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

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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 ...

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," ...

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 ...

Reverse crunches target the lower abs and tone the lower belly pooch by working the rectus abdominis, transverse abdominis ...

Exercises like tai chi ... "Laying on your side as you do crunches will also target your oblique muscles," says Hess. Lifting your head and shoulders to one side or the other or engaging in ...

Wall sits are a powerful isometric exercise that strengthens your core, legs, and lower back. Adding a reach engages your obliques, making this move even more effective for shrinking belly fat. It ...

However, David says there are a certain number of crunches people in each age group should be able to do and revealed what it means about your fitness if you cannot. David told Fox News ...