You're not alone if you wince when you think about doing a plank, sit-up, or crunch. I feel exactly the same way. Whether it's the burning in my abs or the requirement to be at one with my yoga mat, I ...

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 ...