Search Results - "THELEN, Darryl G"

Gauging force by tapping tendons by Martin, Jack A., Brandon, Scott C. E., Keuler, Emily M., Hermus, James R., Ehlers, Alexander C., Segalman, Daniel J., Allen, Matthew S., Thelen, Darryl G.

“…Muscles are the actuators that drive human movement. However, despite many decades of work, we still cannot readily assess the forces that muscles transmit…”
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Hamstring Musculotendon Dynamics during Stance and Swing Phases of High-Speed Running by CHUMANOV, Elizabeth S, HEIDERSCHEIT, Bryan C, THELEN, Darryl G

“…Hamstring strain injuries are common in sports that involve high-speed running. It remains uncertain whether the hamstrings are susceptible to injury during…”
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Imaging and simulation of Achilles tendon dynamics: Implications for walking performance in the elderly by Franz, Jason R, Thelen, Darryl G

“…Abstract The Achilles tendon (AT) is a complex structure, consisting of distinct fascicle bundles arising from each triceps surae muscle that may act as…”
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Increasing Running Step Rate Reduces Patellofemoral Joint Forces by LENHART, RACHEL L, THELEN, DARRYL G, WILLE, CHRISTA M, CHUMANOV, ELIZABETH S, HEIDERSCHEIT, BRYAN C

“…PURPOSEIncreasing step rate has been shown to elicit changes in joint kinematics and kinetics during running, and it has been suggested as a possible…”
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Prediction and Validation of Load-Dependent Behavior of the Tibiofemoral and Patellofemoral Joints During Movement by Lenhart, Rachel L., Kaiser, Jarred, Smith, Colin R., Thelen, Darryl G.

“…The study objective was to construct and validate a subject-specific knee model that can simulate full six degree of freedom tibiofemoral and patellofemoral…”
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Non-uniform in vivo deformations of the human Achilles tendon during walking by Franz, Jason R, Slane, Laura C, Rasske, Kristen, Thelen, Darryl G

“…Highlights • Quantified in vivo deformations of the human free Achilles tendon during walking. • Coupled custom ultrasound elastography with quantitative…”
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Using computed muscle control to generate forward dynamic simulations of human walking from experimental data by Thelen, Darryl G., Anderson, Frank C.

“…The objective of this study was to develop an efficient methodology for generating muscle-actuated simulations of human walking that closely reproduce…”
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A Kalman Filter Approach for Estimating Tendon Wave Speed from Skin-Mounted Accelerometers by Schmitz, Dylan G, Thelen, Darryl G, Cone, Stephanie G

“…Shear wave tensiometry is a noninvasive approach for assessing in vivo tendon forces based on the speed of a propagating shear wave. Wave speed is measured by…”
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Medial knee loading is altered in subjects with early osteoarthritis during gait but not during step-up-and-over task by Meireles, Susana, Wesseling, Mariska, Smith, Colin R, Thelen, Darryl G, Verschueren, Sabine, Jonkers, Ilse

“…This study evaluates knee joint loading during gait and step-up-and-over tasks in control subjects, subjects with early knee OA and those with established knee…”
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Fusion of Wearable Kinetic and Kinematic Sensors to Estimate Triceps Surae Work during Outdoor Locomotion on Slopes by Harper, Sara E, Schmitz, Dylan G, Adamczyk, Peter G, Thelen, Darryl G

“…Muscle-tendon power output is commonly assessed in the laboratory through the work loop, a paired analysis of muscle force and length during a cyclic task…”
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Spatial variations in Achilles tendon shear wave speed by DeWall, Ryan J, Slane, Laura C, Lee, Kenneth S, Thelen, Darryl G

“…Abstract Supersonic shear imaging (SSI) is an ultrasound imaging modality that can provide insight into tissue mechanics by measuring shear wave propagation…”
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OpenSim: Open-Source Software to Create and Analyze Dynamic Simulations of Movement by Delp, Scott L., Anderson, Frank C., Arnold, Allison S., Loan, Peter, Habib, Ayman, John, Chand T., Guendelman, Eran, Thelen, Darryl G.

“…Dynamic simulations of movement allow one to study neuromuscular coordination, analyze athletic performance, and estimate internal loading of the…”
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Adjustment of muscle mechanics model parameters to simulate dynamic contractions in older adults by Thelen, Darryl G

“…The generation of muscle-actuated simulations that accurately represent the movement of old adults requires a model that accounts for changes in muscle…”
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Co-simulation of neuromuscular dynamics and knee mechanics during human walking by Thelen, Darryl G, Won Choi, Kwang, Schmitz, Anne M

“…This study introduces a framework for co-simulating neuromuscular dynamics and knee joint mechanics during gait. A knee model was developed that included 17…”
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Active and passive contributions to joint kinetics during walking in older adults by Silder, Amy, Heiderscheit, Bryan, Thelen, Darryl G

“…Abstract The objectives of this study were to characterize the active and passive contributions to joint kinetics during walking in healthy young and older…”
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Hamstring strain injuries: recommendations for diagnosis, rehabilitation, and injury prevention by Heiderscheit, Bryan C, Sherry, Marc A, Silder, Amy, Chumanov, Elizabeth S, Thelen, Darryl G

“…Hamstring strain injuries remain a challenge for both athletes and clinicians, given their high incidence rate, slow healing, and persistent symptoms…”
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The effect of speed and influence of individual muscles on hamstring mechanics during the swing phase of sprinting by Chumanov, Elizabeth S, Heiderscheit, Bryan C, Thelen, Darryl G

“…Abstract The purpose of this study was to characterize the effect of speed and influence of individual muscles on hamstring stretch, loading, and work during…”
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Cartilage defect location and stiffness predispose the tibiofemoral joint to aberrant loading conditions during stance phase of gait by Zevenbergen, Lianne, Smith, Colin R, Van Rossom, Sam, Thelen, Darryl G, Famaey, Nele, Vander Sloten, Jos, Jonkers, Ilse

“…The current study quantified the influence of cartilage defect location on the tibiofemoral load distribution during gait. Furthermore, changes in local…”
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Anterior Cruciate Ligament Graft Tunnel Placement and Graft Angle Are Primary Determinants of Internal Knee Mechanics After Reconstructive Surgery by Vignos, Michael F., Smith, Colin R., Roth, Joshua D., Kaiser, Jarred M., Baer, Geoffrey S., Kijowski, Richard, Thelen, Darryl G.

“…Background: Graft placement is a modifiable and often discussed surgical factor in anterior cruciate ligament (ACL) reconstruction (ACLR). However, the…”
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Wearable Tendon Kinetics by Harper, Sara E, Roembke, Rebecca A, Zunker, John D, Thelen, Darryl G, Adamczyk, Peter G

“…This study introduces a noninvasive wearable system for investigating tendon loading patterns during outdoor locomotion on variable terrain. The system…”
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