"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 ...

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

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 ...

How many crunches can you do — and how does that stack up with others your age? That was the question posed by "FOX & Friends" on Monday, when fitness expert Joseph David challenged hosts Brian ...

Imagine this: You’ve fallen flat in a field, an entire football team is barreling toward you — and no one’s around to lend a hand. Could you get back on your feet? If the answer is no, it’s time to ...

Want to get rid of stubborn belly fat? Consider including reverse crunches into your fitness regimen. Reverse crunches are an excellent workout for strengthening your core, particularly the lower ...

Bicycle crunches are a great exercise for building core strength in runners – and they are a fair bit harder than they look. Now, we don’t have to remind you of the importance of doing strength ...

When most people think of a strong core or achieving abs, the first exercise that comes to mind is often sit-ups. While ...