Free 30-day pass to Bally Total Fitness

Go here and sign up for a free 30-day pass to Bally Total Fitness.
http://health.discovery.com/national-body-challenge/national-body-challenge.html

You might want to be careful of some of these offers to join such clubs. I don't recall if Bally has been accused but some are using deceptive practices to claim people signed up for more than a free trial and then tried to collect on dues never knowingly agreed to.