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

On average, David said the minimum number of crunches you should be able to do varies by age group. As we get older, our muscle mass and strength naturally declines, making exercises like crunches ...

It's not that difficult to do but the form plays a pivotal role in giving you effective results. Bicycle crunches can be easily learnt, but they work best only when they are performed with proper ...

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," ...

The ab crunch. You can add weight if you want, or even extend the number of crunches you do. This is all about mind-muscle connection; minimal movement with big results. So concentrate on the ...

Whereas crunches specifically target your ab muscles, sit-ups activate more muscles than just those in your core. Here are the main differences between the two exercises and how to do them properly.

The ab crunch. You can add weight if you want, or even extend the number of crunches you do. This is all about mind-muscle connection; minimal movement with big results. So concentrate on the ...