The Sony Smart Tennis Sensor itself costs $199.99 while the attachments cost $9.99, available from Sony's online store as well as from Wilson.

As we swing into the warmer months, millions of athletes are perfecting their golf and tennis swings. All too often, these tee times and court times lead to appointment times … most notably in ...

A prototype was tested on hockey players during training. Linz says that by seeing exactly how different muscles were active when taking shots, the players were able to improve their technique.

The ability to quantify the physical aspects of a tennis swing—no matter the type of stroke—with actual data gives players and coaches a completely new tool. Offering up that data in real-time ...

When it comes to swinging, tennis star Mardy Fish's first inclination is with a racket. But as he explains, his swing works in many sports.