A few years ago I taught English as a Second Language in Japan. I worked in nursery schools to junior high schools which involved a lot of standing and activities with the kids, yet I had loads of down time where I was basically hunched over my desk making lesson plans, scouring the Internet for new games and doing loads of trivia quizzes in between. After a while, I noticed a stiffness in my thoracic spine (thats the upper part of your back yeah). I’d just started delving