As a Pilates instructor, one of the most valuable lessons I teach is how to sit and stand properly. Yes, the 100s are a great ab exercise, but folks sit and stand all day long, easily undoing their hard work. Poor posture can lead to many overuse injuries and, on the vanity side of things, make you look shorter and 10 pounds heavier. Since none of us can afford to have a Pilates instructor poke Read more