Quantification of Ergonomic Risk Factors in Southeastern Logging Operations by Stephanie Marie Lynch A dissertation submitted to the Graduate Faculty of Auburn University in partial fulfillment of the requirements for the Degree of Doctor of Philosophy Auburn, Alabama August 5, 2017 Keywords: Logging, Musculoskeletal disorders, Ergonomics, Vibration, Noise Approved by Richard Sesek, Associate Professor of Industrial and Systems Engineering Mathew Smidt, Professor of Forestry and Wildlife Sciences Sean Gallagher, Associate Professor of Industrial and Systems Engineering Robert Thomas, Professor Emeritus of Industrial and Systems Engineering Margaret Ross, Professor Emeritus of Educational Foundations, Leadership, and Technology