![Ben Bartlett on Twitter: "This is sometimes called the tennis racket theorem because you can't toss a tennis racket and spin it only about the handle. 🏸🎾 You can also see this Ben Bartlett on Twitter: "This is sometimes called the tennis racket theorem because you can't toss a tennis racket and spin it only about the handle. 🏸🎾 You can also see this](https://pbs.twimg.com/media/EEwhYnsU8AASmBZ.jpg)
Ben Bartlett on Twitter: "This is sometimes called the tennis racket theorem because you can't toss a tennis racket and spin it only about the handle. 🏸🎾 You can also see this
![Tennis racket with optical markers and corresponding wireframe model... | Download Scientific Diagram Tennis racket with optical markers and corresponding wireframe model... | Download Scientific Diagram](https://www.researchgate.net/publication/263480397/figure/fig1/AS:296384952586241@1447675087175/Tennis-racket-with-optical-markers-and-corresponding-wireframe-model-with-global-axis.png)
Tennis racket with optical markers and corresponding wireframe model... | Download Scientific Diagram
![Correlation Analysis Between Tennis Swing Features and Tennis Skillfulness Using Six-Axis Sensor | Semantic Scholar Correlation Analysis Between Tennis Swing Features and Tennis Skillfulness Using Six-Axis Sensor | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/55b41232508604892ba9f376e48745a4e81ec560/1-Figure1-1.png)