Isometric exercises (or holding one position) are not my thing. I prefer other types of core exercises (hi dead bugs, bicycle crunches, inchworms, or V-ups!) over ...

The fitness world has embraced a new champion in core training, and traditional sit-ups have taken a backseat. The plank, despite its deceivingly simple appearance, has captured worldwide attention ...

Imagine doing a pushup and holding it as long as possible while leaning on your forearms or hands and staying off the floor with your upper and lower body and butt in a linear position. It’s called a ...