
I was perusing a bunch of sports medicine stuff the other day, and I finally remembered to dig up the normal range of motion for the major joints. "Hip flexion: Flex knee and bring thigh close to abdomen," it says. "110-130 degrees." Well, given a few minutes to stretch, I can get my knee hooked around the back of my shoulder, which degree-wise is something in excess of a hundred and eighty. "Internal hip rotation: Flex knee and swing away from midline. 40 degrees." Sitting upright, I can press the top of one thigh to the floor, bend my knee all the way, and hook the arch of my foot over my bicep so that I can get a direct look at whatever part of my foot I've blistered this time. My toes rest just short of my shoulder. Fairly comfortable, actually. "Shoulder vertical extension: Raise arm straight backwards. 60 degrees. Shoulder horizontal extension: Swing arms horizontally backwards. 45 degrees." I crack my back by pushing both ...