CNN.com - Health: 7 fitness tools that tap the power of your friends

CNN.com - Health CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more.

7 fitness tools that tap the power of your friends Jun 3rd 2013, 13:54 Last November, avid biker Leon Shaner found himself pushing harder than usual to keep up with a new friend.

You are receiving this email because you subscribed to this feed at blogtrottr.com. If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions