
Course
Complete all of the lessons to earn your unofficial master’s degree.
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Associates
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Bachelors
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Pronators vs. Supinators
Learn what pronators and supinators are, and the differences between the two.
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Horizontal and vertical break
Find out about the way pitches move and how they can be effective.
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Spin-Rate and Spin-Direction
Learn about why pitchers are able to throw fastballs that rise, breaking balls that dive, and everything in between.
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Masters
Retake this course?
Retaking this course from the beginning will reset all of your tracked progress.