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 ...

Imagine this: You’ve fallen flat in a field, an entire football team is barreling toward you — and no one’s around to lend a hand. Could you get back on your feet? If the answer is no, it’s time to ...

While many workout regimens flame out as quickly as it took them to start trending, others stand the test of time. Exercises like tai chi, running, swimming, hiking and yoga, for instance, have been ...