"Take a look down at yourself. Unless you’re the invisible man, you can probably see absolutely everything from the neck down. There’s your torso. Your arms. Fingers. Elbows. Belly button. Feet. Toes. It’s all there for your viewing pleasure. Now take a look at your favorite FPS."
I read an article a while back where DICE was talking about how Mirror's Edge inspired the climbing over low cover animation in BF3. It's funny I think that & climbing ladders are the only time you see your body in BF3 (except when handling guns of course.