Scholarly journal articles produced by faculty and staff of the Biomechanics Research Building are collected here.

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Submissions from 2022

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Machine Learning-Based Peripheral Artery Disease Identification Using Laboratory-Based Gait Data, Ali Al-Ramini, Mahdi Hassan, Farah Fallahtafti, Mohammad Ali Takallou, Hafizur Rahman, Basheer Qolomany, Iraklis Pipinos, Fadi Alsaleem, and Sara A. Myers

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Metabolically efficient walking assistance using optimized timed forces at the waist, Prokopios Antonellis, Arash Mohammadzadeh Gonabadi, Sara Myers, Iraklis Pipinos, and Philippe Malcolm

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A robust technique for optimal fitting of roll-over shapes of human locomotor systems, Ganesh M. Bapat and Sara A. Myers

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Long-term use of an ankle-foot orthosis intervention in patients with peripheral artery disease using the integrated promoting action on research implementation in health services (i-PARIHS) framework, Ayisha Bashir, Danae Dinkel, Iraklis Pipinos, Paul Estabrooks, Jason Johanning, and Sara A. Myers

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Patient Compliance With Wearing Lower Limb Assistive Devices: A Scoping Review, Ayisha Bashir, Danae Dinkel, Iraklis Pipinos, Jason Johanning, and Sara Myers

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Assessing wear time and perceptions of wearing an ankle foot orthosis in patients with peripheral artery disease, Danae Dinkel, Mahdi Hassan, Holly DeSpiegelaere, Jason Johanning, Iraklis Pipinos, and Sara Myers

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Assessing wear time and perceptions of wearing an ankle foot orthosis in patients with peripheral artery disease, Danae Dinkel, Mahdi Hassan, John Rech, Holly DeSpiegelaere, Jason Johanning, Iraklis Pipinos, and Sara A. Myers

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Development of a Rural Childcare Professionals Advisory Board Focused on Mental and Physical Wellbeing, Danae Dinkel, John Rech, Natalie Hanna, Denita Julius, Jennifer Bauman, Tonya Hood-Hytrek, and Matthew Bice

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Joint Angle Variability Is Altered in Patients with Peripheral Artery Disease after Six Months of Exercise Intervention, Farah Fallahtafti, Zahra Salamifar, Mahdi Hassan, Hafizur Rahman, Iraklis Pipinos, and Sara A. Myers

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Peripheral artery disease affects the function of the legs of claudicating patients in a diffuse manner irrespective of the segment of the arterial tree primarily involved, Todd Leutzinger, Panagiotis Koutakis, Matthew A. Fuglestad, Hafizur Rahman, Holly DeSpiegelaere, Mahdi Hassan, Molly Schieber, Jason Johanning, Nick Stergiou, G. Matthew Longo, George P. Casale, Sara A. Myers, and Iraklis Pipinos

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Midlands Voices: We need to do more to support expecting mothers during and after pregnancy, Sara A. Myers

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Muscle forces and power are significantly reduced during walking in patients with peripheral artery disease, Hafizur Rahman, Cody Anderson, Iraklis Pipinos, Jason Johanning, George P. Casale, Jianghu Dong, Holly DeSpiegelaere, Mahdi Hassan, and Sara A. Myers

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Qualitative Analysis of Colorectal Cancer Screening in Rural Nebraska, Kendra L. Ratnapradipa, Krishtee Napit, Jordan Ranta, Lady Beverly Luma, Danae Dinkel, Tamara Robinson, Laura Schabloske, and Shinobu Watanabe-Galloway

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Qualitative analysis of cancer care experiences among rural cancer survivors and caregivers, Kendra L. Ratnapradipa, Jordan Ranta, Krishtee Napit, Lady Beverly Luma, Tamara Robinson, Danae Dinkel, Laura Schabloske, and Shinobu Watanabe-Galloway

Submissions from 2021

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Considerations for Implementation of an Ankle-Foot Orthosis to Improve Mobility in Peripheral Artery Disease, Ayisha Bashir, Danae Dinkel, Ganesh M. Bapat, Holly DeSpiegelaere, Mahdi Hassan, Jason M. Johanning, Iraklis I. Pipinos, and Sara A. Myers

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Examining physical activity in users of campus recreation during campus closure due to COVID-19. Journal of Kinesiology and Wellness, Katie Burcal, Michaela Schenkelberg, Jeanne Surface, and Danae Dinkel

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A qualitative exploration of the feasibility of incorporating depression apps into integrated primary care clinics, Danae Dinkel, Jennifer Harsh Caspari, Louis Fok, Maxine Notice, David J. Johnson, Shinobu Watanabe-Galloway, and Margaret R. Emerson

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A Cross-Sectional Examination of Physical Activity, Sedentary Time, and Sleep Between Adults With and Without Children in the Home Using the National Health and Nutrition Examination Survey, Danae Dinkel, Kelsey Lu, Jemima John, Kailey Snyder, and Lisette T. Joacobson

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A qualitative comparison of parent and childcare provider perceptions of communication and family engagement in children's healthy eating and physical activity, Danae Dinkel, Maggie Rasmussen, John Rech, Kailey Snyder, and Dipti A. Dev

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Examining Differences in Achievement of Physical Activity Best Practices Between Urban and Rural Child Care Facilities by Age, Danae Dinkel, John Rech, Yage Guo, Matthew R. Bice, Emily Hulse, Donnia Behrends, Christina Burger, and Dipti Dev

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Student Perceptions of a Service-Learning Course in a Rural Setting, Danae Dinkel, Shane Warehime, Julia Zurek, Olivia Welch, Kelsi Leininger, Kaitlyn McNeil, John Rech, and Kyle Ryan

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Mental health mobile app use: Considerations for serving underserved patients in integrated primary care settings, Margaret R. Emerson, Jennifer Harsh Caspari, Maxine Notice, Shinobu Watanabe-Galloway, Danae Dinkel, and Josiane Kabayundo

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Measuring freezing of gait during daily-life: an open-source, wearable sensors approach, Martina Mancini, Vrutangkumar V. Shah, Samuel Stuart, Carolin Curtze, Fay B. Horak, Delaram Safarpour, and John G. Nutt

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Choosing What to Do or Not to Do on the Job, Sara A. Myers

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Grant funding strategy: Which grants to apply for?, Sara A. Myers

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Claudicating patients with peripheral artery disease have meaningful improvement in walking speed after supervised exercise therapy, Hafizur Rahman, Iraklis Pipinos, Jason M. Johanning, George P. Casale, Mark A. Williams, Jonathan R. Thompson, Yohanis O'Neill-Casto, and Sara A. Myers

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Gait variability is affected more by peripheral artery disease than by vascular occlusion, Hafizur Rahman, Iraklis Pipinos, Jason M. Johanning, and Sara A. Myers

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Physical Activity, Physical Well-Being, and Psychological Well-Being: Associations with Life Satisfaction during the COVID-19 Pandemic among Early Childhood Educators, Ken Randall, Timothy G. Ford, Kyong-Ah Kwon, Susan Sisson, Matthew Bice, Danae Dinkel, and Jessica Tsotsoros

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The Use of Family Engagement Principles by Childcare Providers From Various Childcare Settings: A Qualitative Study, John Rech, Kailey Snyder, Maggie Rasmussen, Dipti A. Dev, and Danae Dinkel

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Risk-of-falling related to outcomes improved in community-dwelling older adults after a 6-week sideways walking intervention: A feasibility and pilot study, ANDREAS SKIADOPOULOS and Nicholas Stergiou

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Early impact of the COVID-19 pandemic on promotion of infant activity, strength and communication: A qualitative exploration, Kailey Snyder, Priyanka Chaudhary, Angela Pereira, Kimberly Masuda, Jessica Niski, and Danae Dinkel

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Examining supports and barriers to breastfeeding through a socio-ecological lens: a qualitative study, Kailey Snyder, Emily Hulse, Holly Dingman, Angie Cantrell, Corrine Hanson, and Danae Dinkel

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Perspectives of infant active play: a qualitative comparison of working versus stay-at-home parents, Kailey Snyder, John Rech, Kimberly Masuda, and Danae Dinkel

Submissions from 2020

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Modular footwear that partially offsets downhill or uphill grades minimizes the metabolic cost of human walking, Prokopios Antonellis, Cory M. Frederick, Arash Mohammadzadeh Gonabadi, and Philippe Malcolm

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Cytokine signature of inflammation mediated by autoreactive Th-cells, in calf muscle of claudicating patients with Fontaine stage II peripheral artery disease, George P. Casale, Johnathan R. Thompson, Lauren C. Carpenter, Julian Kyung-Soo Kim, Timothy J. Lackner, Constance Mietus, Duy M. Ha, Sara A. Myers, Katyarina E. Brunette, Shuai Li, Christina Shields, Gregory Wilcockson, and Iraklis Pipinos

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Strength of Plantar- and Dorsiflexors Mediates Step Regularity During a High Cognitive Load Situation in a Cross-sectional Cohort of Older and Younger Adults, Farahnaz Fallah Tafti, Kristen Watson, Julie Blaskewicz Boron, Sara A. Myers, Kendra K. Schmid, and Jennifer M. Yentes

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Reply, Matthew A. Fuglestad, Hernan Hernandez MD, Yue Gao, Henamari Ybay, Molly Schieber, Katyarina E. Brunette, Sara A. Myers, George P. Casale, and Iraklis Pipinos

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Differences between joint-space and musculoskeletal estimations of metabolic rate time profiles, Arash Mohammadzadeh Gonabadi, Prokopios Antonellis, and Philippe Malcolm

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ACL injury and reconstruction affect control of ground reaction forces produced during a novel task that simulates cutting movements, Amelia Lanier, Brian Knarr, Nicholas Stergiou, Lynn Snyder-Mackler, and Thomas S. Buchanan

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Stochastic Resonance Reduces Sway and Gait Variability in Individuals With Unilateral Transtibial Amputation: A Pilot Study, Aaron Likens, Jenny A. Kent, C. Ian Sloan, Shane R. Wurdeman, and Nicholas Stergiou

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Working with the Kids at Home? Tips from an Experienced Parent, Sara A. Myers

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Aromatic L-Amino Acid Decarboxylase Gene Therapy EnhancesLevodopa Response in Parkinson’s Disease, John G. Nutt, Carolin Curtze, Amie Hiller, Shannon Anderson, Paul S. Larson, Amber D. Van Laar, R. Mark Richardson, Marin E. Thompson, Alexander Sedkov, Mika Leinonen, Bernard Ravina, Krystof Bankiewicz, and Chadwick W. Christine

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Linear and Nonlinear Measures of Postural Control in a Toddler With Cerebral Palsy: Brief Report, Samuel R. Pierce, Athylia C. Paremski, Julie Skorup, Nicholas Stergiou, Ben Senderling, and Laura A. Prosser

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To walk or to run – a question of movement attractor stability, Peter C. Raffalt, Jenny A. Kent, Shane R. Wurdeman, and Nicholas Stergiou

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Filtering affects the calculation of the largest Lyapunov exponent, Peter C. Raffalt, Ben Senderling, and Nicholas Stergiou

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Assessing the Temporal Organization of Walking Variability: A Systematic Review and Consensus Guidelines on Detrended Fluctuation Analysis, Deepak K. Ravi, Vivien Marmelat, William R. Taylor, Karl M. Newell, Nicholas Stergiou, and Navrag B. Singh

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Effect of Bout Length on Gait Measures in People with and without Parkinson’s Disease during Daily Life, Vrutangkumar V. Shah, James McNames, Graham Harker, Martina Mancini, Patricia Carlson-Kuhta, John G. Nutt, Mahmoud El-Gohary, Carolin Curtze, and Fay B. Horak

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Laboratory versus daily life gait characteristics in patients with multiple sclerosis, Parkinson’s disease, and matched controls, Vrutangkumar V. Shah, James McNames, Martina Mancini, Patricia Carlson-Kuhta, Rebecca I. Spain, John G. Nutt, Mahmoud El-Gohary, Carolin Curtze, and Fay B. Horak

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Step width variability as a discriminator of age-related gait changes, ANDREAS SKIADOPOULOS, Emily E. Moore, Harlan Sayles, Kendra K. Schmid, and Nicholas Stergiou

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Swaying to the complex motion of a visual target affects postural sway variability, Haralampos Sotirakis, Dimitrios A. Patikas, Nicholas Stergiou, and Vassilia Hatzitaki

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Age induced modifications in the persistency of voluntary sway when actively tracking the complex motion of a visual target, Haralampos Sotirakis, Nick Stergiou, Dimitrios A. Patikas, and Vassilia Hatzitaki

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Lessons Learned: How to Organize Your Laboratory Meetings, Nicholas Stergiou

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Gait complexity is acutely restored in older adults when walking to a fractal-like visual stimulus, Joao R. Vaz, Brian Knarr, and Nicholas Stergiou

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Auditory and Visual External Cues Have Different Effects on Spatial but Similar Effects on Temporal Measures of Gait Variability, Joao R. Vaz, Troy Rand, Jessica Fujan-Hansen, Mukul Mukherjee, and Nicholas Stergiou

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Postural control is altered in females with excessive medial knee displacement, Joao R. Vaz, Nikolaos Stergiou, Ana Diniz, Ricardo Dinis, and Pedro Pezarat-Correia

Submissions from 2019

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Abstract 482: Differences in Ground Reaction Forces and Chest Compression Release Velocity in Professional and Lay Rescuers With and Without the Use of Real-Time CPR Feedback, Lyra Clark, Ben Senderling, Jeff R. Gould, Chris Kaufman, and Nicholas Stergiou

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Kinematic differences between professional and lay rescuers with and without the use of real-time cpr feedback, Lyra Clark, Ben Senderling, Jeff R. Gould, Chris Kaufman, and Nicholas Stergiou

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A low-cost, wireless near-infrared spectroscopy device detects the presence of lower extremity atherosclerosis as measured by computed tomographic angiography and characterizes walking impairment in peripheral artery disease, Matthew A. Fuglestad, Hernan Hernandez, Yue Gao, Henamari Ybay, Molly Schieber, Katyarina E. Brunette, Sara A. Myers, George P. Casale, and Iraklis Pipinos

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Stride-time variability is related to sensorimotor cortical activation during forward and backward walking, Boman Groff, Prokopios Antonellis, Kendra K. Schmid, Brian Knarr, and Nicholas Stergiou

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The effects of ankle stiffness on mechanics and energetics of walking with added loads: a prosthetic emulator study, Erica Hedrick, Philippe Malcolm, Jason M. Wilken, and Kota Z. Takahashi

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The foot and ankle structures reveal emergent properties analogous to passive springs during human walking, Erica Hedrick, Steven J. Stanhope, and Kota Z. Takahashi

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An altered spatiotemporal gait adjustment during a virtual obstacle crossing task in patients with diabetic peripheral neuropathy, Chun-Kai Huang, Vijay Shivaswamy, Pariwat Thaisetthawatkul, Lynn Mack, Nicholas Stergiou, and Ka-Chun Siu

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Locomotor patterns change over time during walking on an uneven surface, Jenny A. Kent, Joel H. Sommerfeld, Mukul Mukherjee, Kota Z. Takahashi, and Nicholas Stergiou

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Changes in human walking dynamics induced by uneven terrain are reduced with ongoing exposure, but a higher variability persists, Jenny A. Kent, Joel H. Sommerfeld, and Nicholas Stergiou

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Uneven terrain exacerbates the deficits of a passive prosthesis in the regulation of whole body angular momentum in individuals with a unilateral transtibial amputation, Jenny A. Kent, Kota Z. Takahashi, and Nicholas Stergiou

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Ankle and midtarsal joint quasi-stiffness during walking with added mass, Andrew M. Kern, Nikolaos Papachatzis, Jeffrey M. Patterson, Dustin A. Bruening, and Kota Z. Takahashi

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Effect of sampling frequency on fractal fluctuations during treadmill walking, Vivien Marmelat, Austin Duncan, and Shane Meltz

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Gait Mechanics Differences Between Healthy Controls and Patients With Peripheral Artery Disease After Adjusting for Gait Velocity, Stride Length, and Step Width, John D. McCamley, Eric Cutler, Kendra K. Schmid, Shane R. Wurdeman, Jason Johanning, Iraklis Pipinos, and Sara A. Myers

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Selection Procedures for the Largest Lyapunov Exponent in Gait Biomechanics, Peter C. Raffalt, Jenny A. Kent, Shane R. Wurdeman, and Nicholas Stergiou

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Alterations in Cortical Activation Among Individuals With Chronic Ankle Instability During Single-Limb Postural Control, Adam Rosen, Jennifer M. Yentes, Melanie L. McGrath, Arthur C. Maerlender, Sara A. Myers, and Mukul Mukherjee

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Supervised walking exercise therapy improves gait biomechanics in patients with peripheral artery diseas, Molly Schieber, Iraklis Pipinos, Jason M. Johanning, George P. Casale, Mark A. Williams, Holly DeSpiegelaere, Ben Senderling, and Sara A. Myers

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Synchronization dynamics modulates stride-to-stride fluctuations when walking to an invariant but not to a fractal-like stimulus, Joao R. Vaz, Boman Groff, Douglas Rowen, Brian Knarr, and Nicholas Stergiou

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Walking speed and spatiotemporal step mean measures are reliable during feedback-controlled treadmill walking; however, spatiotemporal step variability is not reliable, Casey Wiens, William Denton, Molly Schieber, Vivien Marmelat, Sara A. Myers, and Jennifer M. Yentes

Submissions from 2018

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Altering gait variability with an ankle exoskeleton, Prokopios Antonellis, Samuel Galle, Dirk De Clercq, and Philippe Malcolm

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Gait Stability Has Phase-Dependent Dual-Task Costs in Parkinson’s Disease, Peter C. Fino, Martina Mancini, Carolin Curtze, John G. Nutt, and Fay B. Horak

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Gait Asymmetry in People With Parkinson’s Disease Is Linked to Reduced Integrity of Callosal Sensorimotor Regions, Brett W. Fling, Carolin Curtze, and Fay B. Horak

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When Coordinating Finger Tapping to a Variable Beat the Variability Scaling Structure of the Movement and the Cortical BOLD Signal are Both Entrained to the Auditory Stimuli, Steven Harrison, Michael Hough, Kendra K. Schmid, Boman Groff, and Nicholas Stergiou

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Orderliness of Visual Stimulus Motion Mediates Sensorimotor Coordination, Joshua L. Haworth and Nicholas Stergiou

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Quantification of Daily Physical Activity and Sedentary Behavior of Claudicating Patients, Hernan Hernandez, Sara A. Myers, Molly Schieber, Duy M. Ha, Sarah Baker, Panagiotis Koutakis, Kyung-Soo Kim, Constance Mietus, George P. Casale, and Iraklis Pipinos

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Infant sitting postural control appears robust across changes in surface context, Elena Kokkoni, Joshua Haworth, Regina T. Harbourne, Nicholas Stergiou, and Anastasia Kyvelidou

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Visual and somatosensory contributions to infant sitting postural control, Anastasia Kyvelidou and Nicholas Stergiou

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A Novel and Safe Approach to Simulate Cutting Movements Using Ground Reaction Forces, Amelia Lanier, Brian Knarr, Nicholas Stergiou, and Thomas S. Buchanan

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Optic flow improves step width and length in older adults while performing dual task, Taylor Leeder, Farah Fallahtafti, Molly Schieber, Sara A. Myers, Julie Blaskewicz Boron, and Jennifer M. Yentes

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Bi-articular Knee-Ankle-Foot Exoskeleton Produces Higher Metabolic Cost Reduction than Weight-Matched Mono-articular Exoskeleton, Philippe Malcolm, Samuel Galle, and Dirk De Clercq

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Exoskeleton assistance symmetry matters: unilateral assistance reduces metabolic cost, but relatively less than bilateral assistance, Philippe Malcolm, Samuel Galle, Pieter Van den Berghe, and Dirk De Clercq

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On the Calculation of Sample Entropy Using Continuous and Discrete Human Gait Data, John D. McCamley, William Denton, Peter C. Raffalt, and Jennifer M. Yentes

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Introducing Statistical Persistence Decay – A Quantification of Stride-to-Stride Time Interval Dependency in Human Gait, P. C. Raffalt and J. M. Yentes

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On the choice of multiscale entropy algorithm for quantification of complexity in gait data, Peter C. Raffalt, William Denton, and Jennifer M. Yentes

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Sampling frequency influences sample entropy of kinematics during walking, Peter C. Raffalt, John D. McCamley, William Denton, and Jennifer M. Yentes

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Lower limb joint angle variability and dimensionality are different in stairmill climbing and treadmill walking, Peter C. Raffalt, Srikant Vallabhajosula, Jessica Renz, Mukul Mukherjee, and Nicholas Stergiou

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Prosthetic energy return during walking increases after 3 weeks of adaptation to a new device, Samuel F. Ray, Shane R. Wurdeman, and Kota Z. Takahashi

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Stride-to-stride fluctuations in transtibial amputees are not affected by changes in push-off mechanics from using different prostheses, Chase G. Rock, Shane R. Wurdeman, Nikolas Stergiou, and Kota Z. Takahashi

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Biomechanical Gait Variable Estimation Using Wearable Sensors after Unilateral Total Knee Arthroplasty, Ik-Hyun Youn, Jong-Hoon Youn, Joseph A. Zeni, and Brian A. Knarr

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Coactivation index of children with congenital upper limb reduction deficiencies before and after using a wristdriven 3D printed partial hand prosthesis, Jorge Zuniga, Dimitrios Kastavelis, Jean Peck, Rakesh Srivastava, James E. Pierce, Drew R. Dudley, David A. Salazar, Keaton J. Young, and Brian A. Knarr

Submissions from 2017

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Multifractality, Interactivity, and the Adaptive Capacity of the Human Movement System: A Perspective for Advancing the Conceptual Basis of Neurologic Physical Therapy, Jon Cavanaugh, Damian G. Kelty-Stephen, and Nicholas Stergiou

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Mastoid vibration affects dynamic postural control during gait in healthy older adults, Jung Hung Chien, Mukul Mukherjee, Jenny Kent, and Nick Stergiou

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Reducing the metabolic cost of walking with an ankle exoskeleton: interaction between actuation timing and power, Samuel Galle, Philippe Malcolm, Steven Hartley Collins, and Dirk De Clercq

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Dynamic balance changes within three weeks of fitting a new prosthetic foot component, Jenny A. Kent, Nicholas Stergiou, and Shane R. Wurdeman

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Human-in-the-loop Bayesian optimization of wearable device parameters, Myunghee Kim, Ye Ding, Philippe Malcolm, Jozefien Speeckaert, Christopher Siviy, and Conor J. Walsh

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Children with moderate to severe cerebral palsy may not benefit from stochastic vibration when developing independent sitting, Anastasia Kyvelidou, Regina T. Harbourne, Joshua L. Haworth, Kendra K. Schmid, and Nicholas Stergiou