Glenn N. Williams, PhD, PT, ATC, SCS

Assistant Professor
Graduate Program in Physical Therapy & Rehabilitation Science

Education & Training

• 1992 B.S. in Physical Education/Exercise Science, The King's College, Briarcliff Manor, NY
• 1994 M.P.T. in Physical Therapy, Baylor University, Waco, TX
• 2004 Ph.D. in Biomechanics and Movement Science, University of Delaware, Newark, DE; Dissertation Title: Neuromuscular Function in the ACL Deficient and Reconstructed Knee; Mentors: Thomas S. Buchanan, PhD (Mechanical Engineering), Lynn Synder-Mackler, PT, Sc.D., ATC, SCS (Physical Therapy)

Research Activities and Interests

• Director, MUSCULOSKELETAL BIOMECHANICS AND SPORTS MEDICINE RESEARCH LABORATORY
• Director of Research, UNIVERSITY OF IOWA SPORTS MEDICINE
• Neuromuscular plasticity after joint trauma (e.g., ACL tear, meniscus tear, rotator cuff tear)
• Minimization of muscle atrophy and weakness after joint injury
• Neuromuscular control of the knee and shoulder joints
• Post-traumatic Osteoarthritis
• Neuromuscular plasticity with aging
• Comparative effectiveness research on musculoskeletal rehabilitation interventions

Teaching Responsibilities

• DPT Program
  • 101:172 Radiology & Imaging for Physical Therapists
  • 101:251 Critical Inquiry in Physical Therapy I (Coordinator)
  • 101:252 Critical Inquiry in Physical Therapy II
• PhD Program
  • 101:326 Scientific Writing in Rehabilitation Science
  • 101:220 Seminar in Rehabilitation Science (Coordinator)

Academic & Professional Activities

• American Physical Therapy Association, National Athletic Trainer's Association, American College of Sports Medicine, American Society of Biomechanics, Orthopaedic Research Society.

Selected Publications

• Krishnan C, Williams GN:Sex differences in quadriceps & hamstrings EMG-moment relationships.  Medicine & Science in Sports & Exercise, 41(8):1652-60, 2009
• Krishnan C, Allen EJ, Williams GN: Torque-based triggering improves stimulus timing in activation tests.  Muscle & Nerve 40(1):130-3,2009
• Krishnan C, Williams GN:  Evoked tetanic torque and activation level explain strength differences by side.  European Journal of Applied Physiology 106(5):769-74, 2009
• Krishnan C, Williams GN: Variability in antagonist activity and peak torque in isometric knee strength testing.  Iowa Orthopaedic Journal 29:149-58, 2009
• Wright RW, Preston E, Fleming BC, Amendola A, Andrish JT, Bergfeld JA, Dunn WR, Kaeding C, Kuhn JE, Marx RG, McCarty EC, Parker RC, Spindler KP, Wolcott M, Wolf BR, Williams GN.  A systematic review of anterior cruciate ligament reconstruction rehabilitation: Part I. Journal of Knee Surgery, 21(3):217-24, 2008
• Wright RW, Preston E, Fleming BC, Amendola A, Andrish JT, Bergfeld JA, Dunn WR, Kaeding C, Kuhn JE, Marx RG, McCarty EC, Parker RC, Spindler KP, Wolcott M, Wolf BR, Williams GN.  A systematic review of anterior cruciate ligament reconstruction rehabilitation: Part 2. Journal of Knee Surgery, 21(3):225-34, 2008
• Krishnan C, Huston K, Amendola A, Williams GN: Quadriceps and hamstrings muscle control in athletic males and females. Journal of Orthopaedic Research, 26(6):800-8, 2008, Epub ahead of print; Jan 18, 2008
• Krishnan C, Williams GN: Hamstrings activity during knee extensor strength testing: effect of burst superimposition.  Iowa Orthopaedic Journal, 28:36-41, 2008
• Williams GN, Jones M, Amendola A: Syndesmotic ankle sprains in athletes. American Journal of Sports Medicine, 35(7):1197-1207, 2007
• Barrance PB, Williams GN, Snyder-Mackler L, Buchanan TS: Do ACL injured copers exhibit differences in knee kinematics? An MRI study. Clinical Orthopaedics and Related Research. 454:74-80, 2007
• Amendola A, Williams GN, Foster D: Evidence-based Approach to Treatment of Acute Traumatic (High Ankle) Syndesmosis Sprains. Sports Medicine and Arthroscopy Reviews. 14(4):232-236, 2006
• Barrance PJ, Williams GN, Snyder-Mackler L, Buchanan TS: Differences in Tibiofemoral Kinematics in ACL Deficient and Uninjured Knees Described Using Cine Phase Contrast MRI. Journal of Orthopaedic Research, 24(2):132-140, 2006
• Tate CM, Williams GN, Barrance PB, Buchanan TS: Lower Extremity Muscle Morphology in Young Athletes: An MRI Analysis. Medical Science in Sports and Exercise, 38(1):122-128, 2006