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Journal of Neuroengineering and Rehabilitation

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https://www.readbyqxmd.com/read/29347946/effects-of-long-term-balance-training-with-vibrotactile-sensory-augmentation-among-community-dwelling-healthy-older-adults-a-randomized-preliminary-study
#1
Tian Bao, Wendy J Carender, Catherine Kinnaird, Vincent J Barone, Geeta Peethambaran, Susan L Whitney, Mohammed Kabeto, Rachael D Seidler, Kathleen H Sienko
BACKGROUND: Sensory augmentation has been shown to improve postural stability during real-time balance applications. Limited long-term controlled studies have examined retention of balance improvements in healthy older adults after training with sensory augmentation has ceased. This pilot study aimed to assess the efficacy of long-term balance training with and without sensory augmentation among community-dwelling healthy older adults. METHODS: Twelve participants (four males, eight females; 75...
January 18, 2018: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29298708/case-study-of-a-user-driven-prosthetic-arm-design-bionic-hand-versus-customized-body-powered-technology-in-a-highly-demanding-work-environment
#2
Wolf Schweitzer, Michael J Thali, David Egger
BACKGROUND: Prosthetic arm research predominantly focuses on "bionic" but not body-powered arms. However, any research orientation along user needs requires sufficiently precise workplace specifications and sufficiently hard testing. Forensic medicine is a demanding environment, also physically, also for non-disabled people, on several dimensions (e.g., distances, weights, size, temperature, time). METHODS: As unilateral below elbow amputee user, the first author is in a unique position to provide direct comparison of a "bionic" myoelectric iLimb Revolution (Touch Bionics) and a customized body-powered arm which contains a number of new developments initiated or developed by the user: (1) quick lock steel wrist unit; (2) cable mount modification; (3) cast shape modeled shoulder anchor; (4) suspension with a soft double layer liner (Ohio Willowwood) and tube gauze (Molnlycke) combination...
January 3, 2018: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29298705/motor-modules-during-adaptation-to-walking-in-a-powered-ankle-exoskeleton
#3
Daniel A Jacobs, Jeffrey R Koller, Katherine M Steele, Daniel P Ferris
BACKGROUND: Modules of muscle recruitment can be extracted from electromyography (EMG) during motions, such as walking, running, and swimming, to identify key features of muscle coordination. These features may provide insight into gait adaptation as a result of powered assistance. The aim of this study was to investigate the changes (module size, module timing and weighting patterns) of surface EMG data during assisted and unassisted walking in an powered, myoelectric, ankle-foot orthosis (ankle exoskeleton)...
January 3, 2018: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29298695/vub-cyberlegs-cybathlon-2016-beta-prosthesis-case-study-in-control-of-an-active-two-degree-of-freedom-transfemoral-prosthesis
#4
Louis L Flynn, Joost Geeroms, Tom van der Hoeven, Bram Vanderborght, Dirk Lefeber
BACKGROUND: Here we present how the CYBERLEGs Beta-Prosthesis was modified with a new control system to participate in the Powered Leg Prosthesis event, and to report on our experience at the CYBATHLON 2016 which was held in Zurich, Switzerland in October 2016. The prosthesis has two active degrees of freedom which assist the user with extra joint power at the knee and ankle to complete tasks. The CYBATHLON is a championship for people with disabilities competing in six disciplines, using advanced assistive devices...
January 3, 2018: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29298691/volition-adaptive-control-for-gait-training-using-wearable-exoskeleton-preliminary-tests-with-incomplete-spinal-cord-injury-individuals
#5
Vijaykumar Rajasekaran, Eduardo López-Larraz, Fernando Trincado-Alonso, Joan Aranda, Luis Montesano, Antonio J Del-Ama, Jose L Pons
BACKGROUND: Gait training for individuals with neurological disorders is challenging in providing the suitable assistance and more adaptive behaviour towards user needs. The user specific adaptation can be defined based on the user interaction with the orthosis and by monitoring the user intentions. In this paper, an adaptive control model, commanded by the user intention, is evaluated using a lower limb exoskeleton with incomplete spinal cord injury individuals (SCI). METHODS: A user intention based adaptive control model has been developed and evaluated with 4 incomplete SCI individuals across 3 sessions of training per individual...
January 3, 2018: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29284544/comprehensive-measurement-of-stroke-gait-characteristics-with-a-single-accelerometer-in-the-laboratory-and-community-a-feasibility-validity-and-reliability-study
#6
Sarah A Moore, Aodhan Hickey, Sue Lord, Silvia Del Din, Alan Godfrey, Lynn Rochester
BACKGROUND: Application of objective measurement of stroke gait with accelerometer-based wearable technology and associated algorithms is increasing, despite reports questioning the accuracy of this technique in quantifying specific stroke-related gait impairments. The aim of this study is to determine the feasibility, validity and reliability of a low-cost open-source system incorporating algorithms and a single tri-axial accelerometer-based wearable to quantify gait characteristics in the laboratory and community post-stroke...
December 29, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29282131/cybathlon-experiences-of-the-graz-bci-racing-team-mirage91-in-the-brain-computer-interface-discipline
#7
Karina Statthaler, Andreas Schwarz, David Steyrl, Reinmar Kobler, Maria Katharina Höller, Julia Brandstetter, Lea Hehenberger, Marvin Bigga, Gernot Müller-Putz
BACKGROUND: In this work, we share our experiences made at the world-wide first CYBATHLON, an event organized by the Eidgenössische Technische Hochschule Zürich (ETH Zürich), which took place in Zurich in October 2016. It is a championship for severely motor impaired people using assistive prototype devices to compete against each other. Our team, the Graz BCI Racing Team MIRAGE91 from Graz University of Technology, participated in the discipline "Brain-Computer Interface Race". A brain-computer interface (BCI) is a device facilitating control of applications via the user's thoughts...
December 28, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29208020/mapping-upper-limb-motor-performance-after-stroke-a-novel-method-with-utility-for-individualized-motor-training
#8
Orna Rosenthal, Alan M Wing, Jeremy L Wyatt, David Punt, R Chris Miall
BACKGROUND: Chronic upper limb motor impairment is a common outcome of stroke. Therapeutic training can reduce motor impairment. Recently, a growing interest in evaluating motor training provided by robotic assistive devices has emerged. Robot-assisted therapy is attractive because it provides a means of increasing practice intensity without increasing the workload of physical therapists. However, movements practised through robotic assistive devices are commonly pre-defined and fixed across individuals...
December 6, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29208017/a-multisession-evaluation-of-an-adaptive-competitive-arm-rehabilitation-game
#9
Maja Goršič, Imre Cikajlo, Nika Goljar, Domen Novak
BACKGROUND: People with neurological injuries such as stroke should exercise frequently and intensely to regain their motor abilities, but are generally hindered by lack of motivation. One way to increase motivation in rehabilitation is through competitive exercises, but such exercises have only been tested in single brief sessions and usually did not adapt difficulty to the patient's abilities. METHODS: We designed a competitive arm rehabilitation game for two players that dynamically adapts its difficulty to both players' abilities...
December 6, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29202845/robotic-assisted-gait-as-a-tool-for-rehabilitation-of-individuals-with-spinal-cord-injury-a-systematic-review
#10
REVIEW
Ledycnarf J Holanda, Patrícia M M Silva, Thiago C Amorim, Matheus O Lacerda, Camila R Simão, Edgard Morya
BACKGROUND: Spinal cord injury (SCI) is characterized by a total or partial deficit of sensory and motor pathways. Impairments of this injury compromise muscle recruitment and motor planning, thus reducing functional capacity. SCI patients commonly present psychological, intestinal, urinary, osteomioarticular, tegumentary, cardiorespiratory and neural alterations that aggravate in chronic phase. One of the neurorehabilitation goals is the restoration of these abilities by favoring improvement in the quality of life and functional independence...
December 4, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29197402/manual-physical-balance-assistance-of-therapists-during-gait-training-of-stroke-survivors-characteristics-and-predicting-the-timing
#11
Juliet A M Haarman, Erik Maartens, Herman van der Kooij, Jaap H Buurke, Jasper Reenalda, Johan S Rietman
BACKGROUND: During gait training, physical therapists continuously supervise stroke survivors and provide physical support to their pelvis when they judge that the patient is unable to keep his balance. This paper is the first in providing quantitative data about the corrective forces that therapists use during gait training. It is assumed that changes in the acceleration of a patient's COM are a good predictor for therapeutic balance assistance during the training sessions Therefore, this paper provides a method that predicts the timing of therapeutic balance assistance, based on acceleration data of the sacrum...
December 2, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29187203/softhand-at-the-cybathlon-a-user-s-experience
#12
Sasha Blue Godfrey, Matteo Rossi, Cristina Piazza, Manuel Giuseppe Catalano, Matteo Bianchi, Giorgio Grioli, Kristin D Zhao, Antonio Bicchi
BACKGROUND: Roughly one-quarter of upper limb prosthesis users reject their prosthesis. Reasons for rejection range from comfort, to cost, aesthetics, function, and more. This paper follows a single user from training with and testing of a novel upper-limb myoelectric prosthesis (the SoftHand Pro) for participation in the CYBATHLON rehearsal to training for and competing in the CYBATHLON 2016 with a figure-of-nine harness controlled powered prosthesis (SoftHand Pro-H) to explore the feasibility and usability of a flexible anthropomorphic prosthetic hand...
November 29, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29183379/gait-performance-and-foot-pressure-distribution-during-wearable-robot-assisted-gait-in-elderly-adults
#13
Su-Hyun Lee, Hwang-Jae Lee, Won Hyuk Chang, Byung-Ok Choi, Jusuk Lee, Jeonghun Kim, Gyu-Ha Ryu, Yun-Hee Kim
BACKGROUND: A robotic exoskeleton device is an intelligent system designed to improve gait performance and quality of life for the wearer. Robotic technology has developed rapidly in recent years, and several robot-assisted gait devices were developed to enhance gait function and activities of daily living in elderly adults and patients with gait disorders. In this study, we investigated the effects of the Gait-enhancing Mechatronic System (GEMS), a new wearable robotic hip-assist device developed by Samsung Electronics Co, Ltd...
November 28, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29183339/effect-of-emg-triggered-neuromuscular-electrical-stimulation-with-bilateral-arm-training-on-hemiplegic-shoulder-pain-and-arm-function-after-stroke-a-randomized-controlled-trial
#14
Li-Ling Chuang, You-Lin Chen, Chih-Chung Chen, Yen-Chen Li, Alice May-Kuen Wong, An-Lun Hsu, Ya-Ju Chang
BACKGROUND: Hemiplegic shoulder pain is a frequent complication after stroke, leading to limited use of the affected arm. Neuromuscular electrical stimulation (NMES) and transcutaneous electrical nerve stimulation (TENS) are two widely used interventions to reduce pain, but the comparative efficacy of these two modalities remains uncertain. The purpose of this research was to compare the immediate and retained effects of EMG-triggered NMES and TENS, both in combination with bilateral arm training, on hemiplegic shoulder pain and arm function of stroke patients...
November 28, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29178940/restoration-of-motor-control-and-proprioceptive-and-cutaneous-sensation-in-humans-with-prior-upper-limb-amputation-via-multiple-utah-slanted-electrode-arrays-useas-implanted-in-residual-peripheral-arm-nerves
#15
Suzanne Wendelken, David M Page, Tyler Davis, Heather A C Wark, David T Kluger, Christopher Duncan, David J Warren, Douglas T Hutchinson, Gregory A Clark
BACKGROUND: Despite advances in sophisticated robotic hands, intuitive control of and sensory feedback from these prostheses has been limited to only 3-degrees-of-freedom (DOF) with 2 sensory percepts in closed-loop control. A Utah Slanted Electrode Array (USEA) has been used in the past to provide up to 81 sensory percepts for human amputees. Here, we report on the advanced capabilities of multiple USEAs implanted in the residual peripheral arm nerves of human amputees for restoring control of 5 DOF and sensation of up to 131 proprioceptive and cutaneous hand sensory percepts...
November 25, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29169368/inactive-lifestyles-and-sedentary-behavior-in-persons-with-chronic-aneurysmal-subarachnoid-hemorrhage-evidence-from-accelerometer-based-activity-monitoring
#16
Wouter J Harmsen, Gerard M Ribbers, Majanka H Heijenbrok-Kal, Johannes B J Bussmann, Emiel M Sneekes, Ladbon Khajeh, Fop van Kooten, Sebastian J C M M Neggers, Rita J van den Berg-Emons
BACKGROUND: Aneurysmal subarachnoid hemorrhage (a-SAH) is a potential life-threatening stroke. Because survivors may be at increased risk for inactive and sedentary lifestyles, this study evaluates physical activity (PA) and sedentary behavior (SB) in the chronic phase after a-SAH. METHODS: PA and SB were objectively measured at six months post a-SAH with an accelerometer-based activity monitor, with the aim to cover three consecutive weekdays. Total time spent in PA (comprising walking, cycling, running and non-cyclic movement) and SB (comprising sitting and lying) was determined...
November 23, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29151360/balancing-the-playing-field-collaborative-gaming-for-physical-training
#17
Michael Mace, Nawal Kinany, Paul Rinne, Anthony Rayner, Paul Bentley, Etienne Burdet
BACKGROUND: Multiplayer video games promoting exercise-based rehabilitation may facilitate motor learning, by increasing motivation through social interaction. However, a major design challenge is to enable meaningful inter-subject interaction, whilst allowing for significant skill differences between players. We present a novel motor-training paradigm that allows real-time collaboration and performance enhancement, across a wide range of inter-subject skill mismatches, including disabled vs...
November 20, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29149885/setting-the-pace-insights-and-advancements-gained-while-preparing-for-an-fes-bike-race
#18
LETTER
John McDaniel, Lisa M Lombardo, Kevin M Foglyano, Paul D Marasco, Ronald J Triolo
The reduction in physical activity following a spinal cord injury often leads to a decline in mental and physical health. Developing an exercise program that is effective and enjoyable is paramount for this population. Although functional electrical stimulation (FES) stationary cycling has been utilized in rehabilitation settings, implementing an overground cycling program for those with spinal cord injuries has greater technical challenges. Recently our laboratory team focused on training five individuals with compete spinal cord injuries utilizing an implanted pulse generator for an overground FES bike race in CYBATHLON 2016 held in Zurich, Switzerland...
November 17, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29149855/increasing-upper-limb-training-intensity-in-chronic-stroke-using-embodied-virtual-reality-a-pilot-study
#19
Daniel Perez-Marcos, Odile Chevalley, Thomas Schmidlin, Gangadhar Garipelli, Andrea Serino, Philippe Vuadens, Tej Tadi, Olaf Blanke, José D R Millán
BACKGROUND: Technology-mediated neurorehabilitation is suggested to enhance training intensity and therefore functional gains. Here, we used a novel virtual reality (VR) system for task-specific upper extremity training after stroke. The system offers interactive exercises integrating motor priming techniques and embodied visuomotor feedback. In this pilot study, we examined (i) rehabilitation dose and training intensity, (ii) functional improvements, and (iii) safety and tolerance when exposed to intensive VR rehabilitation...
November 17, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29145876/standing-on-slopes-how-current-microprocessor-controlled-prosthetic-feet-support-transtibial-and-transfemoral-amputees-in-an-everyday-task
#20
Michael Ernst, Björn Altenburg, Malte Bellmann, Thomas Schmalz
BACKGROUND: Conventional prosthetic feet like energy storage and return feet provide only a limited range of ankle motion compared to human ones. In order to overcome the poor rotational adaptability, prosthetic manufacturers developed different prosthetic feet with an additional rotational joint and implemented active control in different states. It was the aim of the study to investigate to what extent these commercially available microprocessor-controlled prosthetic feet support a natural posture while standing on inclines and which concept is most beneficial for lower limb amputees...
November 16, 2017: Journal of Neuroengineering and Rehabilitation
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