Probably Hyperextended his back, resulting in a sprain.... it hurts like a bitch, trust me, it's when you back arches back farther than it can stretch and starts stretching the ligaments too far and some minor rips and shit... it hurts, yep, i fucked myself up a couple years ago biking and that's what happened, that and getting winded, bruised, and breaking my dad's helmet a bit... the only harsh thing was just my back after that.
g e t h y p e d . n e t
'I read this book, and the murderer/rapist was named Matt Harvey. It made me laugh while I read it.'