Electronic Theses and Dissertations





Date of Award


Document Type


Degree Name

Master of Science


Health and Sport Science


Exercise and Sport Science

Committee Chair

Max R Paquette

Committee Member

Brian K Schilling

Committee Member

Lawrence W Weiss


Current baseball pitching research has focused primarily on pitcher upper extremity kinematics and kinetics. However, pitching is a full body motion where the stride leg forms a closed kinetic chain that stabilizes the pitcher as they land down the pitching mound and serves as an anchor for the pitcher to pivot around. This single-leg landing motion can occur up to 100 times per game. As such, pitchers may be susceptible to stride knee musculoskeletal injury risk. According to current statistics, 17% of pitcher injuries occur in the lower extremities. Therefore, the purpose of this study was to assess the effects of pitch repetition on 3D stride knee angles and moments in collegiate baseball pitchers. 3D stride knee angles and moments were measured during the first and last inning pitched in a simulated pitching outing. No significant change occurred in 3D stride knee angles and moments from the first inning pitched to the last inning pitched. Our findings suggest that pitch repetition may not affect 3D stride knee angles and moments, therefore may not be a primary mechanism for knee joint injury.


Data is provided by the student.

Library Comment

dissertation or thesis originally submitted to the local University of Memphis Electronic Theses & dissertation (ETD) Repository.