(CNN) — After a long day, there is nothing quite like sinking into the comfort of your couch. But what if this simple pleasure could offer more than just the relaxation that comes from flopping down ...

YOU SPEND MUCH OF YOUR WORKDAY SITTING DOWN. NOT GREAT FOR FLEXIBILITY, ESPECIALLY AS WE GET OLDER. SO HOW DO WE BREAK OUT OF A LESS SEDENTARY LIFESTYLE? WELL, A LITTLE STRETCHING DOES GO A LONG WAY.