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 ...

Vanilla ice cream, a plain cheeseburger, that little black dress-sometimes keeping it simple is actually the most satisfying. That goes for the core move youve probably done in almost every workout ...

Variety is the spice of life, and that includes your core workout. So if your traditional plank hold (albeit effective) is feeling a little stale, add some heat with a side plank. “More balance, more ...