Fitness businesses
BY Jennifer Wang
Tech companies are taking the tedium out of training. Here are a few of our favorite digital fitness options. Four Fitness Startups Find a Unique Workout Niche
BY Katherine Duncan
Boutique health clubs are competing with established players like 24 Hour Fitness by creating unique ways to break a sweat. Here are four that are changing the way we work out. How Fitbit Is Cashing in on the High-Tech Fitness Trend
BY Jennifer Wang
How the device manufacturer is building a following by enhancing users' workouts through gaming and community-building. Harvard Grads' Startup Rewards Gym Rats, Penalizes Couch Potatoes
BY Jodi Helmer
An Ivy League economics assignment becomes a profitable business proposition: Work out or pay up. Fitness Franchises Muscle Up
BY Sarah Max
January is when Americans migrate from the bottomless eggnog bowl to the gym. Not surprisingly, fitness clubs win at least a third of all new memberships at the start of the year. 10 Industry Trends for Franchises in 2012
BY Tracy Stapp
From burgers to child care to staying fit, our annual list of trends in the franchise world shows where to consider putting your money to make money. How Two Long-Time Buddies Launched a Top-Grossing App
BY Gwen Moran
The founders of fitness app developer Abvio share the secret to their super-fast success.Play Video The Innovators: Nifty After Fifty's Sheldon Zinberg (Video)
The founder of a fitness center for 50-somethings shares his views on pioneering a new business concept. (02:42) 
