The 500 Rep Leg Assassin Workout Welcome to this week’s workout challenge, where you’re going to be getting an awesome lower body workout. And trust us, it’s a doozy! Actually, it’s about 500 doozies. Most people think you can’t develop strong, muscular legs with just bodyweight exercises. But this workout proves otherwise. At first glance, the workout may seem easy, because the instructions are pretty simple. But give it a shot and you’ll see how challenging it really is. We’re…