Rotational Power for the Everyday Athlete, with David Otey | NSCA.com 

That would be difficult to add all of the research into a presentation that's already almost an hour. I'm sure he's got the studies...

Medicine Ball Training Implications for Rotational Power Sport Jacob E. Earp, MA, CSCS and William J. Kraemer, PhD, CSCS*D, FNSCA2; Whole-body, long-axis rotational training improves lower extremity neuromuscular control during single-leg lateral drop landing and stabilization☆ John Nyland Robert Burden Ryan Krupp David N.M.Caborn these are interesting!

Oh you are a professor just stay your lab

This comment is proof, you have no clue what you're talking about or asking. Where are the studies? There's a ton of peer reviewed research every where. Especially baseball, where rotational force, and deceleration are literally apart of a pitchers game.