My glutes are still on fire.

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? While I can regularly throw down high mileage on the treadmill, nothing gets ...

If briskly climbing a flight of stairs (or a few) leaves you winded, it's no surprise. Stair climbing is a legitimate exercise — and an internationally recognized sport — that can improve your fitness ...