According to a Pilates pro, the proper form for crunches doesn't involve crunching up with your hands behind your head because it can lead to neck pain. If someone tells you to drop down and knock out ...

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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." If you've completed a core workout—or 100 of them—over the years, you likely know what crunches are ...

Planks are better at building core strength because they engage the deepest layer of your ab muscles. Crunches mainly target the surface abs—the “six-pack” muscles—and are better at improving ...

A PT explains what these numbers actually mean, and why quality reps and proper form matter more than chasing high totals ...

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 ...

Anyone who hits a gym regularly would have heard of bicycle crunches! They are a classic core-strengthening exercise that is a favourite of many trainers. Why? Because it makes you feel the burn in ...