Add Yahoo as a preferred source to see more of our stories on Google. How to do the perfect side plank, and how to make it easier (and harder). Planks are hard. Even just 30 seconds in plank position ...

Looking to tighten your core or build more defined abs? Crunches are not the only way to get there. One of the most effective and often overlooked core moves is the side plank. It targets your ...

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 ...