Fitocracy is a social game that harnesses the power of feedback loops to promote fitness. [more inside]
Why is the Planet Fitness chain of health clubs trying to alienate people who love to work out? [Via Slate.com] "Maybe you've seen the one where a greased up Schwarzenegger-type swaggers through the gym repeating the mantra, "I pick things up and put them down." Or the one where another "lunk"—that's what Planet Fitness calls these sorts of people—struggles to tie his shoes. A third shows a screaming gym buffoon as he fills out a membership application, flexing and making sound effects as if he's maxing out on the squat rack. "Not his planet, yours," reads the tag line."
Mark Twight, a prominent alpinist, is the founder of Gym Jones. His training of the actors of 300 has inspired "the 300 workout" as well as some detractors. (previously)
Gyminee is a truly excellent web app that lets you track workouts, nutrition and fitness goals. Prints grocery lists, lets you find workout buddies, etc. Very aesthetically pleasing, too. Considerably easier to use than Fitday, which a lot of people swear by.
The Arnold Schwarzenegger Total Body Workout (MP3 clips). You'd think the classic Arnie cover was entertaining enough.