The Back Squat: A Proposed Assessment of Functional Deficits and Technical Factors That Limit Performance. - Myer, Gregory D.; Kushner, Adam M.; Brent, Jensen L.; Schoenfeld, Brad J.; Hugentobler, Jason; Lloyd, Rhodri S.; Vermeil, Al; Chu, Donald A.; Harbin, Jason; McGill, Stuart M. (Strength & Conditioning Journal, 2014)