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 ...

Our core is made up of four muscle groups that are essential to everyday movements, like walking and lifting. And when people think about core strengthening, crunches are often the first thing that ...

Ever look at someone and think, “Man, how many crunches does it take to look like that?” If you want to tone your abs, ...

Anyone who hits a gym regularly would have heard of bicycle crunches! They are a classic core-strengthening exercise that is a favourite of many trainers. Why? Because it makes you feel the burn in ...