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Differentiating Between Spin Axis and Spin Angle – (13:26)

We compare and contrast spin axis with spin angle to help differentiate between two terms that are used interchangeably on occasion.

Works Cited: Factors determining the spin axis of a pitched fastball in baseball (Jinji, Sakurai, Hirano, 2011)
Describing baseball pitch movement with right-hand rules (Bahill and Baldwin, 2007)
Direction of Spin Axis and Spin Rate of the Pitched Baseball (Jinji and Sakurai, 2006)
Spin on Fastballs Thrown by Elite Baseball Pitchers (Nagami et al, 2011)
How baseball spin influences the performance of a pitcher (Nagami, Higuchi, and Kanosue, 2011)
Determining the 3D Spin Axis from Statcast Data (Nathan, 2015)
Image from Sons of Sam Horn Baseball
Graphic from Tom Tango’s twitter account (https://twitter.com/tangotiger/status/1059524748995104770)
Video from Eric Jager’s twitter account (https://twitter.com/ericjagers/status/1048661291647336450)

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