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Journal of Neuroengineering and Rehabilitation

Atsushi Tsukahara, Kunihiro Yoshida, Akira Matsushima, Kumiko Ajima, Chika Kuroda, Noriaki Mizukami, Minoru Hashimoto
BACKGROUND: Spinocerebellar degeneration (SCD) mainly manifests a cerebellar ataxic gait, leading to marked postural sway and the risk of falling down. Gait support using a wearable robot is expected to be an effective solution to maintaining the status quo and/or delaying symptom progression. The aim of this study was to evaluate the effects of gait support in patients with SCD by using a wearable robotic system called curara ®; while undergoing walking tests. METHODS: The curara system assists both the hip and knee joints and supports the wearer's rhythmic gait using a synchronization control based on a central pattern generator...
September 19, 2018: Journal of Neuroengineering and Rehabilitation
Ann Van de Winckel, James R Carey, Teresa A Bisson, Elsa C Hauschildt, Christopher D Streib, William K Durfee
BACKGROUND: Transcranial direct current stimulation (tDCS) is an effective neuromodulation adjunct to repetitive motor training in promoting motor recovery post-stroke. Finger tracking training is motor training whereby people with stroke use the impaired index finger to trace waveform-shaped lines on a monitor. Our aims were to assess the feasibility and safety of a telerehabilitation program consisting of tDCS and finger tracking training through questionnaires on ease of use, adverse symptoms, and quantitative assessments of motor function and cognition...
September 18, 2018: Journal of Neuroengineering and Rehabilitation
Sandra Ricklin, Andreas Meyer-Heim, Hubertus J A van Hedel
BACKGROUND: Walking in daily life is complex entailing various prerequisites such as leg strength, trunk stability or cognitive and motor dual task (DT) activities. Conventional physiotherapy can be complemented with robot-assisted gait therapy (RAGT) and exergames to enhance the number of step repetitions, feedback, motivation, and additional simultaneously performed tasks besides walking (e.g., dual-task (DT) activities). Although DT gait training leads to improvements in daily ambulation in adult patient groups, no study has evaluated RAGT with a DT exergame in children with neurological gait disorders...
September 17, 2018: Journal of Neuroengineering and Rehabilitation
Marko Markovic, Meike A Schweisfurth, Leonard F Engels, Dario Farina, Strahinja Dosen
BACKGROUND: Sensory feedback is critical for grasping in able-bodied subjects. Consequently, closing the loop in upper-limb prosthetics by providing artificial sensory feedback to the amputee is expected to improve the prosthesis utility. Nevertheless, even though amputees rate the prospect of sensory feedback high, its benefits in daily life are still very much debated. We argue that in order to measure the potential functional benefit of artificial sensory feedback, the baseline open-loop performance needs to be established...
September 3, 2018: Journal of Neuroengineering and Rehabilitation
Yushin Kim, Hang-Jun Cho, Hyung-Soon Park
BACKGROUND: Innovative technical approaches to controlling undesired sensory and motor activity, such as hyperalgesia or spasticity, may contribute to rehabilitation techniques for improving neural plasticity in patients with neurologic disorders. To date, transcutaneous electrical stimulation has used low frequency pulsed currents for sensory inhibition and muscle activation. Yet, few studies have attempted to achieve motor nerve inhibition using transcutaneous electrical stimulation...
August 20, 2018: Journal of Neuroengineering and Rehabilitation
Andrea M Kuczynski, Adam Kirton, Jennifer A Semrau, Sean P Dukelow
BACKGROUND: Detailed kinematics of motor impairment of the contralesional ("affected") and ipsilesional ("unaffected") limbs in children with hemiparetic cerebral palsy are not well understood. We aimed to 1) quantify the kinematics of reaching in both arms of hemiparetic children with perinatal stroke using a robotic exoskeleton, and 2) assess the correlation of kinematic reaching parameters with clinical motor assessments. METHODS: This prospective, case-control study involved the Alberta Perinatal Stroke Project, a population-based research cohort, and the Foothills Medical Center Stroke Robotics Laboratory in Calgary, Alberta over a four year period...
August 17, 2018: Journal of Neuroengineering and Rehabilitation
Kilian Baur, Florina Speth, Aniket Nagle, Robert Riener, Verena Klamroth-Marganska
BACKGROUND: Robots have been successfully applied in motor training during neurorehabilitation. As music is known to improve motor function and motivation in neurorehabilitation training, we aimed at integrating music creation into robotic-assisted motor therapy. We developed a virtual game-like environment with music for the arm therapy robot ARMin, containing four different motion training conditions: a condition promoting creativity (C+) and one not promoting creativity (C-), each in a condition with (V+) and without (V-) a visual display (i...
August 16, 2018: Journal of Neuroengineering and Rehabilitation
Angelos Karatsidis, Rosie E Richards, Jason M Konrath, Josien C van den Noort, H Martin Schepers, Giovanni Bellusci, Jaap Harlaar, Peter H Veltink
BACKGROUND: Gait retraining interventions using real-time biofeedback have been proposed to alter the loading across the knee joint in patients with knee osteoarthritis. Despite the demonstrated benefits of these conservative treatments, their clinical adoption is currently obstructed by the high complexity, spatial demands, and cost of optical motion capture systems. In this study we propose and evaluate a wearable visual feedback system for gait retraining of the foot progression angle (FPA)...
August 15, 2018: Journal of Neuroengineering and Rehabilitation
Kevin D Bui, Michelle J Johnson
There is increasing evidence that HIV is an independent risk factor for stroke, resulting in an emerging population of people living with both HIV and stroke all over the world. However, neurorehabilitation strategies for the HIV-stroke population are distinctly lacking, which poses an enormous global health challenge. In order to address this gap, a better understanding of the HIV-stroke population is needed, as well as potential approaches to design effective neurorehabilitation strategies for this population...
August 14, 2018: Journal of Neuroengineering and Rehabilitation
Philippe Malcolm, Samuel Galle, Pieter Van den Berghe, Dirk De Clercq
BACKGROUND: Many gait impairments are characterized by asymmetry and result in reduced mobility. Exoskeletons could be useful for restoring gait symmetry by assisting only one leg. However, we still have limited understanding of the effects of unilateral exoskeleton assistance. Our aim was to compare the effects of unilateral and bilateral assistance using a within-subject study design. METHODS: Eleven participants walked in different exoskeleton conditions. In the Unilateral conditions, only one leg was assisted...
August 9, 2018: Journal of Neuroengineering and Rehabilitation
Salil Apte, Michiel Plooij, Heike Vallery
The original article [1] contained a major error whereby Figure 1 mistakenly displayed a duplicate of Figure 5.
August 8, 2018: Journal of Neuroengineering and Rehabilitation
Imke Büsching, Aida Sehle, Jana Stürner, Joachim Liepert
BACKGROUND: Motor deficits are the most common symptoms after stroke. There is some evidence that intensity and amount of exercises influence the degree of improvement of functions within the first 6 months after the injury. The purpose of this pilot study was to evaluate the feasibility and acceptance of semi-autonomous exercises with an upper extremity exoskeleton in addition to an inpatient rehabilitation program. In addition, changes of motor functions were examined. METHODS: Ten stroke patients with a severe upper extremity paresis were included...
August 2, 2018: Journal of Neuroengineering and Rehabilitation
Ahmed W Shehata, Leonard F Engels, Marco Controzzi, Christian Cipriani, Erik J Scheme, Jonathon W Sensinger
BACKGROUND: The loss of an arm presents a substantial challenge for upper limb amputees when performing activities of daily living. Myoelectric prosthetic devices partially replace lost hand functions; however, lack of sensory feedback and strong understanding of the myoelectric control system prevent prosthesis users from interacting with their environment effectively. Although most research in augmented sensory feedback has focused on real-time regulation, sensory feedback is also essential for enabling the development and correction of internal models, which in turn are used for planning movements and reacting to control variability faster than otherwise possible in the presence of sensory delays...
July 31, 2018: Journal of Neuroengineering and Rehabilitation
Michael D Wood, Leif E R Simmatis, J Gordon Boyd, Stephen H Scott, Jill A Jacobson
BACKGROUND: The KINARM robot produces a granular dataset of participant performance metrics associated with proprioceptive, motor, visuospatial, and executive function. This comprehensive battery includes several behavioral tasks that each generate 9 to 20 metrics of performance. Therefore, the entire battery of tasks generates well over 100 metrics per participant, which can make clinical interpretation challenging. Therefore, we sought to reduce these multivariate data by applying principal component analysis (PCA) to increase interpretability while minimizing information loss...
July 31, 2018: Journal of Neuroengineering and Rehabilitation
Cristina Bayón, Teresa Martín-Lorenzo, Beatriz Moral-Saiz, Óscar Ramírez, Álvaro Pérez-Somarriba, Sergio Lerma-Lara, Ignacio Martínez, Eduardo Rocon
BACKGROUND: The use of robotic trainers has increased with the aim of improving gait function in patients with limitations. Nevertheless, there is an absence of studies that deeply describe detailed guidelines of how to correctly implement robot-based treatments for gait rehabilitation. This contribution proposes an accurate robot-based training program for gait rehabilitation of pediatric population with Cerebral Palsy (CP). METHODS: The program is focused on the achievement of some specifications defined by the International Classification of Functioning, Disability and Health framework, Children and Youth version (ICF-CY)...
July 27, 2018: Journal of Neuroengineering and Rehabilitation
Alyssa Whelan, Andrew Sexton, Melony Jones, Colleen O'Connell, Chris A McGibbon
BACKGROUND: The pendulum test is commonly used to quantify knee extensor spasticity, but it is currently unknown to what extent common pendulum test metrics can detect spasticity in patients with neurological injury or disease, and if the presence of flexor spasticity influences the test outcomes. METHODS: A retrospective analysis was conducted on 131 knees, from 93 patients, across four different patient cohorts. Clinical data included Modified Ashworth Scale (MAS) scores for knee extensors and flexors, and years since diagnosis...
July 18, 2018: Journal of Neuroengineering and Rehabilitation
Gyrd Thrane, Margit Alt Murphy, Katharina Stibrant Sunnerhagen
BACKGROUND: Most motor function improvements in people who have experienced strokes occur within the first 3 months. However, individuals showing complete or nearly complete arm function recovery, as assessed using clinical scales, still show certain movement kinematic deficits at 3 months, post-stroke. This study evaluated the changes in upper extremity kinematics, in individuals demonstrating minor clinical motor impairments, 3-12 months post-stroke, and also examined the association between kinematics and the subjects's self-perceived hand abilities during the chronic stage, 12 months post-stroke...
July 18, 2018: Journal of Neuroengineering and Rehabilitation
Sangjun Lee, Jinsoo Kim, Lauren Baker, Andrew Long, Nikos Karavas, Nicolas Menard, Ignacio Galiana, Conor J Walsh
BACKGROUND: Soft exosuits are a recent approach for assisting human locomotion, which apply assistive torques to the wearer through functional apparel. Over the past few years, there has been growing recognition of the importance of control individualization for such gait assistive devices to maximize benefit to the wearer. In this paper, we present an updated version of autonomous multi-joint soft exosuit, including an online parameter tuning method that customizes control parameters for each individual based on positive ankle augmentation power...
July 13, 2018: Journal of Neuroengineering and Rehabilitation
Le Yu Liu, Youlin Li, Anouk Lamontagne
Despite upper extremity function playing a crucial role in maintaining one's independence in activities of daily living, upper extremity impairments remain one of the most prevalent post-stroke deficits. To enhance the upper extremity motor recovery and performance among stroke survivors, two training paradigms in the fields of robotics therapy involving modifying haptic feedback were proposed: the error-augmentation (EA) and error-reduction (ER) paradigms. There is a lack of consensus, however, as to which of the two paradigms yields superior training effects...
July 4, 2018: Journal of Neuroengineering and Rehabilitation
Yasuto Inukai, Mitsuhiro Masaki, Naofumi Otsuru, Kei Saito, Shota Miyaguchi, Sho Kojima, Hideaki Onishi
BACKGROUND: Balance disorders are a risk factor for falls in the elderly. Although noisy galvanic vestibular stimulation (nGVS) has been reported to improve balance in young people, randomised control trials targeting community-dwelling elderly people have not been conducted to date. We aimed to assess the influence of nGVS on COP sway in the open-eye standing posture among community-dwelling elderly people in a randomised controlled trial. METHODS: A randomised controlled trial of 32 community-dwelling elderly people randomly assigned to control (sham stimulation) and an nGVS groups...
July 3, 2018: Journal of Neuroengineering and Rehabilitation
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