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Wheelchair positioning

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https://www.readbyqxmd.com/read/28326868/a-longitudinal-study-assessing-the-maintenance-condition-of-cadres-of-four-types-of-wheelchairs-provided-in-low-resource-areas
#1
Karen Rispin, Kristofer Riseling, Joy Wee
Wheelchair breakdowns increase the risk of injury and limit the mobility of wheelchair users. In the endeavour to meet the enormous global need for wheelchairs, manufacturers of wheelchairs for low-resource settings face a cost-benefit tension between affordability and durability. Field studies are needed to provide feedback on durability. Four manufacturers provided cadres of wheelchairs to the organization providing rehabilitation to students at a boarding school for children with disabilities in a low-resource area...
March 22, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28322758/increased-seat-dump-angle-in-a-manual-wheelchair-is-associated-with-changes-in-thoracolumbar-lordosis-and-scapular-kinematics-during-propulsion
#2
Beth A Cloud, Kristin D Zhao, Arin M Ellingson, Ahmad Nassr, Anthony J Windebank, Kai-Nan An
OBJECTIVE: To quantify and compare spinal curvature and shoulder kinematics throughout the manual wheelchair propulsion cycle for individuals with spinal cord injury (SCI) who were seated at 2 different seat dump angles. DESIGN: Single-group, repeated-measures study. SETTING: Academic medical center. PARTICIPANTS: Twenty-eight individuals completed the telephone screening; 21 were eligible and completed the study. INTERVENTIONS: Participants' personal manual wheelchairs were modified to have seat dump angles of 0° or 14°, with a vertical backrest...
March 18, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28291956/physical-activity-motivation-and-benefits-in-people-with-multiple-sclerosis
#3
Kimberly S Fasczewski, Diane L Gill, Sara M Rothberger
PURPOSE: Multiple sclerosis is a degenerative neurological disease that affects 2.1 million people worldwide. There is no cure, but an expanding body of research supports the positive impact of physical activity and suggests physical activity has benefits for the individual's psychological and physical well-being. MATERIAL AND METHODS: Using Self-Determination Theory as a framework, mixed methods with a focus on qualitative interviews were used to explore physical activity motivation and benefits with a sample of highly active people with multiple sclerosis (n = 15)...
March 14, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28278254/characterizing-the-community-use-of-an-ultralight-wheelchair-with-on-the-fly-adjustable-seating-functions-a-pilot-study
#4
Johanne Mattie, Jaimie Borisoff, William C Miller, Borna Noureddin
An ultralight manual wheelchair that allows users to independently adjust rear seat height and backrest angle during normal everyday usage was recently commercialized. Prior research has been performed on wheelchair tilt, recline, and seat elevation use in the community, however no such research has been done on this new class of manual ultralight wheelchair with "on the fly" adjustments. The objective of this pilot study was to investigate and characterize the use of the two adjustable seating functions available on the Elevation™ ultralight dynamic wheelchair during its use in the community...
2017: PloS One
https://www.readbyqxmd.com/read/28278008/the-influence-of-axle-position-and-the-use-of-accessories-on-the-activity-of-upper-limbs-muscles-during-manual-wheelchair-propulsion
#5
Guilherme da Silva Bertolaccini, Idinei Francisco Pires de Carvalho Filho, Gustavo Christofoletti, Luis Carlos Paschoarelli, Fausto Orsi Medola
INTRODUCTION: Wheelchair configuration is an important factor influencing the ergonomics of user-device interface and, from a biomechanical point of view, small changes in the chair setup may have a positive influence on the demand on the upper limbs during manual propulsion. This study aimed to investigate the influence of the position of the rear wheels' axle and the use of accessories on the activity of upper limb muscles during manual wheelchair propulsion. METHODS: Electromyography signal of the biceps, triceps, anterior deltoids and pectoralis major were collected with eleven able-bodied subjects in a wheelchair propulsion protocol with four different wheelchair configurations (differing in axle position and the use of accessories) in straightforward sprint and slalom course...
February 17, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/28269023/a-wheelchair-with-lever-propulsion-control-for-climbing-up-and-down-stairs
#6
Kai Sasaki, Yosuke Eguchi, Kenji Suzuki
This study proposes a novel stair-climbing wheelchair based on lever propulsion control using the human upper body. Wheelchairs are widely used as supporting locomotion devices for people with acquired lower limb disabilities. However, steps and stairs are critical obstacles to locomotion, which restrict their activities when using wheelchairs. Previous research focused on power-assisted, stair-climbing wheelchairs, which were large and heavy due to its large actuators and mechanisms. In the previous research, we proposed a wheelchair with lever propulsion mechanism and presented its feasibility of climbing up the stairs...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28239345/improvements-in-orientation-and-balancing-abilities-in-response-to-one-month-of-intensive-slackline-training-a-randomized-controlled-feasibility-study
#7
Milos Dordevic, Anita Hökelmann, Patrick Müller, Kathrin Rehfeld, Notger G Müller
Background: Slackline-training has been shown to improve mainly task-specific balancing skills. Non-task specific effects were assessed for tandem stance and preferred one-leg stance on stable and perturbed force platforms with open eyes. It is unclear whether transfer effects exist for other balancing conditions and which component of the balancing ability is affected. Also, it is not known whether slackline-training can improve non-visual-dependent spatial orientation abilities, a function mainly supported by the hippocampus...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28227236/a-wheelchair-with-lever-propulsion-control-for-climbing-up-and-down-stairs
#8
Kai Sasaki, Yosuke Eguchi, Kenji Suzuki, Kai Sasaki, Yosuke Eguchi, Kenji Suzuki, Kenji Suzuki, Yosuke Eguchi, Kai Sasaki
This study proposes a novel stair-climbing wheelchair based on lever propulsion control using the human upper body. Wheelchairs are widely used as supporting locomotion devices for people with acquired lower limb disabilities. However, steps and stairs are critical obstacles to locomotion, which restrict their activities when using wheelchairs. Previous research focused on power-assisted, stair-climbing wheelchairs, which were large and heavy due to its large actuators and mechanisms. In the previous research, we proposed a wheelchair with lever propulsion mechanism and presented its feasibility of climbing up the stairs...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28208682/new-approaches-to-exciting-exergame-experiences-for-people-with-motor-function-impairments
#9
Martina Eckert, Ignacio Gómez-Martinho, Juan Meneses, José-Fernán Martínez
The work presented here suggests new ways to tackle exergames for physical rehabilitation and to improve the players' immersion and involvement. The primary (but not exclusive) purpose is to increase the motivation of children and adolescents with severe physical impairments, for doing their required exercises while playing. The proposed gaming environment is based on the Kinect sensor and the Blender Game Engine. A middleware has been implemented that efficiently transmits the data from the sensor to the game...
February 12, 2017: Sensors
https://www.readbyqxmd.com/read/28152334/a-comparison-of-the-efficacy-of-weight-shift-vs-joystick-control-of-a-robotic-mobility-device-by-infants-ages-5-to-10-months
#10
Sharon Stansfield, Carole Dennis, Rachel Altman, Janelle Smith, Hélène Larin
The onset of crawling in infants contributes to cognitive, perceptual, social, and emotional development. Conversely, infants with motor impairment that delays or prevents autonomous mobility often have associated developmental delays. Evidence suggests that providing mobility may have positive developmental outcomes, however powered wheelchairs may not be recommended for very young children, due to safety concerns and the child's level of cognitive maturity. The WeeBot is a mobility device controlled by infant weight shifting while seated; infants as young as 5 months have learned to use it...
February 2, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/28134824/a-new-adaptable-optical-high-resolution-3-axis-sensor
#11
Niels Buchhold, Christian Baumgartner
This article presents a new optical, multi-functional, high-resolution 3-axis sensor which serves to navigate and can, for example, replace standard joysticks in medical devices such as electric wheelchairs, surgical robots or medical diagnosis devices. A light source, e.g., a laser diode, is affixed to a movable axis and projects a random geometric shape on an image sensor (CMOS or CCD). The downstream microcontroller's software identifies the geometric shape's center, distortion and size, and then calculates x, y, and z coordinates, which can be processed in attached devices...
January 27, 2017: Sensors
https://www.readbyqxmd.com/read/28130083/how-are-race-cultural-and-psychosocial-factors-associated-with-outcomes-in-veterans-with-spinal-cord-injury
#12
Larissa Myaskovsky, Shasha Gao, Leslie Rm Hausmann, Kellee R Bornemann, Kelly H Burkitt, Galen E Switzer, Michael J Fine, Samuel L Phillips, David Gater, Ann M Spungen, Michael L Boninger
OBJECTIVE: To understand the role of cultural and psychosocial factors in the outcomes of Veteran wheelchair users with spinal cord injury (SCI) to help clinicians identify unique factors faced by their patients and help researchers identify target variables for interventions to reduce disparities in outcomes. DESIGN: Cross-sectional cohort study SETTING: Three urban VA Medical Centers affiliated with academic medical centers. PARTICIPANTS: Of the 516 patients who were eligible to participate, 482 completed the interview and 439 had SCI...
January 24, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28122621/how-does-playing-adapted-sports-affect-quality-of-life-of-people-with-mobility-limitations-results-from-a-mixed-method-sequential-explanatory-study
#13
Félix Côté-Leclerc, Gabrielle Boileau Duchesne, Patrick Bolduc, Amélie Gélinas-Lafrenière, Corinne Santerre, Johanne Desrosiers, Mélanie Levasseur
BACKGROUND: Occupations, including physical activity, are a strong determinant of health. However, mobility limitations can restrict opportunities to perform these occupations, which may affect quality of life. Some people will turn to adapted sports to meet their need to be involved in occupations. Little is known, however, about how participation in adapted sports affects the quality of life of people with mobility limitations. This study thus aimed to explore the influence of adapted sports on quality of life in adult wheelchair users...
January 25, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28120076/reability-complex-external-prosthesis-systems-to-rehabilitate-movement
#14
Bice Previtera, Carlo Jovine, Massimiliano Visocchi
The ReAbility Project is a solution that provides an alternative to wheelchair mobility for people with serious disabilities of the lower limbs, such as paraplegics, allowing them to stand and walk once again. This solution is achieved by utilizing an instrument called an "exoskeleton".The ReAbility device is a robotic-assisted system designed to improve the quality of life of people with a movement disability and/or reduced movement; it is meant both for daily domestic use and for rehabilitation therapy in hospitals and rehabilitation centers...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28092509/a-bci-based-environmental-control-system-for-patients-with-severe-spinal-cord-injuries
#15
Rui Zhang, Qihong Wang, Kai Li, Shenghong He, Si Qin, Zhenghui Feng, Yang Chen, Pingxia Song, Tingyan Yang, Yuandong Zhang, Zhuliang Yu, Yaohua Hu, Ming Shao, Yuanqing Li
This study proposes an event-related potential (ERP) BCI-based environmental control system that integrates household electrical appliances, a nursing bed, and an intelligent wheelchair to provide daily assistance to paralyzed patients with severe spinal cord injuries (SCIs). METHODS: An asynchronous mode is used to switch the environmental control system on or off or to select a device (e.g., a TV) for achieving selfpaced control. In the asynchronous mode, we introduce several pseudo-keys and a verification mechanism to effectively reduce the false operation rate...
January 9, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28092144/exergaming-boxing-versus-heavy-bag-boxing-are-these-equipotent-for-individuals-with-spinal-cord-injury
#16
Maziah Mat Rosly, Hadi Mat Rosly, Nazirah Hasnan, Glen M Davis, Ruby Husain
BACKGROUND: Current strategies for increased physical activity and exercise in individuals with spinal cord injury (SCI) face many challenges with regards to maintaining their continuity of participation. Barriers cited often include problems with accessing facilities, mundane, monotonous or boring exercises and expensive equipment that is often not adapted for wheelchair users. AIM: To compare the physiological responses and user preferences between conventional heavy bag boxing against a novel form of video game boxing, known as exergaming boxing...
January 13, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28072705/posterior-only-vertebral-column-resection-for-revision-surgery-in-post-laminectomy-rotokyphoscoliosis-associated-with-late-onset-paraplegia-a-case-report-and-literature-review
#17
REVIEW
Youping Tao, Jigong Wu, Huasong Ma
RATIONALE: Severe post-laminectomy spinal deformity associated with late-onset paraplegia is a complex and rare disorder. Little is known about revision surgery in post-laminectomy rotokyphoscoliosis associated with late-onset paraplegia treated by the single stage posterior-only vertebral column resection (VCR) procedure. PATIENT CONCERNS AND DIAGNOSES: The patient was a 14-year-old male diagnosed as post-laminectomy rotokyphoscoliosis associated with late-onset paraplegia...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27982717/intelligent-power-wheelchair-use-in-long-term-care-potential-users-experiences-and-perceptions
#18
Paula W Rushton, Ben W Mortenson, Pooja Viswanathan, Rosalie H Wang, William C Miller, Laura Hurd Clarke
PURPOSE: Long-term care (LTC) residents with cognitive impairments frequently experience limited mobility and participation in preferred activities. Although a power wheelchair could mitigate some of these mobility and participation challenges, this technology is often not prescribed for this population due to safety concerns. An intelligent power wheelchair (IPW) system represents a potential intervention that could help to overcome these concerns. The purpose of this study was to explore a) how residents experienced an IPW that used three different modes of control and b) what perceived effect the IPW would have on their daily lives...
December 16, 2016: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/27959349/an-unusual-cause-of-falls-in-a-young-woman
#19
I Sleeman, L Wiblin, D Burn
Nitrous oxide is commonly used as an analgesic and anaesthetic agent. Nitrous oxide is also in use in industry as an aerosol propellant and is now recognised as a recreational drug whose use is growing, especially among the young. Nitrous oxide from whipped cream canisters is inhaled to produce a dissociative, intoxicated state. Nitrous oxide is known to inactivate vitamin B12 via oxidation, which can precipitate a demyelinating myelopathy akin to the classical B12 deficiency syndrome, subacute combined degeneration of the spinal cord...
September 2016: Journal of the Royal College of Physicians of Edinburgh
https://www.readbyqxmd.com/read/27938365/comparing-the-effects-of-different-dynamic-sitting-strategies-in-wheelchair-seating-on-lumbar-pelvic-angle
#20
Chun-Ting Li, Yao-Te Peng, Yen-Ting Tseng, Yen-Nien Chen, Kuen-Horng Tsai
BACKGROUND: Prolonged static sitting in a wheelchair is associated with an increased risk of lower back pain. The wheelchair seating system is a key factor of this risk because it affects spinal loading in the sitting position. In this study, 7 dynamic sitting strategies (DSSs) are examined: lumbar prominent dynamic sitting (LPDS), back reclined dynamic sitting (BRDS), femur upward dynamic sitting (FUDS), lumbar prominent with back reclined dynamic sitting (LBDS), lumbar prominent with femur upward dynamic sitting (LFDS), back reclined with femur upward dynamic sitting (BFDS), and lumbar prominent with back reclined with femur upward dynamic sitting (LBFDS)...
December 9, 2016: BMC Musculoskeletal Disorders
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