Faculty Collaboration Database

2004 - 2008 B.S. Biomedical Engineering (Summa Cum Laude), University of Tennessee; Department of Mechanical, Aerospace, and Biomedical Engineering, Knoxvillle, TN

2008 - 2017 M.D.; Medical Scientist Training Program, University of Wisconsin-Madison, School of Medicine and Public Health, Madison, WI

2010 - 2012 M.S., University of Wisconsin-Madison, Department of Biomedical Engineering, Madison, WI

2010 - 2013 M.S., University of Wisconsin-Madison, Department of Mechanical Engineering, Madison, WI

2010 - 2015 Ph.D; Minor: Clinical Investigation, University of Wisconsin-Madison, Department of Biomedical Engineering, Madison, WI

07/01/2017 - 06/30/2022 Residency, Orthopaedic Surgery, Medical College of WI, Milwaukee, WI

08/01/2022 - 07/30/2023 Fellowship, Pediatric Orthopaedic Surgery, Children's Hospital of Philadelphia, Philadelphia, PA

08/01/2023 - 06/30/2024 Fellowship, Orthopaedic Surgery, Cerebral Palsy, Nemours Children's Hospital, Wilmington, DE

2024 - Present Assistant Professor, Orthopedic Surgery, Medical College of Wisconsin, Milwaukee, WI

2021 - 2022 Administrative Chief Resident, Orthopaedic Surgery, Medical College of WI, Milwaukee, WI

2025 - Present Director of Gait Lab, Orthopedic Surgery, Medical College of WI, Milwaukee, WI, Orthopedic Surgery, Medical College of WI, Milwaukee, WI

2008 L. Raymond Shobe Award - Outstanding Academic Achievement in Biomedical Engineering, Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee-Knoxville

2008 Top Collegiate Scholar - 2008, University of Tennessee-Knoxville

2009 - 2013 Global Health Certificate, UW Institute for Global Health

2010 - 2012 TL1 Scholar (1UL1RR025011), UW Institute for Clinical and Translational Research

2012 - 2014 Student Travel Award Winner, Gait and Clinical Movement Analysis Society Annual Conference

2012 - 2013 Collaborative Research Travel Grant Recipient , Burroughs Wellcome Fund

2012 - 2013 Alexander Cowie Fellowship, Department of Mechanical Engineering, UW-Madison

2012 Finalist for Young Investigator Award, Gait and Clinical Movement Analysis Society Annual Conference

2013 MSTP Pilot Grant Recipient , UW Institute for Clinical and Translational Research

2013 Biomechanics Interest Group Student Research Award, American College of Sports Medicine Annual Conference

2013 Delsys Travel Award Winner, to International Society of Biomechanics Conference

2013 Matching Dissertation Grant Award Winner , International Society of Biomechanics

2013 Student Scholarship Winner, American Academy of Cerebral Palsy and Developmental Medicine

2014 - 2017 NIH Predoctoral Fellow – F30AR065838 National Institute for Arthritis and Musculoskeletal and Skin Diseases

2014 Best Podium Presentation, Gait and Clinical Movement Analysis Society Annual Conference

2014 Dr. Kevin Granata Young Investigator Award, Gait and Clinical Movement Analysis Society

2015 Young Scientist Pre-doctoral Award , American Society of Biomechanics

2015 Dr. Kevin Granata Young Investigator Award, Gait and Clinical Movement Analysis Society

2015 Best Podium Presentation, Gait and Clinical Movement Analysis Society Annual Conference

2016 Alpha Omega Alpha Member

2017 Medical Student Achievement in Orthopedics Award, School of Medicine and Public Health, University of Wisconsin-Madison

2020 Extended Recovery Unit – Provider of the Month – April 2020, Froedtert Hospital, Medical College of Wisconsin

2020 Resident Scholar, American Orthopaedic Foot & Ankle Society

2021 Resident Orthopaedic In-Training Examination Achievement (OITE) Award Best score in program November 2020, Medical College of Wisconsin

2022 Resident Orthopaedic In-Training Examination Achievement (OITE) Award Best score in program November 2021, Medical College of WI

2022 Graduating Resident Research Award Best research paper/presentation at the John Gould Lectureship 2022, Medical College of WI

2022 Scholarship Recipient, International Pediatric Orthopaedic Symposium (IPOS)

American Academy of Orthopaedic Surgery (Member)

Alpha Omega Alpha (Member)

Pediatric Orthopaedic Society of North America (Member)

Orthopaedic Research Society (Member)

Tau Beta Pi (Member)

American Academy of Cerebral Palsy and Developmental Medicine (Member)

Journal Review

2008 Reception Co-coordinator, Body Donor Ceremony, University of Wisconsin, Madison; School of Medicine and Public Health

2009 - 2013 Student Executive Committee, Medical Scientist Training Program, University of Wisconsin, Madison

2009 - 2010 Medical School Liaison, Medical Scientist Training Program, University of Wisconsin, Madison

2010 - 2013 Outreach Committee Chair, Medical Scientist Training Program, University of Wisconsin, Madison

2011 - 2013 Exhibit Coordinatror: “The Body Machine”, Engineering Expo, University of Wisconsin, Madison

2012 - 2013 Institutional Coordinator for the “Tomorrow’s Physician Initiative”, American Physician Scientists Association

2013 - 2016 Student Representative, Executive Board: Gait and Clinical Movement Analysis Society

2020 - 2022 Resident Member, Resident Research Committee, Dept of Orthopedic Surgery, Medical College of WI

2006 - 2007 Treasurer, Vice President, Society of Women Engineers, University of Tennessee; Knoxville

2006 - 2007 Treasurer, President, Honors Events Committee, University of Tennessee; Knoxville

“Dynamic Simulation of Patellofemoral Contact Loading while Running at Varied Step Rates”, World Congress of Biomechanics, Boston, MA, 07/09/2014

“Influence of Surgery on Musculoskeletal Mechanics in Children with Crouch Gait”, NIMBioS Undergraduate Research Conference, Knoxville, TN, 11/22/2015

“Musculoskeletal Mechanics”, Research KL2 Seminar “Musculoskeletal Mechanics” Madison, WI, USA, UW-Madison Institute for Clinical and Translational Research; Madison, WI, USA, 12/07/2011

“Gait Analysis”, Medical Scientist Training Program Seminar, UW-Madison; Madison WI, 04/10/2013

"Improving Surgical Correction of Pediatric Gait Abnormalities”, UW-Madison Interface Colloquium, Madison, WI, 10/30/2013

“Understanding and Improving Treatment of Pediatric Gait Abnormalities”, UW-Madison Medical Scientist Training Program Seminar, Madison, WI, 11/19/2014

“Limb Lengthening: Focus on Intramedullary Motorized Nails”, Dept of Orthopedic Surgery, Medical College of WI, Milwaukee, WI, 03/03/2021

“Leadership: Building and Maintaining the Best Teams”, Dept of Orthopedic Surgery, Medical College of WI, Milwaukee, WI, 10/06/2021

Biostatistics, Dept of Orthopedic Surgery, Medical College of WI, Milwaukee, WI, 10/30/2024

Kim S, Talavage T, Lenhart R, Hoffa A, Wong D, Pisoni D, Recruitment of Language Pathway by Audio-Visual Presentation of Degraded Speech, Annual Meeting of the Organization for Human Brain Mapping, Chicago, IL, 2007

Kim S, Talavage TM, Lenhart R, Hoffa A, Wong D, Pisoni DB, Cortical Networks underlying Benefits of Audio-visual Speech Integration, Fourteenth Annual Meeting of the Organization for Human Brain Mapping, Melbourne, Australia, 06/2008

Lenhart RL, Schwartz MH, Thelen DG, Optimal Patellar Tendon Length is Greater for Crouched Walking Postures, Abstract for podium presentation, International Society of Biomechanics, Natal, Brazil, 08/2013

Thelen DG, Kaiser J, Lenhart RL, Choi K, Simulating the Influence of Ligament Properties on Cartilage Contact Patterns within the Context of Dynamic Movement, Abstract for invited talk, World Congress of Biomechanics, Boston, MA, 07/2014

Thelen DG, Lenhart RL, Kaiser J, Choi K, Dynamic Simulation of Patellofemoral Contact Loading while Running at Varied Step Rates, Abstract for invited talk, World Congress of Biomechanics, Boston, MA, 07/2014

Lenhart RL, Kaiser J, Choi K, Thelen DG, In vivo validation of a dynamic knee model used to simulate patellar tendon advancement procedures, Abstract for invited talk, World Congress of Biomechanics, Boston, MA, 07/2014

Smith C, Lenhart R, Thelen D,, A Variable Cartilage Property Formulation of the Elastic Foundation Model to Predict Contact Pressures during Walking, Abstract accepted for podium presentation at the XV International Symposium on Computer Simulation in Biomechanics, Edinburgh, UK, 07/2015

Lenhart RL, Tassone C, Liu XC, Thometz J, Spellman C, Escott B, Effect of Casting in the treatment of Early Onset Scoliosis, Abstract for poster presentation at International Research Society of Spinal Deformities, Virtual, 01/2021

Herrero C, Lenhart RL, Trionfo A, Shrader, MW, Howard JJ, Guided Growth of the Proximal Femur for Hip Displacement in Young Children with Cerebral Palsy: A Preliminary Report Comparing Inferomedial Screw Epiphysiodesis with and without Adductor Releases., Abstract accepted for podium presentation at the Australasian Academy of Cerebral Palsy and Developmental Medicine, Cannes, Australia, 07/2024

Lenhart R, Kim S, Talavage T, Functional Magnetic Resonance Imaging (fMRI) Study of AudioVisual Speech Perception, Abstract for poster presentation at the Society of Women Engineers Conference, Nashville, TN, 10/2007

Lenhart RL, Francis CA, Lenz AL, Thelen DG, Empirical evaluation of Soleus and Gastrocnemius Function During Walking: Implications for Equinus Gait, Abstract for poster presentation, American Society of Biomechanics Annual Conference, Long Beach, CA, 08/2011

Lenhart RL, Thelen DG, Influence of Musculoskeletal Geometry on Model-Based Predictions of Plantarflexor Function During Gait, Abstract for podium presentation, Gait and Clinical Movement Analysis Society Annual Conference, Grand Rapids, MI, 05/2012

Lenhart RL, Wille CM, Chumanov ES, Heiderscheit BC, Thelen DG, Increasing Running Step Rate Reduces Patellofemoral Joint Forces, Abstract for podium presentation, American Society of Biomechanics Annual Conference, Gainesville, FL, 08/2012

Kaiser J, Bradford R, Lenhart R, Kijowski R, Thelen D, Is the Contralateral Knee a Valid Reference When Quantitatively Assessing Secondary Knee Kinematics?, Abstract for poster presentation at the Orthopedic Research Society Annual Meeting, San Antonio, TX, 01/2013

Lenhart RL, Schwartz MH, Thelen DG, Patellar Position Effects on the Knee Extensor Mechanism, Abstract for podium presentation, Gait and Clinical Movement Analysis Society Annual Conference, Cincinnati, OH, 05/2013

Lenhart RL, Wille CM, Chumanov ES, Hetzel S, Heiderscheit BH, Thelen DG, Kinematic and Kinetic Predictors of Patellofemoral Joint Force in Healthy Runners, Abstract for thematic poster presentation, American College of Sports Medicine Annual Conference, Indianapolis, IN, 05/2013

Lenhart RL, Schwartz MH, Thelen DG, Optimal Patellar Position Varies for Different Walking Postures, Abstract for podium presentation, American Academy for Cerebral Palsy and Developmental Medicine, Milwaukee, WI, 10/2013

Maag AD, Laufer S, Kwan C, Cohen ER, Lenhart RL, Stork NC, Halanski MA, Pugh CM, Sensor-Based Assessment of Cast Placement and Removal, Abstract for poster presentation, Medicine Meets Virtual Reality Conference, Manhattan Beach, CA, 02/2014

Stork N, Lenhart R, Nemeth B, Noonan K, Sund S, Halanski M, To Cast, to Saw, and Not to Injure: Can Safety Strips Decrease Cast Saw Injuries?, Abstract for podium presentation, American Academy of Orthopedic Surgeons Conference, New Orleans, LA, 03/2014

Stork N, Lenhart R, Nemeth B, Noonan K, Sund S, Halanski M, To Cast, to Saw, and Not to Injure: Can Safety Strips Decrease Cast Saw Injuries?, Abstract for podium presentation, Pediatric Orthopedic Society of North America (Awarded Best Quality Safety and Value Initiative Paper), Hollywood, CA, 04/2014

Lenhart RL, Kaiser J, Choi KW, Thelen DG, Simulation of knee cartilage contact pressure in crouch gait, Abstract for podium presentation, Gait and Clinical Movement Analysis Society, Newark, DE, 06/2014

Smith CR, Lenhart R, Kaiser J, Choi K, Thelen DG, The Effect of Cartilage Thickness on Tibiofemoral Contact Pressure During Gait, Abstract for poster presentation, Orthopedic Research Society, Las Vegas, NV, 03/2015

Lenhart RL, Kaiser J, Smith C, Thelen DG, Influence of Patella Alta and Crouch on Patellofemoral Cartilage Contact Pressure, Abstract for podium presentation, Gait and Clinical Movement Analysis Society, Portland, OR, 03/2015

Smith CR, Lenhart RL, Kaiser J, Vignos MF, Thelen DG, The Influence of Cartilage Morphology and Elasticity on Tibiofemoral Contact Pressures During Walking, Abstract accepted for podium presentation at the Summer Biomechanics, Bioengineering, and Biotransport Conference, Snowbird, UT, 06/2015

Smith C, Lenhart R, Thelen D, The Sensitivity of Predicted Knee Contact Mechanics during Gait to Variations in Ligament Properties, Abstract for poster presentation at the American Society of Biomechanics Annual Conference, Columbus, OH, 08/2015

Lenhart RL, Smith CR, Schwartz MH, Novacheck TF, Thelen DG, Simulating the effects of crouch gait surgeries on knee mechanics, Abstract for podium presentation at the American Society of Biomechanics Annual Conference, Columbus, OH, 08/2015

Smith CR, Lenhart RL, Kaiser J, Vignos MF, Thelen DG, The Effect of Ligament Properties on Tibiofemoral Kinematics and Contact Pressure during Gait, Abstract for podium presentation at the Computer Methods in Biomechanics and Biomedical Engineering Annual Conference, Montreal, Canada, 09/2015

Halanski MA, Hildahl B, Lenhart RL, Chaudhary R, Rortvedt-Amundson, Chrenshaw T, Maternal Diets Deficient in Vitamin D Increase Kyphosis in Offspring, Abstract for E-poster presentation, Pediatric Orthopedic Society of North America, Indianapolis, IN, 04/2016

Lenhart RL, Smith CR, Schwartz MH, Novacheck TF, Thelen DG, The Effect of Distal Femoral Extension Osteotomy on Muscle Lengths after Surgery, Abstract for podium presentation at the Gait and Clinical Movement Analysis Society, Memphis, TN, 05/2016

Francis CA, Lenhart RL, Franz JR, Kaiser J, Towles J, Work in Progress: Evaluation of Biomechanics Activities at a College Engineering Outreach Event., Abstract for poster presentation at the American Society for Engineering Education, New Orleans, LA, 05/2016

Bittman MF, Lenhart RL, Schwartz MH, Novacheck TF, Thelen DG, Relationship Between Patella Height, Crouch Severity, and Outcomes Following Surgical Treatment, Abstract for podium presentation at the Gait and Clinical Movement Analysis Society, Salt Lake City, UT, 05/2017

Bittman MF, Lenhart RL, Schwartz MH, Novacheck TF, Thelen DG, Evidence of Enhanced Moment Arms Following Patellar Tendon Advancement Surgery, Abstract for podium presentation at the Gait and Clinical Movement Analysis Society, Salt Lake City, UT, 05/2017

Loeffler TF, Fritz JM, Lenhart RL, Moyle KA, Harris GF, Schmeling GJ, Assessment of Gait and Strength Following Surgical Repair of Isolated Femur Fracture, Abstract for poster presentation at the Orthopaedic Research Society, Austin, TX, 02/2019

Maisel ME, Lenhart RL, Loeffler TE, Schmeling GJ, Harris GF, Fritz JM, Long-Term Gait and Strength Analysis Following Post-Operative Repair of Femoral Shaft Gunshot Fractures, Abstract for poster presentation at Orthopaedic Research Society, Phoenix, AZ, 02/2020

Lenhart RL, Wang M, Schmeling GJ, Biomechanical Evaluation of Proximal Femoral Osteotomy Stabilized with a Retrograde Intramedullary Nail, Abstract for poster presentation at Orthopaedic Research Society, Phoenix, AZ, 02/2020

Loeffler T, Fritz J, Lenhart R, Beck C, Martin J, Harris G, Schmeling G, Assessment of Hip Strength and Gait Following Intramedullary Nail Fixation of Isolated Diaphyseal Femur Fracture, Abstract for poster presentation at the American Society of Orthopaedic Surgeons,, Orlando, FL, 03/2020

Maisel ME, Schmeling GJ, Lenhart RL, Loeffler TE, Martin JM, Beck CJ, Harris GF, Konop KA, Fritz JM, Femoral Shaft Gunshot Fractures: Long-Term Post-Operative Gait and Strength, Abstract for podium presentation at the Gait and Clinical Movement Analysis Society, Virtual, 06/2020

Lenhart RL, Gastrocnemius Contracture Leads to Altered Knee Motion and Increased Contact Pressures, Abstract for presentation at the Orthopaedic Research Society, Virtual, 02/2021

Reiter AJ, Fritz JM, Canseco K, Kraus JC, Thelen DG, Lenhart RL, Residual Asymmetries in Functional Achilles Tendon Loading Following Rupture and Repair, Abstract for poster presentation at the American College of Sports Medicine, Denver, CO, 05/2023

Lenhart R, Orellana K, Goodbody C, Baldwin K., Effect of Social Disparity on Scoliosis Severity in Cerebral Palsy., Abstract for poster presentation at American Academy American Academy for Cerebral Palsy and Developmental Medicine, Chicago, IL, 09/2023

Orellana K, Lenhart R, Yang D, Baldwin K, Goodbody C, Does Social Deprivation Affect Severity of Hip Subluxation in Cerebral Palsy?, Abstract for podium presentation at American Academy American Academy for Cerebral Palsy and Developmental Medicine, Chicago, IL, 09/2023

Lenhart RL, Värk PR, Baldwin KD, Schoenecker JG, Goodbody CM, Shah AS, Volar Deformity following Distal Radius Volar Plating in Skeletally-Immature Children., Abstract for ePoster at American Society for Surgery of the Hand, Toronto, Canada, 10/2023

Geissler TM, Reiter A, Lenhart R, Canseco K, Dziuk C, Cross J, Thelen D, Kraus JC, Fritz JM, Investigation Into Musculotendinous Function Following Repair Of Achilles Tendon Rupture - Trends In Gait, Strength, And Range Of Motion., Abstract for poster presentation at the Orthopaedic Research Society, Long Beach, CA, 02/2024

Lenhart RL, Värk PR, Baldwin KD, Goodbody CM, Schoenecker JG, Shah AS, A Clinical and Scientific Paradigm Shift: Revisiting Growth After Pediatric Radius Fracture Plating., Abstract for ePoster at Pediatric Orthopaedic Society of North America, National Harbor, MD, 05/2024

Taylor D, Lenhart RL, Lennon N, Church C, Henley J, Shrader MW, Using Gait Analysis in the Treatment of Diastematomyelia., Abstract for poster presentation at the Gait and Clinical Movement Analysis Society, Atlanta, GA, 06/2024

Lenhart RL, Caban-Rivera, D, Church C, Johnson CL, Trionfo A, Shrader MW, Howard JJ, The Less-Affected Side in Spastic Hemiplegia: Is it the Same as Typically Developing? A Study of Muscle Properties and Function, Abstract accepted for podium presentation at the American Academy of Cerebral Palsy and Developmental Medicine, Quebec City, Canada, 10/2024

2009 Medication Supply Coordinator MEDiC Student-Run Free Clinics, University of Wisconsin-Madison. Responsible for keeping three free clinics stocked with medications,

2013 - 2014 Food Pantry Director Lussier Community Education Center Responsible for conducting monthly food pantry

2005 Summer Undergraduate Research Program Summer Experience in Biomedical Sciences, Dr. Lisa Gould University of Texas Medical Branch Project: Oxidative Stress, Tissue Ischemia, and the Effect of Age on Wound Healing Awards: Outstanding Poster Presentation in Toxicology, Dean’s Award • Conducted experiments and analyzed data comparing different options for wound healing in rats

2006 Research Experience for Undergraduates (sponsored by the National Science Foundation) Weldon School of Biomedical Engineering, Dr. TM Talavage Purdue University Project: fMRI Studies of Audiovisual Speech Perception • Collected pilot studies for looking at brain regions associated with audiovisual speech perception

2007 Summer Undergraduate Research Fellowship Motion Analysis Laboratory, Dr. KR Kaufman Mayo Clinic, Rochester, MN Project: Osteotomy Analysis and Simulation Software • Developed computer code to determine alterations in joint pressures after osteotomy

2008 Biomechanics Laboratory, Dr. Kreg Gruben Departments of Biomedical Engineering and Kinesiology University of Wisconsin-Madison Graduate student rotation • Conducted experiments and analyzed data looking at the reason for falls in older adults

2008 UW Neuromuscular Biomechanics Laboratory, Dr. Darryl Thelen Departments of Mechanical and Biomedical Engineering University of Wisconsin-Madison Graduate student rotation • Wrote computer algorithm to calibrate laboratory force plates

2009 Occupational Ergonomics and Biomechanics Laboratory, Dr. Robert Radwin Department of Biomedical Engineering University of Wisconsin-Madison Graduate student rotation • Analyzed grip force data for time of onset

2010 - 2017 UW Neuromuscular Biomechanics Laboratory, Dr. Darryl Thelen Departments of Mechanical and Biomedical Engineering University of Wisconsin-Madison PhD Thesis Title: “Influence of Surgery on Musculoskeletal Mechanics in Children with Crouch Gait” (Defended May 6, 2015) • Developed new musculoskeletal model that included 6 degrees of freedom at the knee joint • Simulation of varying gait postures and surgical procedures to determine effects on knee mechanics • Additional projects included: patellofemoral mechanics during running and the empirical assessment of muscle function during walking • Experimental methods include 3D gait analysis, EMG, MRI • Analytical methods include computational musculoskeletal modeling, random forest algorithm, optimization

2017 - 2022 Department of Orthopaedic Surgery, Medical College of Wisconsin Trauma Division – Dr. Gregory Schmeling • Studying the effects of isolated femur fracture and IMN on gait and strength • Studying the effects of screw position and canal fill on micromotion during retrograde nailing • Studying the effects of femoral nail malrotation on gait and strength Foot and Ankle – Dr. Jonathan Kraus • Studying the effects of operative vs non-operative treatment of Achilles rupture on Achilles stress during walking

2022 - 2023 Division of Orthopaedic Surgery, Children’s Hospital of Philadelphia Trauma – Dr. Apurva Shah • Studying the volar plating of the radius on bone morphology in children with open physes Neuromuscular – Dr. Keith Baldwin • Evaluation of how socioeconomic factors impact hip and spine treatment in neuromuscular patients

2023 - 2024 Department of Orthopaedic Surgery, Division of Cerebral Palsy, Nemours Children’s Health Division of Cerebral Palsy – Drs. M. Wade Shrader, Jason Howard, Arianna Trionfo • Studying effects of proximal femoral guided growth in young population • Studying muscle properties in hemiplegic patients