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https://www.readbyqxmd.com/read/28227236/a-wheelchair-with-lever-propulsion-control-for-climbing-up-and-down-stairs
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
https://www.readbyqxmd.com/read/27926448/increasing-self-directed-training-in-neurorehabilitation-patients-through-competition
#14
B Studer, H Van Dijk, R Handermann, S Knecht
This proof-of-concept study aimed to test whether competition could be a useful tool to increase intensity and amount of self-directed training in neurorehabilitation. Stroke patients undergoing inpatient neurorehabilitation (n=93) conducted self-directed endurance training on a (wheelchair-compatible) bicycle trainer under three experimental conditions: a "Competition" condition and two noncompetition control conditions (repeated randomized within-subject design). Training performance and perceived exertion were recorded and statistically analyzed...
2016: Progress in Brain Research
https://www.readbyqxmd.com/read/27910723/powered-mobility-intervention-understanding-the-position-of-tool-use-learning-as-part-of-implementing-the-alp-tool
#15
Lisbeth Nilsson, Josephine Durkin
PURPOSE: To explore the knowledge necessary for adoption and implementation of the Assessment of Learning Powered mobility use (ALP) tool in different practice settings for both adults and children. To consult with a diverse population of professionals working with adults and children, in different countries and various settings; who were learning about or using the ALP tool, as part of exploring and implementing research findings. METHOD: Classical grounded theory with a rigorous comparative analysis of data from informants together with reflections on our own rich experiences of powered mobility practice and comparisons with the literature...
December 2, 2016: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/27900176/systematic-review-of-physical-activity-and-exercise-interventions-to-improve-health-fitness-and-well-being-of-children-and-young-people-who-use-wheelchairs
#16
Thomas D O'Brien, Jane Noyes, Llinos Haf Spencer, Hans-Peter Kubis, Richard P Hastings, Rhiannon Whitaker
AIM: To perform a systematic review establishing the current evidence base for physical activity and exercise interventions that promote health, fitness and well-being, rather than specific functional improvements, for children who use wheelchairs. DESIGN: A systematic review using a mixed methods design. DATA SOURCES: A wide range of databases, including Web of Science, PubMed, BMJ Best Practice, NHS EED, CINAHL, AMED, NICAN, PsychINFO, were searched for quantitative, qualitative and health economics evidence...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27898157/everyday-sitting-behavior-of-full-time-wheelchair-users
#17
Sharon E Sonenblum, Stephen H Sprigle, James S Martin
The objective of this study was to describe the in-seat movement and weight-shifting behavior of full-time wheelchair users. We measured everyday sitting behavior for 192 d across 28 individuals who used manual wheelchairs as their primary mobility device. To obtain the measurements, we used eight thin force sensors placed under participants' wheelchair cushions. On a typical day, participants spent an average of 10.6 +/- 3.0 h in their wheelchair and transferred out of the wheelchair 8.4 +/- 4.3 times. Participants only performed pressure reliefs (90% off-loading of the entire buttocks for at least 15 s) 0...
2016: Journal of Rehabilitation Research and Development
https://www.readbyqxmd.com/read/27874302/sprint-performance-of-elite-wheelchair-basketball-players-applicability-of-a-laser-system-for-describing-the-velocity-curve
#18
Amelia Ferro, Jorge Villacieros, Javier Pérez-Tejero
The purpose of this study was to develop a methodology to accurately analyze sprint performance of elite wheelchair basketball (WB) players in their own training context using a laser system and to analyze the velocity curve performed by the players regarding their functional classification and their playing position. Twelve WB players, from the Spanish men's national team, took part in an oncourt 20-m-sprint test. BioLaserSport® was used to obtain time, mean velocities (Vm), maximum velocities (Vmax), and distances at 90%, 95%, and 98% of their Vmax...
October 2016: Adapted Physical Activity Quarterly: APAQ
https://www.readbyqxmd.com/read/27821944/influence-of-sacral-sitting-in-a-wheelchair-on-the-distribution-of-contact-pressure-on-the-buttocks-and-back-and-shear-force-on-the-ischial-region
#19
Tadahiko Kamegaya
[Purpose] The purpose of this study was to investigate the influence of sacral sitting in a wheelchair on contact pressure on the buttocks and back, and shear force on the ischial region. [Subjects and Methods] Twenty-six healthy adults assumed two postures while seated in a wheelchair: a basic sitting posture, and sacral sitting with the pelvis tilted posteriorly and the ischium slid forward by 5 cm relative to its position in the basic sitting posture. The inclination angle of the sagittal pelvic line, contact pressures and contact areas on the buttocks and back, and the shear force generated by sliding the ischial region forward were measured...
October 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27801852/wheelchair-navigation-system-for-disabled-and-elderly-people
#20
Eun Yi Kim
An intelligent wheelchair (IW) system is developed in order to support safe mobility for disabled or elderly people with various impairments. The proposed IW offers two main functions: obstacle detection and avoidance, and situation recognition. First, through a combination of a vision sensor and eight ultrasonic ones, it detects diverse obstacles and produces occupancy grid maps (OGMs) that describe environmental information, including the positions and sizes of obstacles, which is then given to the learning-based algorithm...
October 28, 2016: Sensors
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