Submissions from 2013
Gait variablility is altered in older adults when listening to auditory stimuli with differing temporal structures, Jeffrey P. Kaipust, Denise McGrath, Mukul Mukherjee, and Nikolaos Stergiou
Changes in the activation and function of the ankle plantar flexor muscles due to gait retraining in chronic stroke survivors, Brian A. Knarr, Trisha M. Kesar, Darcy S. Reiman, and Stuart A. Binder-Macleod
Sitting Postural Control in Infants With Typical Development, Motor Delay, or Cerebral Palsy, Anastasia Kyvelidou, Regina T. Harbourne, Sandra L. Willett, and Nikolaos Stergiou
New Perspectives in Human Movement Variability, Thurmon Lockhart and Nikolaos Stergiou
A Simple Exoskeleton That Assists Plantarflexion Can Reduce the Metabolic Cost of Human Walking, Philippe Malcolm, Wim Derave, Samuel Galle, and Dirk De Clercq
Flexibility in Food Extraction Techniques in Urban Free-Ranging Bonnet Macaques, Macaca radiata, Madhur Mangalam and Mewa Singh
Psychosocial and cognitive function in children with nephrotic syndrome: association with disease and treatment variables, Panagiota Manti, George Giannakopoulos, Elena Giouroukou, Helen Georgaki-Angelaki, Constantinos J. Stefanidis, Andromahi Mitsioni, Nikolaos Stergiou, Constantinos Mihas, George P. Chrousos, Maria Alexandra Magiakou, and Gerasimos Kolaitis
Stroke Survivors Control the Temporal Structure of Variability During Reaching in Dynamic Environments, Mukul Mukherjee, Panagiotis Koutakis, K.-C. Siu, Pierre B. Fayad, and Nikolaos Stergiou
Vascular Occlusion Affects Gait Variability Patterns of Healthy Younger and Older Individuals, Sara A. Myers, Jason Johanning, Iraklis Pipinos, Kendra K. Schmid, and Nikolaos Stergiou
Temporal structure of variability decreases in upper extremity movements post stroke, Amit Sethi, Tara Patterson, Theresa McGuirk, Carolynn Patten, Lorie G. Richards, and Nikolaos Stergiou
A Perspective on Human Movement Variability With Applications in Infancy Motor Development, Nikolaos Stergiou, Yawen Yu, and Anastasia Kyvelidou
Skills Learning in Robot-Assisted Surgery Is Benefited by Task-Specific Augmented Feedback, Srikant Vallabhajosula, Srikant Vallabhajosula, Timothy N. Judkins, Mukul Mukherjee, I. H. Suh, D. Oleynikov, and K.-C. Siu
Multiple Sclerosis Alters the Mechanical Work Performed on the Body's Center of Mass During Gait, Shane R. Wurdeman, Jessie M. Huisinga, Mary Filipi, and Nikolaos Stergiou
Prosthesis preference is related to stride-to-stride fluctuations at the prosthetic ankle, Shane R. Wurdeman, Sara A. Myers, Adam L. Jacobsen, and Nikolaos Stergiou
Transtibial Amputee Joint Motion has Increased Attractor Divergence During Walking Compared to Non-Amputee Gait, Shane R. Wurdeman, Sara A. Myers, and Nikolaos Stergiou
Temporal structure of variability reveals similar control mechanisms during lateral stepping and forward walking, Shane R. Wurdeman and Nikolaos Stergiou
The Effect of a Short Duration, High Intensity Exercise Intervention on Gait Biomechanics in Patients With COPD: Findings From a Pilot Study, Jenna M. Yentes, Daniel Blanke, Stephen I. Rennard, and Nikolaos Stergiou
The Appropriate Use of Approximate Entropy and Sample Entropy with Short Data Sets, Jenna M. Yentes, Nathaniel Hunt, Kendra K. Schmid, Jeffrey P. Kaipust, Denise McGrath, and Nikolaos Stergiou
Submissions from 2012
Reliability of Semiautomated Computational Methods for Estimating Tibiofemoral Contact Stress in the Multicenter Osteoarthritis Study, Donald D. Anderson, Neil A. Segal, Andrew M. Kern, Michael C. Nevitt, James C. Torner, and John A. Lynch
Estimates of Critical Power and Anaerobic Work Capacity from a Single, All-Out Test of Less than 3-Min, H C. Bergstrom, T J. Housh, Jorge M. Zuniga, C L. Camic, D A. Traylor, R W. Lewis, R J. Schmidt, and G O. Johnson
Sensitivity of the Wolf’s and Rosenstein’s Algorithms to Evaluate Local Dynamic Stability from Small Gait Data Sets: Response to Commentaries by Bruijn et al., Fabien Cignetti, Leslie M. Decker, and Nikolaos Stergiou
Sensitivity of the Wolf’s and Rostein’s Algorithms to Evaluate Local Dynamic Stability from Small Gait Data Sets, Fabien Cignetti, Leslie M. Decker, and Nikolaos Stergiou
Use of Motor Abundance in Young and Older Adults during Dual-Task Treadmill Walking, Leslie M. Decker, Fabien Cignetti, Jane F. Potter, Stephanie A. Studenski, and Nikolaos Stergiou
Wearing a safety harness during treadmill walking influences lower extremity kinematics mainly through changes in ankle regularity and local stability, Leslie M. Decker, Fabien Cignetti, and Nikolaos Stergiou
Supervised Resistance Training Results in Changes in Postural Control in Patients With Multiple Sclerosis, Jessie M. Huisinga, Mary Filipi, and Nikolaos Stergiou
Persons With Multiple Sclerosis Show Altered Joint Kinetics During Walking After Participating in Elliptical Exercise, Jessie M. Huisinga, Kendra K. Schmid, Mary Filipi, and Nikolaos Stergiou
Postural control strategy during standing is altered in patients with multiple sclerosis, Jessie M. Huisinga, Jenna M. Yentes, Mary Filipi, and Nikolaos Stergiou
Gait Variability Measures Reveal Differences between Multiple Sclerosis Patients and Healthy Controls, Jeffrey P. Kaipust, Jessie M. Huisinga, Mary Filipi, and Nikolaos Stergiou
Path Integration: Effect of Curved Path Complexity and Sensory System on Blindfolded Walking, Panagiotis Koutakis, Mukul Mukherjee, Srikant Vallabhajosula, David J. Blanke, and Nikolaos Stergiou
Relative roughness: an index for testing the suitability of the monofractal model, Vivien Marmelat, Kjerstin Torre, and Didier Delignières
Taking balance measurement out of the laboratory and into the home: discriminatory capability of novel centre of pressure measurement in fallers and non-fallers, Denise McGrath, Emer P. Doheny, Lorcan Walsh, David McKeown, Clodagh Cunningham, Lisa Crosby, Rose Anne Kenny, Nikolaos Stergiou, Brian Caulfield, and Barry R. Greene
Peripheral Arterial Disease Affects the Frequency Response of Ground Reaction Forces During Walking, Denise McGrath, Timothy N. Judkins, Iraklis Pipinos, and Jason Johanning
Peripheral arterial disease affects the frequency response of ground reaction forces during walking, Denise McGrath, Timothy N. Judkins, Iraklis Pipinos, Jason M. Johanning, and Sara A. Myers
Hamstring-Dominant Strategy of the Bone–Patellar Tendon–Bone Graft Anterior Cruciate Ligament–Reconstructed Leg Versus Quadriceps-Dominant Strategy of the Contralateral Intact Leg During High-Intensity Exercise in Male Athletes, Kostas Patras, Franceska Zampeli, Stavros Ristanis, Elias Tsepis, Giorgos Ziogas, Nikolaos Stergiou, and Anastasios D. Georgoulis
Training dual-task walking in community-dwelling adults within 1 year of stroke: a protocol for a single-blind randomized controlled trial, Prudence Plummer-D'Amato, Anastasia Kyvelidou, Dagmar Sternad, Bijan Najafi, Raymond M. Villalobos, and David Zurakowski
Do lower-extremity joint dynamics change when stair negotiation is initiated with a self-selected comfortable gait speed?, Srikant Vallabhajosula, Jenna M. Yentes, Mira Momcilovic, Daniel Blanke, and Nikolaos Stergiou
Frontal joint dynamics when initiating stair ascent from a walk versus a stand, Srikant Vallabhajosula, Jenna M. Yentes, and Nikolaos Stergiou
Patients with peripheral arterial disease exhibit reduced joint powers compared to velocity-matched controls, Shane Wurdeman, Panagiotis Koutakis, Sara Myers, Jason Johanning, Iraklis Pipinos, and Nicholas Stergiou
Variability of Gait is Dependent on Direction of Progression: Implications for Active Control, Shane R. Wurdeman and Neil B. Huben
Patients with peripheral arterial disease exhibit reduced joint powers compared to velocity-matched controls, Shane R. Wurdeman, Panagiotis Koutakis, Sara A. Myers, Jason Johanning, Iraklis Pipinos, and Nikolaos Stergiou
External work is deficient in both limbs of patients with unilateral PAD, Shane R. Wurdeman, Sara A. Myers, Jason Johanning, Iraklis Pipinos, and Nikolaos Stergiou
An unstable shoe with a rocker bottom redistributes external work, Shane R. Wurdeman, Jenna M. Yentes, Neil B. Huben, and Nikolaos Stergiou
Pharmacological Treatment of Intermittent Claudication Does Not Have a Significant Effect on Gait Impairments During Claudication Pain, Jenna M. Yentes, Jessie M. Huisinga, Sara A. Myers, Iraklis Pipinos, Jason Johanning, and Nikolaos Stergiou
Submissions from 2011
Anterior-posterior and medial-lateral control of sway in infants during sitting acquisition does not become adult-like, Fabien Cignetti, Anastasia Kyvelidou, Regina T. Harbourne, and Nikolaos Stergiou
New insights into anterior cruciate ligament deficiency and reconstruction through the assessment of knee kinematic variability in terms of nonlinear dynamics, Leslie M. Decker, Constantina O. Moraiti, Nikolaos Stergiou, and Anastasios D. Georgoulis
Approximate entropy used to assess sitting postural sway of infants with developmental delay, Joan E. Deffeyes, Regina T. Harbourne, Wayne A. Stuberg, and Nikolaos Stergiou
Sensory Information Utilization and Time Delays Characterize Motor Developmental Pathology in Infant Sitting Postural Control, Joan E. Deffeyes, Regina T. Harbourne, Wayne A. Stuberg, and Nikolaos Stergiou
Knee braces can decrease tibial rotation during pivoting that occurs in high demanding activities, Dimitrios Giotis, Vasilios Tsiaras, Stavros Ristanis, Franceska Zampeli, Grigoris Mitsionis, Nikolaos Stergiou, and Anastasios D. Georgoulis
Is There a Relationship Between Fatigue Questionnaires and Gait Mechanics in Persons With Multiple Sclerosis?, Jessie M. Huisinga, Mary Filipi, Kendra K. Schmid, and Nikolaos Stergiou
Elliptical exercise improves fatigue ratings and quality of life in patients with multiple sclerosis, Jessie M. Huisinga, Mary Filipi, and Nikolaos Stergiou
Complexity, Coordination, and Health: Avoiding Pitfalls and Erroneous Interpretations in Fractal Analyses, Vivien Marmelat and Didier Delignières
The Influence of Visual Perception of Self-Motion on Locomotor Adaptation to Unilateral Limb Loading, Mukul Mukherjee, K.-C. Siu, Dimitrios Kastavelis, Pierre B. Fayad, and Nikolaos Stergiou
Gait variability of patients with intermittent claudication is similar before and after the onset of claudication pain, Sara A. Myers, Iraklis Pipinos, Jason Johanning, and Nikolaos Stergiou
Endurance markers are related with local neuromuscular response for the intact but not for the ACL reconstructed leg during high intensity running, Kostas Patras, Giorgos Ziogas, Stavros Ristanis, Elias Tsepis, Vasilis Tsiaras, Nikolaos Stergiou, and Anastasios D. Georgoulis
Electromechanical Delay of the Knee Flexor Muscles After Harvesting the Hamstrings for Anterior Cruciate Ligament Reconstruction, Stavros Ristanis, Elias Tsepis, Dimitrios Giotis, Franceska Zampeli, Nikolaos Stergiou, and Anastasios D. Georgoulis
Patterns of Gait Variability Across the Lifespan in Persons With and Without Down Syndrome, Beth A. Smith, Nikolaos Stergiou, and Beverly D. Ulrich
Approximate Entropy Values Demonstrate Impaired Neuromotor Control of Spontaneous Leg Activity in Infants with Myelomeningocele, Beth A. Smith, Caroline Teulier, Jennifer Sansom, Nikolaos Stergiou, and Beverly D. Ulrich
Human Movement Variability, Nonlinear Dynamics, and Pathology: Is There A Connection?, Nikolaos Stergiou and Leslie M. Decker
Multiple sclerosis affects the frequency content in the vertical ground reaction forces during walking, Shane R. Wurdeman, Jessie M. Huisinga, Mary Filipi, and Nikolaos Stergiou
Walking abnormalities are associated with COPD: An investigation of the NHANES III dataset, Jenna M. Yentes, Harlan Sayles, Jane Meza, David M. Mannino, Stephen I. Rennard, and Nikolaos Stergiou
Velocity at Lactate Threshold and Running Economy Must Also be Considered Along With Maximal Oxygen Uptake When Testing Elite Soccer Players During Preseason, Giorgos Ziogas, Kostas Patras, Nikolaos Stergiou, and Anastasios D. Georgoulis
Submissions from 2010
Nonlinear Analysis of Ambulatory Activity Patterns in Community-Dwelling Older Adults, James T. Cavanaugh, Naomi Kochi, and Nikolaos Stergiou
Response to Chastin et al.: ANALYSIS OF NONLINEAR PATTERNS OF ACTIVITY, James T. Cavanaugh and Nicholas Stergiou
Complexity and Human Gait, Leslie M. Decker, Fabien Cignetti, and Nikolaos Stergiou
Impact of Resistance Training on Balance and Gait in Multiple Sclerosis, Mary Filipi, M. Patricia Leuschen, Jessie M. Huisinga, Lorene Schmaderer, Jeanna Vogel, Daryl Kucera, and Nikolaos Stergiou
A Comparison of Interventions for Children with Cerebral Palsy to Improve Sitting Postural Control: A Clinical Trial, Regina T. Harbourne, Sandra L. Willett, Anastasia Kyvelidou, Joan E. Deffeyes, and Nikolaos Stergiou
The effect of pharmacological treatment on gait biomechanics in peripheral arterial disease patients, Jessie M. Huisinga, Iraklis Pipinos, Jason Johanning, and Nikolaos Stergiou
Treatment With Pharmacological Agents in Peripheral Arterial Disease Patients Does Not Result in Biomechanical Gait Changes, Jessie M. Huisinga, Iraklis Pipinos, Nikolaos Stergiou, and Jason Johanning
The Effect of Virtual Reality on Gait Variability, Dimitrios Kastavelis, Mukul Mukherjee, Leslie M. Decker, and Nikolaos Stergiou
Variability of Lower Extremity Joint Kinematics During Backward Walking in a Virtual Environment, Dimitrios Kastavelis, Mukul Mukherjee, Leslie M. Decker, and Nikolaos Stergiou
Abnormal Joint Powers Before And After The Onset Of Claudication Symptoms, Panagiotis Koutakis, Jason Johanning, Sara A. Myers, Nikolaos Stergiou, G. Matthew Longo, and Iraklis Pipinos
Joint torques and powers are reduced during ambulation for both limbs in patients with unilateral claudication, Panagiotis Koutakis, Iraklis Pipinos, Sara A. Myers, Nikolaos Stergiou, Thomas G. Lynch, and Jason Johanning
Attractor divergence as a metric for assessing walking balance, Max J. Kurz, Katerina Markopoulou, and Nikolaos Stergiou
Reliability of Center of Pressure Measures for Assessing the Development of Sitting Postural Control in Infants With or at Risk of Cerebral Palsy, Anastasia Kyvelidou, Regina T. Harbourne, Valerie K. Shostrom, and Nikolaos Stergiou
Severity and Characteristics of Developmental Delay Can Be Assessed Using Variability Measures of Sitting Posture, Anastasia Kyvelidou, Regina T. Harbourne, and Nikolaos Stergiou
A Remote Markerless Human Gait Tracking for E-Healthcare Based on Content-Aware Wireless Multimedia Communications, Haiyan Luo, Song Ci, Dalei Wu, Nikolaos Stergiou, and Ka-Chun Siu
Anterior cruciate ligament reconstruction results in alterations in gait variability, Constantina O. Moraiti, Nikolaos Stergiou, Haris S. Vasiliadis, Eustathios Motsis, and Anastasios D. Georgoulis
Effects of Varying Amounts of Pronation on the Mediolateral Ground Reaction Forces During Barefoot Versus Shod Running, Joanna B. Morley, Leslie M. Decker, Tracy Dierks, Daniel Blanke, Jeffrey French, and Nikolaos Stergiou
Gait Variability Patterns are Altered in Healthy Young Individuals During the Acute Reperfusion Phase of Ischemia-Reperfusion, Sara A. Myers, Nikolaos Stergiou, Iraklis Pipinos, and Jason Johanning
ACL reconstructed patients with a BPTB graft present an impaired vastus lateralis neuromuscular response during high intensity running, Kostas Patras, Giorgos Ziogas, Stavros Ristanis, Elias Tsepis, Nikolaos Stergiou, and Anastasios D. Georgoulis
The Effect of Music on Robot-Assisted Laparoscopic Surgical Performance, Ka-Chun Siu, I. H. Suh, Mukul Mukherjee, D. Oleynikov, and Nikolaos Stergiou
The impact of environmental noise on robot-assisted laparoscopic surgical performance, Ka-Chun Siu, I. H. Suh, Mukul Mukherjee, D. Oleynikov, and Nikolaos Stergiou
Lyapunov Exponent and Surrogation Analysis of Patterns of Variability: Profiles in New Walkers With and Without Down Syndrome, Beth A. Smith, Nikolaos Stergiou, and Beverly D. Ulrich
Head and shoulder posture affect scapular mechanics and muscle activity in overhead tasks, Charles A. Thigpen, Darin A. Padua, Lori A. Michener, Kevin M. Guskiewicz, Carol Guiliani, Jay D. Keener, and Nikolaos Stergiou
Stride-to-stride variability is altered during backward walking in anterior cruciate ligament deficient patients, Franceska Zampeli, Constantina Moraiti Moraiti, Sofia Xergia, Vasilios Tsiaras, Nikolaos Stergiou, and Anastasios D. Georgoulis
Submissions from 2009
Peripheral arterial disease affects kinematics during walking, Ronaldo Celis, Iraklis Pipinos, Melissa Scott-Pandorf, Sara A. Myers, Nikolaos Stergiou, and Jason Johanning
Anterior cruciate ligament reconstruction with a quadrupled hamstrings tendon autograft does not restore tibial rotation to normative levels during landing from a jump and subsequent pivoting, Vasilis Chouliaras, Stavros Ristanis, Constantina O. Moraiti, V. Tzimas, Nicholas Stergiou, and Anastasios D. Georgoulis
The Effects of Shoe Traction and Obstacle Height on Lower Extremity Coordination Dynamics During Walking, Leslie M. Decker, Jeremy J. Houser, John M. Noble, Gregory M. Karst, and Nikolaos Stergiou
Use of information entropy measures of sitting postural sway to quantify developmental delay in infants, Joan E. Deffeyes, Regina T. Harbourne, Stacey L. DeJong, Anastasia Kyvelidou, Wayne A. Stuberg, and Nikolaos Stergiou
Nonlinear analysis of sitting postural sway indicates developmental delay in infants, Joan E. Deffeyes, Regina T. Harbourne, Anastasia Kyvelidou, Wayne A. Stuberg, and Nikolaos Stergiou
Nonlinear Detrended Fluctuation Analysis of Sitting Center-of-Pressure Data as an Early Measure of Motor Development Pathology in Infants, Joan E. Deffeyes, Naomi Kochi, Regina T. Harbourne, Wayne A. Stuberg, and Nikolaos Stergiou
Infants Born Preterm Exhibit Different Patterns of Center-of-Pressure Movement Than Infants Born at Full Term, Stacey C. Dusing, Anastasia Kyvelidou, Vicki S. Mercer, and Nikolaos Stergiou
Complexity of Postural Control in Infants: Linear and Nonlinear Features Revealed by Principal Component Analysis, Regina T. Harbourne, Joan E. Deffeyes, Anastasia Kyvelidou, and Nikolaos Stergiou
Movement Variability and the Use of Nonlinear Tools: Principles to Guide Physical Therapist Practice, Regina T. Harbourne and Nikolaos Stergiou
Electromyographic response is altered during robotic surgical training with augmented feedback, Timothy N. Judkins, D. Oleynikov, and Nikolaos Stergiou
Objective evaluation of expert and novice performance during robotic surgical training tasks, Timothy N. Judkins, D. Oleynikov, and Nikolaos Stergiou
Validated robotic laparoscopic surgical training in a virtual-reality environment, Dimitrios Kastavelis, Ka-Chun Siu, B. Brown-Clerk, Irene H. Lee, Yong Kwon Lee, D. Oleynikov, and Nikolaos Stergiou
Reliability of Center of Pressure Measures for Assessing the Development of Sitting Postural Control, Anastasia Kyvelidou, Regina T. Harbourne, Wayne A. Stuberg, Junfeng Sun, and Nikolaos Stergiou
Development of Upper Body Coordination During Sitting in Typically Developing Infants, Anastasia Kyvelidou, Wayne A. Stuberg, Regina T. Harbourne, Joan E. Deffeyes, Daniel Blanke, and Nikolaos Stergiou
The Effect of Anterior Cruciate Ligament Reconstruction on Stride-to-Stride Variability, Constantina O. Moraiti, Nikolaos Stergiou, Stavros Ristanis, Haris S. Vasiliadis, Kostas Patras, Cassandra Lee, and Anastasios D. Georgoulis