Both sit-ups and crunches can help target your core muscles, but there are key differences between the two ab workouts.

When we think of core exercises, standard moves like situps and crunches are often a go-to. But working the side body is an important piece of a well-rounded core routine that is sometimes overlooked.

It's hard to believe it's already September: The unofficial kickoff to fall when we wave goodbye to lazy schedules and fun in the sun for a return back to our normal routine. With a little more ...

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 ...