A fitness trainer shared how many crunches people should be able to do according to their age. Here's what to know about the ...

Could you get back on your feet? If the answer is no, it’s time to start adding crunches to your workout routine to give your core the boost it needs. “Core work allows you the ability to pick ...

The reverse crunch is a simple core exercise that targets those hard-to-hit lower abs — without straining your neck and back.

No matter which variations you follow, crunches have the advantage over sit-ups of being able to better target abdominal muscles. "Because the movement is smaller, you can control momentum more," ...

Perform each move for 50 seconds, taking just 10 seconds of rest between each one. Complete all the moves, and then you're ...