Sam Groth Serve It’s a world record: 163.4 mph, or so they say. That was a serve hit by Sam Groth. And here is his motion from multiple angles at 240 frames a second. It’s an interesting combination of technical...
The so-called windshield wiper motion is a dynamic element in the pro forehand that allows players to create tremendous shot...
At a birthday party for Steffi Graf's long-time coach Pavel Slozil I asked my friends JoAnne Russell and Mary Carillo...
What is the international demographic portrait of a future pro champion? In this fascinating second interview Paul Lubbers explains that future top hundred pro players are virtually all in the system playing national events in the 12s, regardless of nationality....
Is Roger Federer the greatest player of all time, or is it Rafael Nadal ,or was it really Pete Sampras? Or Rod Laver? Or someone else? The argument will continue indefinitely. But an unbiased examination of the actual history of...
The pro forehand in modern tennis is one the most complex biomechanical motion in sports. It's also one of the most misunderstood. In some ways the development of video data bases of the strokes of top players has actually increased...
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