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Journal of Neuroengineering and Rehabilitation

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https://www.readbyqxmd.com/read/28646914/markerless-motion-capture-systems-as-training-device-in-neurological-rehabilitation-a-systematic-review-of-their-use-application-target-population-and-efficacy
#1
REVIEW
Els Knippenberg, Jonas Verbrugghe, Ilse Lamers, Steven Palmaers, Annick Timmermans, Annemie Spooren
BACKGROUND: Client-centred task-oriented training is important in neurological rehabilitation but is time consuming and costly in clinical practice. The use of technology, especially motion capture systems (MCS) which are low cost and easy to apply in clinical practice, may be used to support this kind of training, but knowledge and evidence of their use for training is scarce. The present review aims to investigate 1) which motion capture systems are used as training devices in neurological rehabilitation, 2) how they are applied, 3) in which target population, 4) what the content of the training and 5) efficacy of training with MCS is...
June 24, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28629415/kaps-kinematic-assessment-of-passive-stretch-a-tool-to-assess-elbow-flexor-and-extensor-spasticity-after-stroke-using-a-robotic-exoskeleton
#2
Andrew Centen, Catherine R Lowrey, Stephen H Scott, Ting-Ting Yeh, George Mochizuki
BACKGROUND: Spasticity is a common sequela of stroke. Traditional assessment methods include relatively coarse scales that may not capture all characteristics of elevated muscle tone. Thus, the aim of this study was to develop a tool to quantitatively assess post-stroke spasticity in the upper extremity. METHODS: Ninety-six healthy individuals and 46 individuals with stroke participated in this study. The kinematic assessment of passive stretch (KAPS) protocol consisted of passive elbow stretch in flexion and extension across an 80° range in 5 movement durations...
June 19, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28629390/results-of-the-first-interim-analysis-of-the-rapper-ii-trial-in-patients-with-spinal-cord-injury-ambulation-and-functional-exercise-programs-in-the-rex-powered-walking-aid
#3
Nick Birch, Jon Graham, Tom Priestley, Chris Heywood, Mohamed Sakel, Angela Gall, Andrew Nunn, Nada Signal
BACKGROUND: The RAPPER II study investigates the feasibility, safety and acceptability of using the REX self-stabilising robotic exoskeleton in people with spinal cord injury (SCI) who are obligatory wheelchair users. Feasibility is assessed by the completion of transfer into the REX device, competency in achieving autonomous control and completion of upper body exercise in an upright position in the REX device. Safety is measured by the occurrence of serious adverse events. Device acceptability is assessed with a user questionnaire...
June 19, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28619087/longitudinal-estimation-of-intramuscular-tibialis-anterior-coherence-during-subacute-spinal-cord-injury-relationship-with-neurophysiological-functional-and-clinical-outcome-measures
#4
Elisabeth Bravo-Esteban, Julian Taylor, Manuel Aleixandre, Cristina Simón-Martínez, Diego Torricelli, Jose Luis Pons, Gerardo Avila-Martín, Iriana Galán-Arriero, Julio Gómez-Soriano
BACKGROUND: Estimation of surface intramuscular coherence has been used to indirectly assess pyramidal tract activity following spinal cord injury (SCI), especially within the 15-30 Hz bandwidth. However, change in higher frequency (>40 Hz) muscle coherence during SCI has not been characterised. Thus, the objective of this study was to identify change of high and low frequency intramuscular Tibialis Anterior (TA) coherence during incomplete subacute SCI. METHODS: Fifteen healthy subjects and 22 subjects with motor incomplete SCI (American Spinal Injury Association Impairment Scale, AIS, C or D grade) were recruited and tested during 4 sessions performed at 2-week intervals up to 8 months after SCI...
June 15, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28615080/locomotor-circumvention-strategies-are-altered-by-stroke-ii-postural-coordination
#5
Anuja Darekar, Anouk Lamontagne, Joyce Fung
BACKGROUND: Locomotor strategies for obstacle circumvention require appropriate postural coordination that depends on sensorimotor integration within the central nervous system. It is not known how these strategies are affected by a stroke. The objective of this study was to contrast postural coordination strategies used for obstacle circumvention between post-stroke participants (n = 12) and healthy controls (n = 12). METHODS: Participants walked towards a target in a virtual environment (11 × 8 m room) with cylindrical obstacles that were stationary or approaching from head-on, or diagonally 30° left/right...
June 15, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28615042/locomotor-circumvention-strategies-are-altered-by-stroke-i-obstacle-clearance
#6
Anuja Darekar, Anouk Lamontagne, Joyce Fung
BACKGROUND: Functional locomotion requires the ability to adapt to environmental challenges such as the presence of stationary or moving obstacles. Difficulties in obstacle circumvention often lead to restricted community ambulation in individuals with stroke. The objective of this study was to contrast obstacle circumvention strategies between post-stroke (n = 12) and healthy individuals (n = 12) performing locomotor and perceptuomotor (joystick navigation) tasks with different obstacle approaches...
June 15, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28606179/modifying-upper-limb-inter-joint-coordination-in-healthy-subjects-by-training-with-a-robotic-exoskeleton
#7
Tommaso Proietti, Emmanuel Guigon, Agnès Roby-Brami, Nathanaël Jarrassé
BACKGROUND: The possibility to modify the usually pathological patterns of coordination of the upper-limb in stroke survivors remains a central issue and an open question for neurorehabilitation. Despite robot-led physical training could potentially improve the motor recovery of hemiparetic patients, most of the state-of-the-art studies addressing motor control learning, with artificial virtual force fields, only focused on the end-effector kinematic adaptation, by using planar devices...
June 12, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28601095/reactive-stepping-with-functional-neuromuscular-stimulation-in-response-to-forward-directed-perturbations
#8
Alexander J Hunt, Brooke M Odle, Lisa M Lombardo, Musa L Audu, Ronald J Triolo
BACKGROUND: Implanted motor system neuroprostheses can be effective at increasing personal mobility of persons paralyzed by spinal cord injuries. However, currently available neural stimulation systems for standing employ patterns of constant activation and are unreactive to changing postural demands. METHODS: In this work, we developed a closed-loop controller for detecting forward-directed body disturbances and initiating a stabilizing step in a person with spinal cord injury...
June 10, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28592282/the-role-of-virtual-reality-in-improving-motor-performance-as-revealed-by-eeg-a-randomized-clinical-trial
#9
Rocco Salvatore Calabrò, Antonino Naro, Margherita Russo, Antonino Leo, Rosaria De Luca, Tina Balletta, Antonio Buda, Gianluca La Rosa, Alessia Bramanti, Placido Bramanti
BACKGROUND: Many studies have demonstrated the usefulness of repetitive task practice by using robotic-assisted gait training (RAGT) devices, including Lokomat, for the treatment of lower limb paresis. Virtual reality (VR) has proved to be a valuable tool to improve neurorehabilitation training. The aim of our pilot randomized clinical trial was to understand the neurophysiological basis of motor function recovery induced by the association between RAGT (by using Lokomat device) and VR (an animated avatar in a 2D VR) by studying electroencephalographic (EEG) oscillations...
June 7, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28583196/effects-of-unilateral-real-time-biofeedback-on-propulsive-forces-during-gait
#10
Christopher Schenck, Trisha M Kesar
BACKGROUND: In individuals with post-stroke hemiparesis, reduced push-off force generation in the paretic leg negatively impacts walking function. Gait training interventions that increase paretic push-off can improve walking function in individuals with neurologic impairment. During normal locomotion, push-off forces are modulated with variations in gait speed and slope. However, it is unknown whether able-bodied individuals can selectively modulate push-off forces from one leg in response to biofeedback...
June 6, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28583163/erratum-to-physical-human-robot-interaction-of-an-active-pelvis-orthosis-toward-ergonomic-assessment-of-wearable-robots
#11
Nicolò d'Elia, Federica Vanetti, Marco Cempini, Guido Pasquini, Andrea Parri, Marco Rabuffetti, Maurizio Ferrarin, Raffaele Molino Lova, Nicola Vitiello
No abstract text is available yet for this article.
June 5, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28558835/a-muscle-driven-approach-to-restore-stepping-with-an-exoskeleton-for-individuals-with-paraplegia
#12
Sarah R Chang, Mark J Nandor, Lu Li, Rudi Kobetic, Kevin M Foglyano, John R Schnellenberger, Musa L Audu, Gilles Pinault, Roger D Quinn, Ronald J Triolo
BACKGROUND: Functional neuromuscular stimulation, lower limb orthosis, powered lower limb exoskeleton, and hybrid neuroprosthesis (HNP) technologies can restore stepping in individuals with paraplegia due to spinal cord injury (SCI). However, a self-contained muscle-driven controllable exoskeleton approach based on an implanted neural stimulator to restore walking has not been previously demonstrated, which could potentially result in system use outside the laboratory and viable for long term use or clinical testing...
May 30, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28558817/effects-of-exercise-on-brain-activity-during-walking-in-older-adults-a-randomized-controlled-trial
#13
Hiroyuki Shimada, Kenji Ishii, Hyuma Makizako, Kiichi Ishiwata, Keiichi Oda, Megumi Suzukawa
BACKGROUND: Physical activity may preserve neuronal plasticity, increase synapse formation, and cause the release of hormonal factors that promote neurogenesis and neuronal function. Previous studies have reported enhanced neurocognitive function following exercise training. However, the specific cortical regions activated during exercise training remain largely undefined. In this study, we quantitatively and objectively evaluated the effects of exercise on brain activity during walking in healthy older adults...
May 30, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28558789/repetitive-reaching-training-combined-with-transcranial-random-noise-stimulation-in-stroke-survivors-with-chronic-and-severe-arm-paresis-is-feasible-a-pilot-triple-blind-randomised-case-series
#14
Kathryn S Hayward, Sandra G Brauer, Kathy L Ruddy, David Lloyd, Richard G Carson
BACKGROUND: Therapy that combines repetitive training with non-invasive brain stimulation is a potential avenue to enhance upper limb recovery after stroke. This study aimed to investigate the feasibility of transcranial Random Noise Stimulation (tRNS), timed to coincide with the generation of voluntary motor commands, during reaching training. METHODS: A triple-blind pilot RCT was completed. Four stroke survivors with chronic (6-months to 5-years) and severe arm paresis, not taking any medications that had the potential to alter cortical excitability, and no contraindications to tRNS or MRI were recruited...
May 30, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28558741/brain-computer-interface-application-auditory-serial-interface-to-control-a-two-class-motor-imagery-based-wheelchair
#15
Ricardo Ron-Angevin, Francisco Velasco-Álvarez, Álvaro Fernández-Rodríguez, Antonio Díaz-Estrella, María José Blanca-Mena, Francisco Javier Vizcaíno-Martín
BACKGROUND: Certain diseases affect brain areas that control the movements of the patients' body, thereby limiting their autonomy and communication capacity. Research in the field of Brain-Computer Interfaces aims to provide patients with an alternative communication channel not based on muscular activity, but on the processing of brain signals. Through these systems, subjects can control external devices such as spellers to communicate, robotic prostheses to restore limb movements, or domotic systems...
May 30, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28558724/feature-selection-for-elderly-faller-classification-based-on-wearable%C3%A2-sensors
#16
Jennifer Howcroft, Jonathan Kofman, Edward D Lemaire
BACKGROUND: Wearable sensors can be used to derive numerous gait pattern features for elderly fall risk and faller classification; however, an appropriate feature set is required to avoid high computational costs and the inclusion of irrelevant features. The objectives of this study were to identify and evaluate smaller feature sets for faller classification from large feature sets derived from wearable accelerometer and pressure-sensing insole gait data. METHODS: A convenience sample of 100 older adults (75...
May 30, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28549441/dynamic-arm-study-quantitative-description-of-upper-extremity-function-and-activity-of-boys-and-men-with-duchenne-muscular-dystrophy
#17
Mariska M H P Janssen, Jaap Harlaar, Bart Koopman, Imelda J M de Groot
BACKGROUND: Therapeutic management of upper extremity (UE) function of boys and men with Duchenne Muscular Dystrophy (DMD) requires sensitive and objective assessment. Therefore, we aimed to measure physiologic UE function of healthy subjects and DMD patients in different disease stages, and to evaluate the relation between these physiologic measures and functional UE scales. METHODS: Twenty-three DMD patients and twenty healthy controls (7-23 years) participated in this explorative case-control study...
May 26, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28535762/gait-initiation-and-termination-strategies-in-patients-with-prader-willi-syndrome
#18
Veronica Cimolin, Nicola Cau, Manuela Galli, Cristina Santovito, Graziano Grugni, Paolo Capodaglio
BACKGROUND: Gait Initiation (GI) is a functional task representing one of the first voluntary destabilizing behaviours observed in the development of a locomotor pattern as the whole body centre of mass transitions from a large to a small base of support. Conversely, Gait Termination (GT) consists in the transition from walking to standing which, in everyday life, is a very common movement. Compared to normal walking, it requires higher control of postural stability. For a safe GT, the forward movement of the body has to be slowed down to achieve a stable upright position...
May 23, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28532512/inter-rater-reliability-of-kinesthetic-measurements-with-the-kinarm-robotic-exoskeleton
#19
Jennifer A Semrau, Troy M Herter, Stephen H Scott, Sean P Dukelow
BACKGROUND: Kinesthesia (sense of limb movement) has been extremely difficult to measure objectively, especially in individuals who have survived a stroke. The development of valid and reliable measurements for proprioception is important to developing a better understanding of proprioceptive impairments after stroke and their impact on the ability to perform daily activities. We recently developed a robotic task to evaluate kinesthetic deficits after stroke and found that the majority (~60%) of stroke survivors exhibit significant deficits in kinesthesia within the first 10 days post-stroke...
May 22, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28532464/neurorehabilitation-in-upper-limb-amputation-understanding-how-neurophysiological-changes-can-affect-functional-rehabilitation
#20
REVIEW
Lewis A Wheaton
BACKGROUND: Significant advances have been made in developing new prosthetic technologies with the goal of restoring function to persons that suffer partial or complete loss of the upper limb. Despite these technological advances, many challenges remain in understanding barriers in patient adoption of technology, and what critical factors should be of focus in prosthetics development from a motor control perspective. This points to a potential opportunity to improve our understanding of amputation using neurophysiology and plasticity, and integrate this knowledge into the development of prosthetics technology in novel ways...
May 22, 2017: Journal of Neuroengineering and Rehabilitation
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