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

Most abs workouts are done on the back, but the problem there is that – if you’ve left working your core until the end of your gym sesh – laying on the floor can be a pretty dangerous thing. Will you ...

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 ...