See forehand racket face hits at the bottom of the webpage ? They say that rotation around the racket axis makes no difference because the ball leaves the strings in just 5 milliseconds but I'm not sure of that conclusion. I don't know much about lead tape but reducing the racket axial rotation on impact by placing lead tape on the side edges is probably an important use. The same 3D system might be used to get the complete motion of tennis rackets impacts with various amounts of lead tape. These $300K multi-camera systems are used to capture the movements of people wearing reflective markers for making video games and computer animations. Vicon is a company that does 3D high speed video for motion capture. Here is some more serious tennis research by the ITF.Īlso look up the work of Rod Cross on rackets, ball spins, kick serve, etc. Velocity - Put a scale in the video and you can measure velocity if a few geometric factors are properly considered. Kinovea tracking a ping pong ball marker on a tennis racket. Click to expand.Good problem but you would have to figure out what you want to measure and apply the Kinovea software.
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