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Darryl G. Thelen
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Journal Articles

Wearable tensiometry for measuring Achilles and patellar tendon loading while walking on various terrains and stairs.

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Accepted Manuscript
Alex Reiter, Elizabeth Schmida, Yiteng Ma, Peter Adamczyk, Darryl G. Thelen
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Technical Briefs
J Biomech Eng.
Paper No: BIO-25-1021
https://doi.org/10.1115/1.4068545
Published Online: April 30, 2025
View Articletitled, Wearable tensiometry for measuring Achilles and patellar tendon loading while walking on various terrains and stairs.
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Topics: Stairs, Tendons, Wounds, Biomechanics, Knee, Cycles, Diseases, Kinematics, Measurement units and standards, Motion analysis
Proceedings Papers

Effects of Age on Joint Torques Used to Recover From a Forward Fall

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Laura A. Wojcik, Darryl G. Thelen, James A. Ashton-Miller, Albert B. Schultz, Neil B. Alexander
Proc. ASME. IMECE96, Advances in Bioengineering, 125-126, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-1146
https://doi.org/10.1115/IMECE1996-1146
View Paper titled, Effects of Age on Joint Torques Used to Recover From a Forward Fall
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Topics: Biomechanics, Torque, Wounds
Journal Articles

Patella Apex Influences Patellar Ligament Forces and Ratio

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Mitchell G. A. Wheatley, Allison L. Clouthier, Darryl G. Thelen, Michael J. Rainbow
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. August 2021, 143(8): 081014.
Paper No: BIO-20-1341
https://doi.org/10.1115/1.4051213
Published Online: June 16, 2021
View Articletitled, Patella Apex Influences Patellar Ligament Forces and Ratio
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Topics: Knee, Shapes, Tendons, Pressure, Musculoskeletal system
Journal Articles

Relationship Between Lateral Patellar Stability and Tibial Tubercle Location for Varying Patellofemoral Geometries

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Allison L. Clouthier, Daniel Borschneck, Darryl G. Thelen, Kevin J. Deluzio, Michael J. Rainbow
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. December 2019, 141(12): 121007.
Paper No: BIO-19-1222
https://doi.org/10.1115/1.4045231
Published Online: November 6, 2019
View Articletitled, Relationship Between Lateral Patellar Stability and Tibial Tubercle Location for Varying Patellofemoral Geometries
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Topics: Knee, Simulation, Stability, Tendons, Shapes, Displacement, Geometry, Musculoskeletal system
Journal Articles

The Influence of Component Alignment and Ligament Properties on Tibiofemoral Contact Forces in Total Knee Replacement

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Colin R. Smith, Michael F. Vignos, Rachel L. Lenhart, Jarred Kaiser, Darryl G. Thelen
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. February 2016, 138(2): 021017.
Paper No: BIO-15-1520
https://doi.org/10.1115/1.4032464
Published Online: January 27, 2016
View Articletitled, The Influence of Component Alignment and Ligament Properties on Tibiofemoral Contact Forces in Total Knee Replacement
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Topics: Cycles, Engineering simulation, Kinematics, Knee, Musculoskeletal system, Simulation, Stiffness, Stress, Knee joint prostheses, Muscle
Includes: Supplementary data
Journal Articles

The Influence of Partial and Full Thickness Tears on Infraspinatus Tendon Strain Patterns

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Kayt E. Frisch, David Marcu, Geoffrey S. Baer, Darryl G. Thelen, Ray Vanderby
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. May 2014, 136(5): 051004.
Paper No: BIO-13-1371
https://doi.org/10.1115/1.4026643
Published Online: April 10, 2014
View Articletitled, The Influence of Partial and Full Thickness Tears on Infraspinatus Tendon Strain Patterns
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Topics: Biological tissues, Tendons, Stress
Proceedings Papers

Design and Evaluation of an Adaptive Ground Contact Model

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Christian D. Remy, Darryl G. Thelen
Proc. ASME. SBC2007, ASME 2007 Summer Bioengineering Conference, 27-28, June 20–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: SBC2007-176536
https://doi.org/10.1115/SBC2007-176536
View Paper titled, Design and Evaluation of an Adaptive Ground Contact Model
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Topics: Design, Dynamic analysis, Engineering simulation, Simulation
Proceedings Papers

Optimal Estimation of Dynamically Consistent Kinematics and Kinetics for Forward Dynamic Simulations

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Christian D. Remy, Darryl G. Thelen
Proc. ASME. SBC2007, ASME 2007 Summer Bioengineering Conference, 25-26, June 20–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: SBC2007-176521
https://doi.org/10.1115/SBC2007-176521
View Paper titled, Optimal Estimation of Dynamically Consistent Kinematics and Kinetics for Forward Dynamic Simulations
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Topics: Kinematics, Simulation, Optimization, Dynamic models, Force measurement, Muscle, Stress, Surgery, Wounds
Journal Articles

Co-Simulation of Neuromuscular Dynamics and Knee Mechanics During Human Walking

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Darryl G. Thelen, Kwang Won Choi, Anne M. Schmitz
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. February 2014, 136(2): 021033.
Paper No: BIO-13-1414
https://doi.org/10.1115/1.4026358
Published Online: February 5, 2014
View Articletitled, Co-Simulation of Neuromuscular Dynamics and Knee Mechanics During Human Walking
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Topics: Knee, Muscle, Simulation, Dynamics (Mechanics)
Proceedings Papers

GPU-Based Algorithm for Fast Computation of Cartilage Contact Patterns During Simulations of Movement

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Kwang Won Choi, Dan Negrut, Darryl G. Thelen
Proc. ASME. SBC2013, Volume 1A: Abdominal Aortic Aneurysms; Active and Reactive Soft Matter; Atherosclerosis; BioFluid Mechanics; Education; Biotransport Phenomena; Bone, Joint and Spine Mechanics; Brain Injury; Cardiac Mechanics; Cardiovascular Devices, Fluids and Imaging; Cartilage and Disc Mechanics; Cell and Tissue Engineering; Cerebral Aneurysms; Computational Biofluid Dynamics; Device Design, Human Dynamics, and Rehabilitation; Drug Delivery and Disease Treatment; Engineered Cellular Environments, V01AT20A007, June 26–29, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SBC2013-14095
https://doi.org/10.1115/SBC2013-14095
View Paper titled, GPU-Based Algorithm for Fast Computation of Cartilage Contact Patterns During Simulations of Movement
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Topics: Algorithms, Cartilage, Computation, Graphics processing units, Simulation, Stress, Biological tissues, Finite element model, Kinematics, Knee
Proceedings Papers

Use of a Central Pattern Generator for Control of a Muscle-Actuated Simulation of Pedaling

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Martin Schultze, Darryl G. Thelen
Proc. ASME. SBC2009, ASME 2009 Summer Bioengineering Conference, Parts A and B, 1213-1214, June 17–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: SBC2009-205653
https://doi.org/10.1115/SBC2009-205653
View Paper titled, Use of a Central Pattern Generator for Control of a Muscle-Actuated Simulation of Pedaling
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Topics: Generators, Muscle, Simulation, Control equipment, Excitation
Proceedings Papers

Motion and Strain Along the Musculotendon Junction of the Biceps Femoris: Shortening vs. Lengthening Contractions

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Amy Silder, Darryl G. Thelen
Proc. ASME. SBC2009, ASME 2009 Summer Bioengineering Conference, Parts A and B, 905-906, June 17–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: SBC2009-203590
https://doi.org/10.1115/SBC2009-203590
View Paper titled, Motion and Strain Along the Musculotendon Junction of the Biceps Femoris: Shortening vs. Lengthening Contractions
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Topics: Junctions, Wounds, Muscle, Biological tissues, Imaging, Magnetic resonance, Risk, Sports, Stress
Proceedings Papers

The Use of Ultrasound Elastography to Assess Regional Variations in Tendon Strain

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Laura Chernak, Darryl G. Thelen
Proc. ASME. SBC2011, ASME 2011 Summer Bioengineering Conference, Parts A and B, 1001-1002, June 22–25, 2011
Publisher: American Society of Mechanical Engineers
Paper No: SBC2011-53739
https://doi.org/10.1115/SBC2011-53739
View Paper titled, The Use of Ultrasound Elastography to Assess Regional Variations in Tendon Strain
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Topics: Elastography, Tendons, Ultrasound, Biological tissues, Muscle, Wounds, Deformation, Junctions, Musculoskeletal system, Risk
Journal Articles

A Magnetic Resonance-Compatible Loading Device for Dynamically Imaging Shortening and Lengthening Muscle Contraction Mechanics

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Amy Silder, Christopher J. Westphal, Darryl G. Thelen
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Technical Briefs
J. Med. Devices. September 2009, 3(3): 034504.
https://doi.org/10.1115/1.3212559
Published Online: September 3, 2009
View Articletitled, A Magnetic Resonance-Compatible Loading Device for Dynamically Imaging Shortening and Lengthening Muscle Contraction Mechanics
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Topics: Biological tissues, Cycles, Imaging, Knee, Muscle, Stress, Resonance
Journal Articles

Optimal Estimation of Dynamically Consistent Kinematics and Kinetics for Forward Dynamic Simulation of Gait

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C. David Remy, Darryl G. Thelen
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. March 2009, 131(3): 031005.
https://doi.org/10.1115/1.3005148
Published Online: January 6, 2009
View Articletitled, Optimal Estimation of Dynamically Consistent Kinematics and Kinetics for Forward Dynamic Simulation of Gait
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Topics: Algorithms, Equations of motion, Errors, Kinematics, Noise (Sound), Optimization, Simulation, Dynamics (Mechanics)
Journal Articles

A Simple Mass-Spring Model With Roller Feet Can Induce the Ground Reactions Observed in Human Walking

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Ben R. Whittington, Darryl G. Thelen
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. January 2009, 131(1): 011013.
https://doi.org/10.1115/1.3005147
Published Online: November 26, 2008
View Articletitled, A Simple Mass-Spring Model With Roller Feet Can Induce the Ground Reactions Observed in Human Walking
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Topics: Limit cycles, Rollers, Springs, Stiffness, Simulation, Center of mass, Spatiotemporal phenomena
Proceedings Papers

Dynamic Simulation and Analysis of a Passively Self-Stabilizing Hexapedal Running Robot

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Jonathan E. Clark, Mark R. Cutkosky, Darryl G. Thelen
Proc. ASME. IMECE2004, Dynamic Systems and Control, Parts A and B, 1261-1269, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-62117
https://doi.org/10.1115/IMECE2004-62117
View Paper titled, Dynamic Simulation and Analysis of a Passively Self-Stabilizing Hexapedal Running Robot
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Topics: Robots, Simulation, Design, Simulation results, Stability, Dynamic models, Feedforward control, Shapes
Journal Articles

Adjustment of Muscle Mechanics Model Parameters to Simulate Dynamic Contractions in Older Adults

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Darryl G. Thelen
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Technical Papers
J Biomech Eng. February 2003, 125(1): 70–77.
https://doi.org/10.1115/1.1531112
Published Online: February 14, 2003
View Articletitled, Adjustment of Muscle Mechanics Model Parameters to Simulate Dynamic Contractions in Older Adults
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Topics: Muscle, Tendons, Torque, Dynamics (Mechanics)