Physical Therapy and Rehabilitation Science

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

Portrait

Associate Professor of Physical Therapy and Rehabilitation Science

Contact Information

Primary Office: 1-247 Medical Education Building
Iowa City, IA 52242
Primary Office Phone: 319-335-6985

Email: glenn-williams@uiowa.edu
Web: Musculoskeletal Biomechanics and Sports Medicine Research Laboratory

Education

BS, Physical Education/Exercise Science, The King's College, Briarcliff Manor, NY
M.P.T., U.S. Army-Baylor University Graduate Program in Physical Therapy, Baylor University, Waco, TX
PhD, Biomechanics and Movement Science, University of Delaware, Newark, DE

Licensure and Certifications

Licensed Physical Therapist Iowa State Board of Licensing
Athletic Training National Athletic Trainer's Board of Certification
Sports Physical Therapy American Board of Physical Therapy Specialties

Education/Training Program Affiliations

Biosciences Graduate Program

Research Summary

Musculoskeletal biomechanics and sports medicine research; 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

All Publications

Klocke N, Amendola A, Thedens D, Williams G, Luty C, Martin J, Pedersen D.  Comparison of T1ρ, dGEMRIC, and quantitative T2 MRI in preoperative ACL rupture patients..  Acad Radiol.  2013 January 20. 

Jarvis J, Meintjes G, Rebe K, Williams G, Bicanic T, Williams A, Schutz C, Bekker L, Wood R, Harrison T.  Adjunctive interferon-γ immunotherapy for the treatment of HIV-associated cryptococcal meningitis: a randomized controlle trial. .  AIDS.  2012 June. 

Williams G, Shaffer M.  Anterior Cruciate Ligament Rehabilitation.  Springer.  2011. 

Krishnan C, Allen E, Williams G.  Effect of Knee Position on Quadriceps Muscle Force Steadiness and Activation Strategies.  Muscle & Nerve.  2011. 43(4):563-573.
[PubMed]

Krishnan C, Williams G.  Factors explaining Chronic Knee Extensor Strength Deficits after ACL Reconstruction.  Journal of Orthopaedic Research.  2011. 29(5):633-640.
[PubMed]

Pedersen D, Klocke N, Thedens D, Martin J, Williams G, Amendola A.  Integrating Cartilage-Specific T1rho MRI into Knee Clinic Diagnostic Imaging.  Iowa Orthopaedic Journal.  2011. 31:99-109.
[PubMed]

Williams G.  Factors Contributing to Side-to-Side Strength Differences in People 2 to 15 years after ACL Reconstruction.  2010 February. 

Krishnan C, Williams G.  Error Associated with Antagonist Muscle Activity in Isometric Knee Strength Testing.  European Journal of Applied Physiology.  2010. 109(3):527-536.
[PubMed]

Cox E, Cohen E, Mellecker C, Raw R, Fraser A, Williams G, Albright J.  Intraoperative Femoral Nerve Stimulation in Evaluation of Patellar Tracking: Tourniquet Effects and Catheter Placement.  Iowa Orthopaedic Journal.  2010. 30:104-108.

Williams G, Krishnan C.  Quantification Method Affects Estimates of Voluntary Quadriceps Activation.  Muscle & Nerve.  2010. 41(6):868-874.
[PubMed]

Williams G, Allen E.  Rehabilitation of Syndesmotic (High) Ankle Sprains.  Sports Health.  2010. 2(6):460-470.

Williams G.  T1rho Imaging of Cartilage in the First Year after ACL Injury.  2009 October. 

Williams G.  Assessment of the Pressore StepTM System as an Extended Wear Weightbearing Activity Monitor.  2009 August. 

Williams G.  Effect of Knee Joint Angle on Quadriceps Muscle Force Steadiness.  2009 May. 

Williams G.  Development of an Efficient MRI-based Method of Assessing Trophic Changes in Quadriceps Muscle Size.  2009 February. 

Williams G.  Differences in Knee Extensor Peak Torque are Explained by Quadriceps Activation Levels.  2009 February. 

Williams G.  Effect of Knee Joint Angle on Quadriceps Muscle Force Steadiness.  2009 February. 

Krishnan C, Williams G.  Evoked Tetanic Torque and Activation Level Explain Strength Differences by Side.  Journal of Applied Physiology.  2009. 106(5):769-774.
[PubMed]

Krishnan C, Williams G.  Sex Differences in Quadriceps & Hamstrings EMG-Moment Relationships, Medicine & Science in Sports & Exercise.  Medicine and Science in Sport and Exercise.  2009. 41(8):1652-1660.
[PubMed]

Hewett T, Beynnon B, Devine J, Williams G.  Sports Rehabilitation (Chapter 48).  Rosemont: American Academy of Orthopaedic Surgeons.  2009. 

Krishnan C, Allen E, Williams G.  Torque-based Triggering Improves Stimulus Timing in Activation Tests.  Muscle & Nerve.  2009. 40(1):130-133.
[PubMed]

Krishnan C, Williams G.  Variability in Antagonist Muscle Activity and Peak Torque in Isometric Knee Strength Testing.  Iowa Orthopaedic Journal.  2009. 29:149-158.
[PubMed]

Williams G.  Effect of Quantification Technique on Estimates of Quadriceps Muscle Activation.  2008 February. 

Williams G.  Error Associated with Antagonist Muscle Activity during Isometric Knee Strength Testing.  2008 February. 

Williams G.  Minimization of Quadriceps Muscle Atrophy and Dysfunction after ACL Injury: A Case Study.  2008 February. 

Wright R, Preston E, Fleming B, Amendola A, Andrish J, Bergfeld J, Dunn W, Kaeding C, Kuhn J, Marx R, McCarty E, Parker R, Spindler K, Wolcott M, Wolf B, Williams G.  A Systematic Review of anterior cruciate ligament reconstruction rehabilitation: Part II, open versus closed kinetic chain exercises, neuromuscular electrical stimulation, accelerated rehabilitation, and miscellaneous topics.  Journal of Knee Surgery.  2008. 21(3):225-234.
[PubMed]

Wright R, Preston E, Fleming B, Amendola A, Andrish J, Bergfeld J, Dunn W, Kaeding C, Kuhn J, Marx R, McCarty E, Parker R, Spindler K, Wolcott M, Wolf B, Williams G.  A Systematic Review: of anterior cruciate ligament reconstruction rehabilitation: Part I: continuous passive motion, early weight bearing, postoperative bracing, and home-based rehabilitation.  Journal of Knee Surgery.  2008. 21(3):217-224.
[PubMed]

Krishnan C, Williams G.  Hamstrings Activity during Knee Extensor Strength Testing: Effect of Burst Superimposition.  Iowa Orthopaedic Journal.  2008. 28:36-41.

Krishnan C, Huston K, Amendola A, Williams G.  Quadriceps and Hamstrings Muscle Control in Athletic Males and Females.  Journal of Orthopaedic Research.  2008. 26(6):800-808.
[PubMed]

Williams G.  Antagonistic Muscle Activity in Isometric Knee Strength Testing.  2007 February. 

Williams G.  Quadriceps & Hamstrings Muscle Control in Athletic Males & Females.  2007 February. 

Williams G, Krishnan C.  Articular Neurophysiology & Sensorimotor Control (Chapter 9).  Saunders-Elsevier Health Sciences.  2007. 

Barrance P, Williams G, Snyder-Mackler L, Buchanan T.  Do ACL injured copers exhibit differences in knee kinematics? An MRI study.  Clinical Orthopaedics and Related Research.  2007. 454:74-80.
[PubMed]

Williams G, Jones M, Amendola A.  Syndesmotic Ankle Sprains in Athletes.  American Journal of Sports Medicine.  2007. 35(7):1197-1207.
[PubMed]

Williams G.  Antagonist Muscle Activity during Maximal Isometric Knee Strength Testing.  2006 August. 

Williams G.  Quadriceps and Hamstrings Muscle Control in Male and Female Athletes.  2006 August. 

Williams G.  Antagonist Muscle Activity during Maximal Isometric Knee Strength Testing.  2006 July. 

Williams G.  Sensorimotor Control of the Knee in Male and Female Athletes.  2006 July. 

Barrance P, Williams G, Snyder-Mackler L, Buchanan T.  A Comparison using Dynamic MRI, Journal of Orthopaedic Research.  Journal of Orthopaedic Research.  2006. 24(2):132-140.
[PubMed]

Amendola A, Williams G, Foster D.  Evidence-based Approach to Treatment of Acute Traumatic (High Ankle) Syndesmosis Sprains.  Sports Medicine and Arthroplasty Reviews.  2006. 14(4):232-236.
[PubMed]

Williams G.  Invited Commentary on: The Independent and Interactive Effects of Navicular Drop and Quadriceps Angle on Neuromuscular Responses to a Weight Bearing Perturbation.  Journal of Athletic Training.  2006. 41(3):260-262.

Tate C, Williams G, Barrance P, Buchanan T.  Lower Extremity Muscle Morphology in Young Athletes: An MRI Analysis.  Medicine and Science in Sport and Exercise.  2006. 38(1):122-128.
[PubMed]

Williams G, Amendola A.  Restoring Dynamic Knee Stability after Knee Surgery.  Mosby.  2006. 

Barrance P, Williams G, Novotny J, Buchanan T.  A Method for Measurement of Joint Kinematics in vivo by Registration of 3-D Geometric Models with Cine Phase Contrast Magnetic Resonance Imaging Data.  Journal of Biomedical Engineering.  2005. 127(5):829-837.
[PubMed]

Williams G, Snyder-Mackler L, Barrance P, Axe M, Buchanan T.  Neuromuscular Function after Anterior Cruciate Ligament Reconstruction with Autologous Semitendinosus-Gracilis Graft.  Journal of Electromyography and Kinesiology.  2005. 15(2):170-180.
[PubMed]

Williams G, Snyder-Mackler L, Barrance P, Buchanan T.  Quadriceps Femoris Muscle Morphology and Function after ACL Injury: a differential response in copers versus non-copers.  Journal of Biomechanics.  2005. 38(4):685-693.
[PubMed]

Williams G, Snyder-Mackler L, Barrance P, Axe M, Buchanan T.  Quadriceps Weakness, Atrophy, and Activation Failure in Predicted Noncopers after Anterior Cruciate Ligament Injury.  American Journal of Sports Medicine.  2005. 33(3):402-407.
[PubMed]

Williams G.  Knee Kinematics Before and After Anterior Cruciate Ligament Reconstruction: An In Vivo Study Using Cine Phase Contrast MRI.  2004 October. 

Williams G.  Knee Kinematics during Activity in ACL Deficient Patients are Less Affected in Those Who Cope Well with the Injury.  2004 September. 

Williams G.  71st Annual Meeting of the American Academy of Orthopaedic Surgeons, San Francisco, CA.  2004 March. 

Williams G.  Muscle Morphology after Anterior Cruciate Ligament Reconstruction with Semitendinosus-Gracilis Autograft.  2004 March. 

Williams G.  Neuromuscular Function after ACL Reconstruction with Autologous Semitendinosus-Gracilis Graft.  2004 March. 

Williams G, Barrance P, Snyder-Mackler L, Buchanan T.  Altered Quadriceps Control in People with Anterior Cruciate Ligament Deficiency.  Medicine and Science in Sport and Exercise.  2004. 36(7):1089-1097.
[PubMed]

Williams G, Snyder-Mackler L, Barrance P, Axe M, Buchanon T.  Muscle and Tendon Morphology after Reconstruction of the anterior cruciate ligament with Autologous Semitendinosus-Gracilis Graft.  Journal of Bone & Joint Surgery.  2004. 86-A(9):1936-1946.
[PubMed]

Williams G.  27th Annual meeting of the American Society of Biomechanics, Toledo, OH.  2003 November. 

Williams G.  In Vivo Joint Kinematics in Normal and Anterior Cruciate Ligament Injured Knees: Results of a Cine-Phase Contrast Dynamic MRI Study.  2003 November. 

Williams G.  Quadriceps Control: A Key Factor in Coping with Anterior Cruciate Ligament Injury.  2003 November. 

Williams G.  Increased Anterior Tibial Displacement Is Observed In ACL Deficient Patients During In Vivo Joint Motion.  2003 September. 

Williams G.  Neuromuscular Function after ACL Reconstruction with Autologous Semitendinosus-Gracilis Graft.  2003 September. 

Williams G.  Quadriceps Muscle Control: A Key Factor in Coping with ACL Deficiency.  2003 July. 

Williams G.  Neuromuscular Function in ACL Deficient and Uninjured People.  2003 February. 

Williams G.  Risk Factors Associated with Non-Contact ACL Injury: A Prospective Four-year Evaluation of 859 West Point Cadets.  2003 February. 

Williams G.  Using Cine-Phase Contrast MRI to Measure Tibial Translation in Anterior Cruciate Ligament Deficient Knees.  2003 February. 

Williams G, Molloy J, DeBerardino T, Arciero R, Taylor D.  Evaluation of the Sports Ankle Rating System in Young Athletic Individuals with Acute Lateral Ankle Sprains.  Foot & Ankle International.  2003. 24(3):274-282.
[PubMed]

Williams G.  Neuromuscular function in the anterior cruciate ligament deficient and reconstructed knee.  2003. 

Williams G, Uhorchak J, Scoville C, Arciero R, St. Pierre P, Taylor D.  Risk Factors Associated with Non-Contact Injury of the ACL Ligament: A Prospective four-year Evaluation of 859 West Point Cadets.  American Journal of Sports Medicine.  2003. 31(6):831-842.
[PubMed]

Williams G, Barrance P, Snyder-Mackler L, Axe M, Buchanan T.  Specificity of Muscle Action After Anterior Cruciate Ligament Injury.  Journal of Orthopaedic Research.  2003. 21(6):1131-1137.
[PubMed]

Williams G.  Are Estimates of Quadriceps Strength Valid? Implications for Clinical Decision-Making.  2002 August. 

Williams G.  Neuromuscular Function in Anterior Cruciate Ligament Deficient & Uninjured People.  2002 August. 

Williams G.  Registration of 3D Bone Geometry with cine-Phase Contrast MRI Data for the Determination of in vivo Joint Kinematics.  2002 August. 

Williams G.  Comparison of the Specificity of Muscle Action in ACL Deficient and Uninjured People.  2002 May. 

Williams G, Higgins M, Lewek M.  Aging Skeletal Muscle: Physiologic CHanges and the Effects of Training.  Physical Therapy.  2002. 82(1):62-68.
[PubMed]

Williams G.  Measurement of Tibiofemoral Joint Motion Using Cine-Phase Contrast MRI.  2001 August. 

Williams G.  Risk Factors Associated with Anterior Cruciate Ligament Injuries.  2001 February. 

Williams G, Chmielewski T, Rudolph K, Buchanan T, Snyder-Mackler L.  Dynamic Knee Stability: CUrrent Theory and Implications for CLinicians and Scientists.  Journal of Orthopaedic & Sports Physical Therapy.  2001. 31(10):546-566.
[PubMed]

Williams G, Gangel T, Arciero R, Uhorchak J, Taylor D.  Comparision of the Single Assessment Numeric Evaluation Method and the Lysholm Score.  Clinical Orthopaedics and Related Research.  2000. 373:184-192.
[PubMed]

Lescault E, Mulligan J, Williams G.  Congenital Radioulnar Synostosis in an Active Duty Soldier: case report and literature review.  Military Medicine.  2000. 165(5):425-428.
[PubMed]

Williams G, Gangel T, Arciero R, Uhorchak J, Taylor D.  Comparison of the Single Assessment Numeric Evaluation Method and Two Shoulder Rating Scales: Outcome Measures After Shoulder Surgery .  American Journal of Sports Medicine.  1999. 27(2):214-221.
[PubMed]

Williams G.  Persistent Disability Associated with Ankle Sprains: A Prospective Examination of an Athletic Population.  1998 June. 

Williams G.  The Relationship between the Single Assessment Numeric Evaluation (SANE) Method and the Lysholm Score in Subjects Evaluated After Anterior Cruciate Ligament Reconstruction.  1998 March. 

Gerber J, Williams G, Scoville C, Arciero R, Taylor D.  Persistent Disability Associated with Ankle Sprains: A Prospective Examination of an Athletic Population.  Foot & Ankle International.  1998. 19(10):653-660.
[PubMed]

Williams G.  Relationship between a Single Question Subjective Rating of Functional Outcome & the Lysholm Score in ACL Reconstructed Patients.  1997 October. 

Williams G.  Relationship between Rowe and American Shoulder and Elbow Surgeons (ASES) Rating Scales and a Single Question Rating of Functional Outcome Following Shoulder Surgery.  1997 October. 

Williams G.  Validation of an Ankle Rating System Including Measurements of Clinical Function & Quality of Life.  1997 October. 

Myatt G, Dougherty R, Baxter R, Williams G, Underwood F, Halle J, Stetts D.  The Cardiopulmonary Cost of Backward Walking at Selected Speeds.  Journal of Orthopedic and Sports Physical Therapy.  1995. 21(3):132-138.
[PubMed]

Date Last Modified: 09/25/2014 - 13:55:30