Add Yahoo as a preferred source to see more of our stories on Google. Woman performing hanging knee tucks. When you want to work your core, back, and arms in one go, then a hanging knee tuck needs to ...

Add Yahoo as a preferred source to see more of our stories on Google. Credit: Getty Images Workout challenges can be dumb, especially ones that involve your abs. Yet, we can't get enough of them, ...

Anyone interested in bodybuilding would be more than happy to know Arnold Schwarzenegger’s workout routine in his prime, but ...

While a lot of effective core exercises have you working out on a mat on the floor, there are other loftier options. Just look up to add some variety to your core routine, and try a hanging leg raise.