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 ...

A lot of people tend to pull their necks forward with their hands while crunching. Our core muscles are essential to everyday movement; we need them to walk, sit, and to lift and carry things. If you ...

"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 ...

The crunch is a classic ab exercise. It’s also pretty straightforward: Lie on your back with your knees bent and feet flat on the floor, contract your abdominals, and lift your shoulders, neck, and ...

Our core muscles are essential to everyday movement; we need them to walk, sit, and to lift and carry things. If you don’t do them right, you will likely feel tension in your neck, so be sure to use ...