Jason R. Franz

Do Different Home-Based Resistance Training Programs Affect Running Economy and Plantarflexor Function in Middle-Aged Runners? An Exploratory Study

Kearns, Z. C., Krupenevich, R. L., Franz, J. R., Powell, D. W., & Paquette, M. R. (2026, February 4). Biomechanics.

A 40-Year Contemporary Evolution of Gait and Posture Mechanics in the Journal of Applied Biomechanics

Franz, J. R., McCrum, C., & Bhatt, T. S. (2025, June 11). Journal of Applied Biomechanics.

A Novel Method to Assess Subject‐Specific Architecture of the Achilles Tendon In Vivo in Humans

Finni, T., Khair, R., Franz, J. R., Sukanen, M., Cronin, N., & Cone, S. (2025, March 26). Scandinavian Journal of Medicine and Science in Sports.

Aberrant Gait Biomechanics Linked to Cartilage Changes After ACL Reconstruction in Those With High Body Mass Index

Lee, H., Buck, A. N., Armitano‐Lago, C., Creighton, R. A., Kamath, G. M., Spang, J. T., … Pietrosimone, B. (2025, May 19). Journal of Orthopaedic Research®, Vol. 5.

Acute effects of soleus EMG biofeedback training on tibiofemoral joint contact forces in young healthy adults

Hellman, E., Arokoski, J., Franz, J., Andersen, M. S., Korhonen, R. K., & Stenroth, L. (2025, March 25). Journal of Biomechanics.

Anticipation augments distal leg muscle neuromechanics before, during, and after treadmill-induced perturbations applied during walking

Eichenlaub, E. K., Allen, J., Mercer, V. S., Crenshaw, J. R., & Franz, J. R. (2025, January 22). Journal of Biomechanics.

Associations among ankle cartilage composition and ultrasound based measures of cartilage health in those with chronic ankle instability

Wikstrom, E. A., Jang, J., Pietrosimone, B., Franz, J. R., Nissman, D. B., & Lin, F.-C. (2025, September 16). Clinical Rheumatology.

Chronic Ankle Instability–Related Outcomes Associate With Ankle-Joint Loading During Walking

Jang, J., Blackburn, J. T., Tennant, J. N., Franz, J. R., Pietrosimone, B. G., & Wikstrom, E. A. (2025, June 1). Journal of Athletic Training.

Does Increasing Peak Vertical Ground Reaction Force During Gait Result In Greater Loading Post-ACL Reconstruction?

Buck, A. N., Armitano-Lago, C., Bjornsen, E., Davis-Wilson, H., Evans-Pickett, A., Munsch, A., … Pietrosimone, B. (2025, September 16). Medicine & Science in Sports & Exercise.

Exposure to visual perturbations elicits adaptation in step kinematics during gait in those with chronic ankle instability

Uzlasir, S., Franz, J. R., Shelton, A., Mohess, J. S., & Wikstrom, E. A. (2025, October 29). Journal of NeuroEngineering and Rehabilitation.

Lower Extremity Mechanical Energetics During Walking 6 Months Following Anterior Cruciate Ligament Reconstruction

Lee, H., Lisee, C., Büttner, C., Bjornsen, E., Favoreto, N., Creighton, R. A., … Pietrosimone, B. (2025, July 1). Scandinavian Journal of Medicine and Science in Sports.

Peak Vertical Ground Reaction Force Modifies Gait Biomechanics Bilaterally Following ACL Reconstruction: A Randomized Experiment

Bjornsen, E., Evans‐Pickett, A., Davis‐Wilson, H., Munsch, A. E., Blackburn, J. T., Franz, J. R., … Pietrosimone, B. (2025, May 20). Journal of Orthopaedic Research®.

Plantar sensation associates with gait instability in older adults

Franz, J. R., Shelton, A. D., Takahashi, K. Z., & Allen, J. L. (2025, January 23). Journal of NeuroEngineering and Rehabilitation.

Propulsion without penalty: greater soleus force with stiffer footwear does not necessarily increase estimated soleus metabolic cost across walking speeds

Davis, D. J., Ray, S. F., Franz, J. R., & Takahashi, K. Z. (2025, July 18). Journal of Applied Physiology.

The Effect of Shoe Insole Stiffness Modifications on Walking Performance in Older Adults: A Feasibility Study

White, L. T., Malcolm, P., Franz, J. R., & Takahashi, K. Z. (2025, January 3). Journal of Applied Biomechanics.

The effects of shoe structural features on agility and stability tasks during walking

Katugam-Dechene, K., Cook, A., Nguyen, A., Smith, R., Shelton, A., & Franz, J. R. (2025, September 11). PeerJ.

Tibiofemoral Joint Contact Force Profiles of Pediatric Patients After Anterior Cruciate Ligament Reconstruction

Bjornsen, E., Blackburn, J. T., Franz, J. R., Horton, W. Z., Padua, D. A., Shultz, S. J., … Pietrosimone, B. G. (2025, October 7). The American Journal of Sports Medicine.

Bilateral waveform analysis of gait biomechanics presurgery to 12 months following ACL reconstruction compared to controls

Büttner, C., Lisee, C., Bjornsen, E., Buck, A., Favoreto, N., Creighton, A., … Pietrosimone, B. (2024, December 4). Journal of Orthopaedic Research®.

Conceptual modeling of structural malalignments and ankle joint contact forces during walking

Jang, J., Pietrosimone, B. G., Blackburn, J. T., Tennant, J. N., Franz, J. R., & Wikstrom, E. A. (2024, December 9). Gait & Posture.

Effect of sensor number and location on accelerometry-based vertical ground reaction force estimation during walking

PLOS Digital Health, 3(5), e0000343.

Foot–Ankle Mechanical Transmission: Age Effects and the Relation to Ankle Push-Off During Walking

Gray, A. J., Takahashi, K. Z., Kashefsky, H. E., & Franz, J. R. (2024, November 5). Journal of Applied Biomechanics.

Limb Underloading in Walking Transmits Less Dynamic Knee Joint Contact Forces after Anterior Cruciate Ligament Reconstruction

MUNSCH, A. M. A. N. D. A. E., EVANS-PICKETT, A. L. Y. S. S. A., DAVIS-WILSON, H. O. P. E., PIETROSIMONE, B. R. I. A. N., RAUCH, C. A. R. L. Y. M., ROTH, J. O. S. H. U. A. D., & FRANZ, J. A. S. O. N. R. (2024, November 18). Medicine & Science in Sports & Exercise.

Modifying loading during gait leads to biochemical changes in serum cartilage oligomeric matrix protein concentrations in a subgroup of individuals with anterior cruciate ligament reconstruction

Armitano-Lago, C., Evans-Pickett, A., Davis-Wilson, H., Munsch, A., Longobardi, L., Willcockson, H., … Pietrosimone, B. (2024, February 15). Clinical Rheumatology.

Muscle contributions to reduced ankle joint contact force during drop vertical jumps in patients with chronic ankle instability

Jang, J., Franz, J. R., Pietrosimone, B. G., & Wikstrom, E. A. (2024, January 1). Journal of Biomechanics.

Peak vertical ground reaction force used to identify sub‐groups of individuals with differing biomechanical gait profiles post‐anterior cruciate ligament reconstruction

Collins, K., Lisee, C., Bjornsen, E., Armitano‐Lago, C., Buck, A., Büttner, C., … Pietrosimone, B. (2024, August 6). Journal of Orthopaedic Research®.

Plantar massage or ankle mobilization do not alter gait biomechanics in those with chronic ankle instability: a randomized controlled trial

Alamri, R., Migel, K., Cain, M. S., Song, K., Pietrosimone, B., Blackburn, J. T., … Wikstrom, E. A. (2024, October 11). Journal of Manual & Manipulative Therapy.

Questionnaires of self-perception poorly correlate with instability elicited by walking balance perturbations

Shelton, A. D., Allen, J. L., Mercer, V. S., Crenshaw, J. R., & Franz, J. R. (2024, December 12). PLoS ONE.

The aging Achilles tendon: model-predicted changes in calf muscle neuromechanics

Wagner, M. M., Clark, W. H., & Franz, J. R. (2024, November 23). Journal of Biomechanics.

The effects of age and task demand on dynamic mean ankle moment arm during walking

Gray, A. J., Adamczyk, P. G., & Franz, J. R. (2024, December 9). Gait & Posture.

3D characterization of the triple‐bundle Achilles tendon from in vivo high‐field MRI

Cone, S. G., Kim, H., Thelen, D. G., & Franz, J. R. (2023, June 27). Journal of Orthopaedic Research®.

A Wearable System for Continuous Monitoring and Assessment of Speech, Gait, and Cognitive Decline for Early Diagnosis of ADRD

Dieffenderfer, J., Brewer, A., Noonan, M. A., Smith, M., Eichenlaub, E., Haley, K. L., … Bozkurt, A. (2023, July 24). 2023 45TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY, EMBC.

Age-related changes in gait biomechanics and their impact on the metabolic cost of walking: Report from a National Institute on Aging workshop

Boyer, K. A., Hayes, K. L., Umberger, B. R., Adamczyk, P. G., Bean, J. F., Brach, J. S., … Kent, J. A. (2023, January 21). Experimental Gerontology.

Delayed cartilage oligomeric matrix protein response to loading is associated with femoral cartilage composition post-ACLR

Lisee, C., Evans-Pickett, A., Davis-Wilson, H., Munsch, A. E., Longobardi, L., Schwartz, T. A., … Pietrosimone, B. (2023, June 16). European Journal of Applied Physiology, Vol. 6.

Does the effect of walking balance perturbations generalize across contexts?

Shelton, A. D., McTaggart, E. M., Allen, J. L., Mercer, V. S., Crenshaw, J. R., & Franz, J. R. (2023, November 28). Human Movement Science.

Knee kinetics and the medial femoral cartilage cross-sectional area response to loading in indviduals with anterior cruciate ligament reconstruction

Bjornsen, E., Davis-Wilson, H., Evans-Picket, A., Horton, W. Z., Lisee, C., Munsch, A. E., … Pietrosimone, B. (2023, April 29). Clinical Biomechanics.

Physical Activity Associates with T1rho MRI of Femoral Cartilage After Anterior Cruciate Ligament Reconstruction

DAVIS-WILSON, H. O. P. E. C., THOMA, L. O. U. I. S. E. M., FRANZ, J. A. S. O. N. R., BLACKBURN, J. T. R. O. Y., LONGOBARDI, L. A. R. A., SCHWARTZ, T. O. D. D. A., … PIETROSIMONE, B. R. I. A. N. (2023, October 5). Medicine & Science in Sports & Exercise.

Sustained Limb‐Level Loading: A Ground Reaction Force Phenotype Common to Individuals at High Risk for and Those With Knee Osteoarthritis

Bjornsen, E., Berkoff, D., Blackburn, J. T., Davis‐Wilson, H., Evans‐Pickett, A., Franz, J. R., … Pietrosimone, B. (2023, November 14). Arthritis & Rheumatology.

A Low-Cost, Open Source Wireless Body Area Network for Clinical Gait Rehabilitation

Linking Gait Biomechanics and Daily Steps After ACL Reconstruction

LISEE, C. A. R. O. L. I. N. E., DAVIS-WILSON, H. O. P. E. C., EVANS-PICKETT, A. L. Y. S. S. A., HORTON, W. Z. A. C. H. A. R. Y., BLACKBURN, J. T. R. O. Y., FRANZ, J. A. S. O. N. R., … PIETROSIMONE, B. R. I. A. N. G. (2022, January 24). Medicine & Science in Sports & Exercise.

Multimodal Diagnostic Approaches to Advance Precision Medicine in Sarcopenia and Frailty

Lynch, D. H., Spangler, H. B., Franz, J. R., Krupenevich, R. L., Kim, H., Nissman, D., … Batsis, J. A. (2022, March 26). Nutrients.

Quadriceps Muscle Action and Association With Knee Joint Biomechanics in Individuals with Anterior Cruciate Ligament Reconstruction

Quantifying mechanical and metabolic interdependence between speed and propulsive force during walking

Pimentel, R. E., Feldman, J. N., Lewek, M. D., & Franz, J. R. (2022, September 9). Frontiers in Sports and Active Living.

Shorter muscle fascicle operating lengths increase the metabolic cost of cyclic force production

Beck, O. N., Trejo, L. H., Schroeder, J. N., Franz, J. R., & Sawicki, G. S. (2022, July 14). Journal of Applied Physiology.

Slowing down to preserve balance in the presence of optical flow perturbations

Shelton, A. D., McTaggart, E. M., Allen, J. L., Mercer, V. S., & Franz, J. R. (2022, July 1). Gait & Posture.

The metabolic cost of walking balance control and adaptation in young adults

Ahuja, S., & Franz, J. R. (2022, May 28). Gait & Posture.

A sound approach to improving exoskeletons and exosuits

Franz, J. R. (2021, November 10). Science Robotics.

Age does not affect the relationship between muscle activation and joint work during incline and decline walking

Waanders, J. B., Murgia, A., DeVita, P., Franz, J. R., & Hortobágyi, T. (2021, June 11). Journal of Biomechanics.

Age-related changes to triceps surae muscle-subtendon interaction dynamics during walking

Clark, W. H., & Franz, J. R. (2021, October 28). Scientific Reports.

Age-related differences in calf muscle recruitment strategies in the time-frequency domain during walking as a function of task demand

Kim, H., & Franz, J. R. (2021, September 2). Journal of Applied Physiology.

Association of Quality of Life With Moderate-to-Vigorous Physical Activity After Anterior Cruciate Ligament Reconstruction

Davis-Wilson, H. C., Thoma, L. M., Longobardi, L., Franz, J. R., Blackburn, J. T., Hackney, A. C., & Pietrosimone, B. (2021, July 30). Journal of Athletic Training.

Cueing Changes in Peak Vertical Ground Reaction Force to Improve Coordination Dynamics in Walking

Armitano-Lago, C., Pietrosimone, B., Evans-Pickett, A., Davis-Wilson, H., Franz, J. R., Blackburn, T., & Kiefer, A. W. (2021, June 20). Journal of Motor Behavior.

Editorial: Tendon Structure-Function Relationship in Health, Ageing, and Injury

Maas, H., Arndt, T., & Franz, J. R. (2021, June 18). Frontiers in Sports and Active Living.

Personalized fusion of ultrasound and electromyography-derived neuromuscular features increases prediction accuracy of ankle moment during plantarflexion

Zhang, Q., Clark, W. H., Franz, J. R., & Sharma, N. (2021, September 2). Biomedical Signal Processing and Control, Vol. 1.

Reduced Achilles Tendon Stiffness Disrupts Calf Muscle Neuromechanics in Elderly Gait

Krupenevich, R. L., Beck, O. N., Sawicki, G. S., & Franz, J. R. (2021, July 16). Gerontology.

The metabolic and mechanical consequences of altered propulsive force generation in walking

Pieper, N. L., Baudendistel, S. T., Hass, C. J., Diaz, G. B., Krupenevich, R. L., & Franz, J. R. (2021, April 18). Journal of Biomechanics.

Biofeedback augmenting lower limb loading alters the underlying temporal structure of gait following anterior cruciate ligament reconstruction

Armitano-Lago, C., Pietrosimone, B., Davis-Wilson, H. C., Evans-Pickett, A., Franz, J. R., Blackburn, T., & Kiefer, A. W. (2020, September 24). Human Movement Science.

Biomechanical effects of manipulating peak vertical ground reaction force throughout gait in individuals 6–12 months after anterior cruciate ligament reconstruction

Evans-Pickett, A., Davis-Wilson, H. C., Luc-Harkey, B. A., Blackburn, J. T., Franz, J. R., Padua, D. A., … Pietrosimone, B. (2020, April 22). Clinical Biomechanics.

Can optical flow perturbations detect walking balance impairment in people with multiple sclerosis?

Selgrade, B. P., Meyer, D., Sosnoff, J. J., & Franz, J. R. (2020, March 10). PLoS ONE.

Effects of Horizontal Impeding Force Gait Training on Older Adult Push-Off Intensity

CONWAY, K. A. T. I. E. A., CRUDUP, K. E. Y. A. I. R. A. L., LEWEK, M. I. C. H. A. E. L. D., & FRANZ, J. A. S. O. N. R. (2020, August 21). Medicine & Science in Sports & Exercise.

Effects of aging and target location on reaction time and accuracy of lateral precision stepping during walking

Selgrade, B. P., Childs, M. E., & Franz, J. R. (2020, February 28). Journal of Biomechanics.

Gradually learning to increase gait propulsion in young unimpaired adults

Herrero, L., Franz, J. R., & Lewek, M. D. (2020, December 18). Human Movement Science.

Imaging and Simulation of Inter-muscular Differences in Triceps Surae Contributions to Forward Propulsion During Walking

Clark, W. H., Pimentel, R. E., & Franz, J. R. (2020, September 8). Annals of Biomedical Engineering.

Immediate Biochemical Changes After Gait Biofeedback in Individuals With Anterior Cruciate Ligament Reconstruction

Luc-Harkey, B. A., Franz, J., Hackney, A. C., Blackburn, J. T., Padua, D. A., Schwartz, T., … Pietrosimone, B. (2020, September 23). Journal of Athletic Training.

Older Adults Overcome Reduced Triceps Surae Structural Stiffness to Preserve Ankle Joint Quasi-Stiffness During Walking

Krupenevich, R. L., Clark, W. H., Sawicki, G. S., & Franz, J. R. (2020, June 5). Journal of Applied Biomechanics.

Shorter gastrocnemius fascicle lengths in older adults associate with worse capacity to enhance push-off intensity in walking

Conway, K. A., & Franz, J. R. (2020, January 21). Gait & Posture.

The effects of knee extensor moment biofeedback on gait biomechanics and quadriceps contractile behavior

Munsch, A. E., Pietrosimone, B., & Franz, J. R. (2020, July 8). PeerJ.

These legs were made for propulsion: advancing the diagnosis and treatment of post-stroke propulsion deficits

Awad, L. N., Lewek, M. D., Kesar, T. M., Franz, J. R., & Bowden, M. G. (2020, October 21). Journal of NeuroEngineering and Rehabilitation.

Activation-Dependent Changes in Soleus Length–Tension Behavior Augment Ankle Joint Quasi-Stiffness

Clark, W. H., & Franz, J. R. (2019, January 24). Journal of Applied Biomechanics.

Ankle power biofeedback attenuates the distal-to-proximal redistribution in older adults

Browne, M. G., & Franz, J. R. (2019, April 11). Gait & Posture.

Can shank acceleration provide a clinically feasible surrogate for individual limb propulsion during walking?

Pieper, N. L., Lewek, M. D., & Franz, J. R. (2019, October 23). Journal of Biomechanics.

How age and surface inclination affect joint moment strategies to accelerate and decelerate individual leg joints during walking

Waanders, J. B., Murgia, A., Hortobágyi, T., DeVita, P., & Franz, J. R. (2019, October 22). Journal of Biomechanics.

Increasing the Propulsive Demands of Walking to Their Maximum Elucidates Functionally Limiting Impairments in Older Adult Gait

Conway, K. A., & Franz, J. R. (2019, May 29). Journal of Aging and Physical Activity.

Time-dependent tuning of balance control and aftereffects following optical flow perturbation training in older adults

Richards, J. T., Selgrade, B. P., Qiao, M., Plummer, P., Wikstrom, E. A., & Franz, J. R. (2019, July 1). Journal of NeuroEngineering and Rehabilitation.

Triceps surae muscle–subtendon interaction differs between young and older adults

Clark, W. H., & Franz, J. R. (2019, May 22). Connective Tissue Research.

Visuomotor error augmentation affects mediolateral head and trunk stabilization during walking

Qiao, M., Richards, J. T., & Franz, J. R. (2019, November 12). Human Movement Science.

Advanced Age Redistributes Positive but Not Negative Leg Joint Work during Walking

WAANDERS, J. E. R. O. E. N. B., HORTOBÁGYI, T. I. B. O. R., MURGIA, A. L. E. S. S. I. O., DEVITA, P. A. U. L., & FRANZ, J. A. S. O. N. R. (2018, November 1). Medicine & Science in Sports & Exercise.

Aging effects on leg joint variability during walking with balance perturbations

Qiao, M., Feld, J. A., & Franz, J. R. (2018, February 21). Gait & Posture.

Ankle Rotation and Muscle Loading Effects on the Calcaneal Tendon Moment Arm: An In Vivo Imaging and Modeling Study

Franz, J. R., Khanchandani, A., McKenny, H., & Clark, W. H. (2018, November 1). Annals of Biomedical Engineering.

Association between kinesiophobia and walking gait characteristics in physically active individuals with anterior cruciate ligament reconstruction

Luc-Harkey, B. A., Franz, J. R., Losina, E., & Pietrosimone, B. (2018, June 18). Gait & Posture.

Do triceps surae muscle dynamics govern non-uniform Achilles tendon deformations?

PeerJ, 6.

Does local dynamic stability during unperturbed walking predict the response to balance perturbations? An examination across age and falls history

Qiao, M., Truong, K. N., & Franz, J. R. (2018, March 5). Gait & Posture.

The Functional Utilization of Propulsive Capacity During Human Walking

Conway, K. A., Bissette, R. G., & Franz, J. R. (2018, July 10). Journal of Applied Biomechanics.

The effects of cognitive load and optical flow on antagonist leg muscle coactivation during walking for young and older adults

Acuña, S. A., Francis, C. A., Franz, J. R., & Thelen, D. G. (2018, November 8). Journal of Electromyography and Kinesiology.

Do kinematic metrics of walking balance adapt to perturbed optical flow?

Thompson, J. D., & Franz, J. R. (2017, April 2). Human Movement Science.