Add Yahoo as a preferred source to see more of our stories on Google. A lot of people tend to pull their necks forward with their hands while crunching. Our core muscles are essential to everyday ...

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 ...

Fact checked by Nick Blackmer Planks are better at building core strength because they engage the deepest layer of your ab ...

Cable crunches are safe and effective for strengthening your core, making them a staple exercise at the gym. The advantage of using cables is that they’re constantly providing tension. However, ...

"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 ...

If you’re looking to tone your core, the bicycle crunch is a good addition to your workout. It has the benefits of the standard crunch, but it engages additional core muscles — working your internal ...

While many workout regimens flame out as quickly as it took them to start trending, others stand the test of time. Exercises like tai chi, running, swimming, hiking and yoga, for instance, have been ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Crunches are the ...

Dr. Shields is a physical therapist with a background in English Literature and a passion for healthcare and education. She hopes to combine her clinical expertise with her love of writing, establish ...