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https://www.readbyqxmd.com/read/29771627/efficiency-and-perceived-exertion-of-novel-wheelchair-wheels-a-comparative-study
#1
Laura Sanches Rocha, Bonita Sawatzky, W Ben Mortenson
New geared wheelchair wheels have been developed allowing the user to pull backwards on the rims to move forward. Theoretically, this utilizes larger muscle groups compared to conventional propulsion preventing repetitive stress injuries. This study compared the gross mechanical efficiency (GME), perceived effort and energy expenditure of propelling the wheelchair using two types of these geared wheels and standard forward propulsion wheels. A within participants repeated measures design was used. Participants' energy expenditure and perceived exertion were measured...
May 17, 2018: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/29765880/pressure-relieving-effect-of-adding-a-pelvic-well-pad-to-a-wheelchair-cushion-in-individuals-with-spinal-cord-injury
#2
Hyunsoo Shin, Junsik Kim, Jin-Ju Kim, Hye-Ri Kim, Hye-Jin Lee, Bum-Suk Lee, Zee-A Han
Objective: To identify the pressure relieving effect of adding a pelvic well pad, a firm pad that is cut in the ischial area, to a wheelchair cushion on the ischium. Methods: Medical records of 77 individuals with SCI, who underwent interface pressure mapping of the buttock-thigh area, were retrospectively reviewed. The pelvic well pad is a 2.5-cm thick firm pad and has a cut in the ischial area. Expecting additional pressure relief, it can be inserted under a wheelchair cushion...
April 2018: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29765462/development-of-a-new-intelligent-joystick-for-people-with-reduced-mobility
#3
Makrem Mrabet, Yassine Rabhi, Farhat Fnaiech
Despite the diversity of electric wheelchairs, many people with physical limitations and seniors have difficulty using their standard joystick. As a result, they cannot meet their needs or ensure safe travel. Recent assistive technologies can help to give them autonomy and independence. This work deals with the real-time implementation of an artificial intelligence device to overcome these problems. Following a review of the literature from previous work, we present the methodology and process for implementing our intelligent control system on an electric wheelchair...
2018: Applied Bionics and Biomechanics
https://www.readbyqxmd.com/read/29764620/hand-forces-exerted-by-long-term-care-staff-when-pushing-wheelchairs-on-compliant-and-non-compliant-flooring
#4
Chantelle C Lachance, Alexandra M B Korall, Colin M Russell, Fabio Feldman, Stephen N Robinovitch, Dawn C Mackey
Purpose-designed compliant flooring and carpeting have been promoted as a means for reducing fall-related injuries in high-risk environments, such as long-term care. However, it is not known whether these surfaces influence the forces that long-term care staff exert when pushing residents in wheelchairs. We studied 14 direct-care staff who pushed a loaded wheelchair instrumented with a triaxial load cell to test the effects on hand force of flooring overlay (vinyl versus carpet) and flooring subfloor (concrete versus compliant rubber [brand: SmartCells])...
September 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29764615/comfort-evaluation-of-a-subject-specific-seating-interface-formed-by-vibrating-grains
#5
Shenghui Liu, Yunxia Qu, Shujun Hou, Kai Li, Xinye Li, Yang Zhai, Yunxiao Ji
Sitting is the most common posture for work in offices, and spinal cord injury (SCI) patients who are wheelchair dependent spend 10.6 h per day seated in wheelchairs. Thus, the comfort of subject-specific interfaces is increasingly important for the well-being of patients and office workers. This paper introduces a new method of forming a subject-specific interface, based on vibrating grains. Twenty subjects (10 females and 10 males) participated in the sitting test. Interface comfort was evaluated using the pressure distribution and subjective rating methods...
September 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29764612/the-effect-of-a-novel-square-profile-hand-rim-on-propulsion-technique-of-wheelchair-tennis-players
#6
Sonja de Groot, Femke Bos, Jorine Koopman, Aldo E Hoekstra, Riemer J K Vegter
The purpose of this study was to investigate the effect of a square-profile hand rim (SPR) on propulsion technique of wheelchair tennis players. Eight experienced wheelchair tennis players performed two sets of three submaximal exercise tests and six sprint tests on a wheelchair ergometer, once with a regular rim (RR) and once with a SPR. Torque and velocity were measured continuously and power output and timing variables were calculated. No significant differences were found in propulsion technique between the RR and SPR during the submaximal tests...
September 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29761737/predictive-validity-of-neda-in-the-16-and-21-year-follow-up-from-the-pivotal-trial-of-interferon-beta-1b
#7
Douglas S Goodin, Anthony T Reder, Anthony L Traboulsee, David Kb Li, Dawn Langdon, Gary Cutter, Stuart Cook, Timothy O'Donnell, Marcelo Kremenchutzky, Joel Oger, Ralf Koelbach, Christoph Pohl, Eva-Maria Wicklein
BACKGROUND: Long-term follow-up from the randomized trial of interferon beta-1b (IFNB-1b) permitted the assessment of different definitions of no evidence of disease activity (NEDA) for predicting long-term outcome in multiple sclerosis (MS). OBJECTIVE: To examine the predictive validity of different NEDA definitions. METHODS: Predictive validity for negative disability outcomes (NDOs) at 16 years and survival at 21 years post-randomization were assessed...
May 1, 2018: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/29760552/patients-receiving-chiropractic-care-in-a-neurorehabilitation-hospital-a-descriptive-study
#8
Robert D Vining, Stacie A Salsbury, W Carl Cooley, Donna Gosselin, Lance Corber, Christine M Goertz
Objectives: Individuals rehabilitating from complex neurological injury require a multidisciplinary approach, which typically does not include chiropractic care. This study describes inpatients receiving multidisciplinary rehabilitation including chiropractic care for brain injury, spinal cord injury (SCI), stroke, and other complex neurological conditions. Design: Chiropractic services were integrated into Crotched Mountain Specialty Hospital (CMSH) through this project...
2018: Journal of Multidisciplinary Healthcare
https://www.readbyqxmd.com/read/29757043/effect-of-vitamin-d-supplementation-on-25-oh-d-status-in-elite-athletes-with-spinal-cord-injury
#9
Kelly Pritchett, Robert C Pritchett, Lauren Stark, Elizabeth Broad, Melissa LaCroix
Recent studies suggest that a substantial proportion of athletes with SCI (spinal cord injury) have insufficient 25(OH)D status which may be associated with decreased muscle strength. This study consisted of two parts: 1) to examine the effects of a 12 -16 week vitamin D3 supplementation protocol on 25(OH)D concentration and 2) to determine whether subsequent 25(OH)D status impacts muscle performance in elite athletes with SCI. Thirty-four members (age: 33 ± 15 years, weight: 69.6 ± 28.2kg, height: 170.2 ± 25...
May 14, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29753900/dorsal-longitudinal-t-myelotomy-bischof-ii-technique-a-useful-antiquated-procedure-for-treatment-of-intractable-spastic-paraplegia
#10
Bunpot Sitthinamsuwan, Inthira Khampalikit, Luckchai Phonwijit, Akkapong Nitising, Sarun Nunta-Aree, Sirilak Suksompong
OBJECTIVE: Dorsal longitudinal T-myelotomy is a long-established operation to treat severe spastic paraplegia. The present study aimed to report this surgical technique and investigate the efficacy of T-myelotomy for spasticity relief. METHODS: All cases undergoing T-myelotomy for treatment of intractable spastic paraplegia during 2009-2017 were included. The spasticity severity was evaluated using the Modified Ashworth Scale (MAS), Penn Spasm Frequency Scale (PSFS), Adductor Tone Rating Scale (ATRS), degree of passive range of motion (PROM), and occurrence of abdominal muscle spasms...
May 10, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29753614/a-22-year-follow-up-reveals-a-variable-disease-severity-in-early-onset-facioscapulohumeral-dystrophy
#11
Rianne J M Goselink, Caroline R van Kernebeek, Karlien Mul, Richard J L F Lemmers, Silvère M van der Maarel, Oebele F Brouwer, Nicol Voermans, George W Padberg, Corrie E Erasmus, Baziel G M van Engelen
AIM: To assess the long-term natural course of early-onset facioscapulohumeral dystrophy (FSHD), which is important for patient management and trial-readiness, and is currently lacking. METHODS: We had the unique opportunity to evaluate 10 patients with early-onset FSHD after 22 years follow-up. Patients underwent a semi-structured interview, physical examination and additional genotyping. RESULTS: Nine initial study participants (median age 37 years) were included, one patient died shortly after first publication...
May 3, 2018: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/29751603/agent-based-intelligent-interface-for-wheelchair-movement-control
#12
Alberto L Barriuso, Javier Pérez-Marcos, Diego M Jiménez-Bravo, Gabriel Villarrubia González, Juan F De Paz
People who suffer from any kind of motor difficulty face serious complications to autonomously move in their daily lives. However, a growing number research projects which propose different powered wheelchairs control systems are arising. Despite of the interest of the research community in the area, there is no platform that allows an easy integration of various control methods that make use of heterogeneous sensors and computationally demanding algorithms. In this work, an architecture based on virtual organizations of agents is proposed that makes use of a flexible and scalable communication protocol that allows the deployment of embedded agents in computationally limited devices...
May 11, 2018: Sensors
https://www.readbyqxmd.com/read/29750195/utilizing-sensory-prediction-errors-for-movement-intention-decoding-a-new-methodology
#13
Gowrishankar Ganesh, Keigo Nakamura, Supat Saetia, Alejandra Mejia Tobar, Eiichi Yoshida, Hideyuki Ando, Natsue Yoshimura, Yasuharu Koike
We propose a new methodology for decoding movement intentions of humans. This methodology is motivated by the well-documented ability of the brain to predict sensory outcomes of self-generated and imagined actions using so-called forward models. We propose to subliminally stimulate the sensory modality corresponding to a user's intended movement, and decode a user's movement intention from his electroencephalography (EEG), by decoding for prediction errors-whether the sensory prediction corresponding to a user's intended movement matches the subliminal sensory stimulation we induce...
May 2018: Science Advances
https://www.readbyqxmd.com/read/29750117/effect-of-technique-and-transfer-board-use-on-the-performance-of-wheelchair-transfers
#14
Giulia Barbareschi, Tsu-Jui Cheng, Catherine Holloway
Transferring to and from the wheelchair seat is a necessary skill for many wheelchair users who wish to be independent of their everyday life. The performance of wheelchair transfers has been associated with the risk of falling and developing upper limb injuries. Both present a risk to the independence of the individual. Previous studies on wheelchair transfers have focused mainly on the analysis of sitting transfers performed by individuals with spinal cord injury, which only represent a small portion of the wider wheelchair users' population...
April 2018: Healthcare Technology Letters
https://www.readbyqxmd.com/read/29737378/trunk-head-and-pelvis-interactions-in-healthy-children-when-performing-seated-daily-arm-tasks
#15
L H C Peeters, I Kingma, G S Faber, J H van Dieën, I J M de Groot
Development of trunk and head supportive devices for children with neuromuscular disorders requires detailed information about pelvis, trunk and head movement in interaction with upper extremity movement, as these are crucial for daily activities when seated in a wheelchair. Twenty-five healthy subjects (6-20 years old) were included to obtain insight in the physiological interactions between these segments and to assess maturation effects. Subjects performed a maximum range of trunk and head movement tasks and several daily tasks, including forward and lateral reaching...
May 8, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29736550/sensitivity-to-change-of-the-field-based-wheelchair-mobility-performance-test-in-wheelchair-basketball
#16
Annemarie M H de Witte, Fleur S F Sjaarda, Jochem Helleman, Monique A M Berger, Lucas H V van der Woude, Marco J M Hoozemans
OBJECTIVE: The Wheelchair Mobility Performance (WMP) test is a reliable and valid measure to assess mobility performance in wheelchair basketball. The aim of this study was to examine the sensitivity to change of the WMP test by manipulating wheelchair configurations. METHODS: Sixteen wheelchair basketball players performed the WMP test 3 times in their own wheelchair: (i) without adjustments ("control condition"); (ii) with 10 kg additional mass ("weighted condition"); and (iii) with 50% reduced tyre pressure ("tyre condition")...
May 8, 2018: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29736264/clinical-management-of-friedreich-s-ataxia-a-report-of-two-cases
#17
Yannis Dionyssiotis, Athina Kapsokoulou, Anna Danopoulou, Maria Kokolaki, Athina Vadalouka
Introduction: Friedreich's ataxia (FDRA) is the most common autosomal recessive, early-onset ataxia. FDRA is a progressive neurodegenerative disease that mainly affects the posterior (dorsal) columns of the spinal cord resulting in sensory ataxia. It manifests in initial symptoms of poor coordination and gait disturbance. Case presentation: We present two cases, a brother (54 years old) and sister (56 years old), with FDRA that are chronically institutionalized for incomplete quadriplegia without spasticity...
2018: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/29725580/salient-features-and-outcomes-of-charcot-foot-an-often-overlooked-diabetic-complication-a-17-year-experience-at-a-diabetic-center-in-bangkok
#18
Yotsapon Thewjitcharoen, Jeeraphan Sripatpong, Wyn Parksook, Sirinate Krittiyawong, Sriurai Porramatikul, Taweesak Srikummoon, Somkiet Mahaudomporn, Soontaree Nakasatien, Thep Himathongkam
Background: Charcot foot is a rare but a serious diabetic condition. Recognition of this often overlooked condition to provide timely and proper management is important for a better prognosis. Limited data on Charcot foot was available in Asians. Aims: The aim of this study is to describe salient features and outcomes of Charcot foot in Thai patients. Method: We presented our experience of 40 cases of Charcot foot patients who were treated from 2000 to 2016 at Theptarin Hospital, Bangkok, Thailand...
March 2018: Journal of Clinical & Translational Endocrinology
https://www.readbyqxmd.com/read/29722750/a-survey-of-canadian-occupational-therapy-practices-to-prevent-pressure-injuries-among-wheelchair-users-via-weight-shifting
#19
W Ben Mortenson, Sarah C Thompson, Alison L Wright, Jeanette Boily, Kevin Waldorf, Sandy Leznoff
PURPOSE: The purpose of this study was to describe occupational therapy weight-shifting practices and explore recommended strategies for patients, healthcare staff, and family/caregivers across healthcare settings. DESIGN: Cross-sectional survey. SUBJECTS AND SETTING: Respondents included 97 currently practicing occupational therapists working in 5 main practice settings (ie, acute care, inpatient rehabilitation, outpatient rehabilitation, home and community care, and residential) from 9 out of 10 Canadian provinces...
May 2018: Journal of Wound, Ostomy, and Continence Nursing
https://www.readbyqxmd.com/read/29722580/reliability-of-the-spanish-version-of-the-wheelchair-skills-test-4-2-for-manual-wheelchair-users-with-spinal-cord-injury
#20
Diego Passuni, Elisa Dalzotto, Christian F Gath, Eliana Buffetti, Milagros Elizalde, Verónica Jarmoluk, Maria J Russo, Silvia Intruvini, Lisandro E Olmos, Orestes Freixes
STUDY DESIGN: Cross-sectional. OBJECTIVES: The majority of people with a spinal cord injury (SCI) are dependent on wheelchair for their mobility. Approximately, 36% of wheelchair users reported that obstacles such as curbs, uneven terrain, flooring surfaces and thresholds were barriers to mobility. Several studies have shown that assessment and training of wheelchair skills leads to improvements in those skills. The purpose of our study was to translate the Wheelchair Skill Test (4...
May 3, 2018: Disability and Rehabilitation. Assistive Technology
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