The best core exercises don't necessarily require you to get on the floor. These seven standing variations are sure to ...

Naturally, your go-to core workout might include a variation of sit-ups, crunches, and planks. Because as a runner, you know how important training your midsection is to improve your performance. But ...

I don't care if you have visible abs or not, but I do care that you have a strong core. Why? Because in my opinion, a strong core is the root to all movement. You core helps you stand tall, it keeps ...