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

The seated crunch has become a popular choice for those who want to tone their abs without having to hit the floor. This move is especially beneficial for folks with physical limitations or those ...

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

Once you hit 60 and up, try to knock out 10 to 20 crunches in one sitting. “You’re a legend, and your core should reflect that!” David said. “The focus here is on maintaining mobility and ...

Whereas crunches specifically target your ab muscles ... You can do this by stacking a few floor mats, sitting on top of them, and then wedging your heels on the edge. You could also achieve ...

Crunches are essential for building core strength ... "Whether you're walking, working out or just sitting, your core muscles are engaged. If your core is weak, your back and other muscles ...