Transactions on Neural Systems and Rehabilitation Engineering
Featured Articles
Prediction of Freezing of Gait in Parkinson’s Disease Using Statistical Inference and Lower–Limb Acceleration Data
The freezing of gait (FoG) is a common type of motor dysfunction in advanced Parkinson’s disease (PD) associated with falls. Over the last decade, a significant amount of studies has been focused on detecting FoG episodes in clinical and home...
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Posted on 29 MAR 2021
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Systematic Variation of Prosthetic Foot Spring Affects Center-of-Mass Mechanics and Metabolic Cost During Walking
Karl E. Zelik, Steven H. Collins, Peter G. Adamczyk, Ava D. Segal, Glenn K. Klute, David C. Morgenroth, Michael E. Hahn, Michael S. Orendurff, Joseph M. Czerniecki, Arthur D. Kuo
Lower-limb amputees expend more energy to walk than non-amputees and have an elevated risk of secondary disabilities. Insufficient push-off by the prosthetic foot may be a contributing factor. We aimed to systematically study the effect of prosthetic foot mechanics on...
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Posted on 29 MAR 2021
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Performance Evaluation of Lower Limb Exoskeletons: A Systematic Review
David Pinto-Fernandez, Diego Torricelli, Maria del Carmen Sanchez-Villamanan, Felix Aller, Katja Mombaur, Roberto Conti, Nicola Vitiello, Juan C. Moreno, Jose Luis Pons
Benchmarks have long been used to verify and compare the readiness level of different technologies in many application domains. In the field of wearable robots, the lack of a recognized benchmarking methodology is one important impediment that may hamper the efficient translation of research prototypes into actual products...
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Posted on 23 JUL 2020
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A Mechatronic System for Studying Energy Optimization During Walking
A general principle of human movement is that our nervous system is able to learn optimal coordination strategies. However, how our nervous system performs this optimization is not well understood. Here we design, build, and test a mechatronic system to...
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Posted on 18 JUN 2019
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Proportional Joint-Moment Control for Instantaneously Adaptive Ankle Exoskeleton Assistance
Lower-limb exoskeletons used to improve free-living mobility for individuals with neuromuscular impairment must be controlled to prescribe assistance that adapts to the diverse locomotor conditions encountered during daily life, including walking at different speeds and across varied terrain. The goal...
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Posted on 24 APR 2019
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An untethered ankle exoskeleton improves walking economy in a pilot study of individuals with cerebral palsy
Zachary F. Lerner, Gian Maria Gasparri, Michael O. Bair, Jenny L. Lawson, Jason Luque, Taryn A. Harvey, Andrea T. Lerner
The high energy cost of walking in individuals with cerebral palsy (CP) contributes significantly to reduced mobility and quality of life. The purpose of this study was to develop and clinically evaluate an untethered ankle exoskeleton with the ability to...
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Posted on 16 OCT 2018
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MIT-Skywalker: A Novel Gait Neurorehabilitation Robot for Stroke and Cerebral Palsy
The MIT-Skywalker is a novel robotic device developed for the rehabilitation or habilitation of gait and balance after a neurological injury. It represents an embodiment of the concept exhibited by passive walkers for rehabilitation training. Its novelty extends beyond the...
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Posted on 30 SEP 2016
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Full Body Musculoskeletal Model for Muscle-Driven Simulation of Human Gait
Apoorva Rajagopal, Christopher L. Dembia, Matthew S. DeMers, Denny D. Delp, Jennifer L. Hicks, Scott L. Delp
Rajagopal, Christopher L. Dembia, Matthew S. DeMers, Denny D. Delp, Jennifer L. Hicks, and Scott L. Delp, Stanford University
Human movement involves complex interactions between the neuromuscular and skeletal systems, many components of which cannot be easily measured in a laboratory setting....
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Posted on 22 SEP 2016
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Biomechanical Effects of Stiffness in Parallel with the Knee Joint during Walking
Kamran Shamaei, Massimo Cenciarini, Albert A. Adams, Karen N. Gregorczyk, Jeffrey M. Schiffman, Aaron M. Dollar
Lower-extremity exoskeletons have been actively investigated in the past few decades intending to augment the locomotion performance of able-bodied users in terms of metabolic cost, load carrying capacity, fatigue, and muscle force generation. While development efforts have been extensive, lower-limb...
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Posted on 26 SEP 2015
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Mechanisms of Gait Asymmetry Due to Push-Off Deficiency in Unilateral Amputees
Unilateral lower-limb amputees exhibit asymmetry in many gait features, such as ground force, step time, step length, and joint mechanics. Although these asymmetries result from weak prosthetic-side push-off, there is no proven mechanistic explanation of how that impairment propagates to...
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Posted on 3 SEP 2015