Step-ups are another perfect example. Every time you walk up a flight of stairs, hike up a hill, step up into an SUV, or even get up from kneeling, you’re doing a version of a step-up. Step-ups are ...

I’m no stranger to the basic step-up exercise; you know, the one performed facing a step or bench, which, done properly, reminds you of taking two steps at once when climbing the stairs full of ...