NEW YORK (Reuters Life!) - As the pros hit the courts for the start of the U.S. Open, tennis beginners and aces alike are burning calories and practicing their lobs, drop shots and backhands with ...

It took a while to find my tennis racket in the garage. I was about to try the latest fitness craze, Cardio Tennis, at the San Francisco Tennis Club, and I wanted to at least show up with equipment. I ...