Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? If you've completed a core workout—or 100 of them—over the years, you likely ...

What is the quickest and most efficient way of doing crunches? Here is the proper crunch form: Lie on your back, with your knees bent and your legs in the air. Your knees should be bent at a right ...

Looking to amp up your core workout with a move that really targets those stubborn lower abs? Enter the reverse crunch. This exercise zeroes in on those hard-to-reach lower abdominal muscles, helping ...