Sneaker: Newton Running
This is an ongoing controversy, as scientists and runners squabble continuously over what exactly constitutes "proper" running form. Newton Running, a Boulder-based company whose roots go back to the mid-'90s, is planted firmly in the forefoot/midfoot camp, and their unique shoes are perfectly constructed for that kind of gait. We won't even get into Vibram Fivefingers.
22. No apples required.