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Wheelchair positioning

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https://www.readbyqxmd.com/read/29338626/fitts-law-is-applicable-to-trunk-coordination-measurements-in-a-sitting-position
#1
Brenda E Groen, Viola C Altmann, Ruud W Verhagen, Yves C Vanlandewijck, Noël L W Keijsers
Trunk coordination is essential for many activities of daily living in wheelchair users. This study investigated whether Fitts' law is applicable to trunk movements in a sitting position. Fourteen healthy adults performed two series of 24 tasks of trunk flexion-extension movements in a sitting position. The results showed significant linear relationships between average group movement time (MT) and index of difficulty (ID) over all tasks (r2 = 0.92) and within target distances (0.94 < r2 < 1.00). Target distance affected intercept and slope (P < 0...
January 17, 2018: Journal of Motor Behavior
https://www.readbyqxmd.com/read/29299222/functional-electrical-stimulation-cycling-strategies-tested-during-preparation-for-the-first-cybathlon-competition-a-practical-report-from-team-ens-de-lyon
#2
Amine Metani, Lana Popović-Maneski, Sebastien Mateo, Laura Lemahieu, Vance Bergeron
Whether it is from the patient's or the physical therapist's point of view, FES cycling can be considered either as a recreational activity, or an engaging rehabilitation tool. In both cases, it keeps patients with lower-limb paralysis motivated to sustain a regular physical activity. Thus, it is not surprising that it was selected as one of the six disciplines of the first Cybathlon competition held on October 8, 2016. However, many unresolved issues prevent FES cycling from being an activity practiced outdoors on a daily basis; such as, low power production, rapid muscle fatigue, precise electrode positioning, lack of systematic procedures to determine stimulation patterns, and the difficulty of transferring disabled riders from their wheelchair to the tricycle...
December 5, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29245216/magnetic-resonance-imaging-of-the-spinal-cord-in-the-evaluation-of-3-patients-with-sensory-neuronopathies-diagnostic-assessment-indications-of-treatment-response-and-impact-of-autoimmunity-a-case-report
#3
Julius Birnbaum, Aliya Lalji, Ezequiel A Piccione, Izlem Izbudak
RATIONALE: Sensory neuronopathy can be a devastating peripheral nervous system disorder. Profound loss in joint position is associated with sensory ataxia, and reflects degeneration of large-sized dorsal root ganglia. Prompt recognition of sensory neuronopathies may constitute a therapeutic window to intervene before there are irreversible deficits. However, nerve-conduction studies may be unrevealing early in the disease course. In such cases, the appearance of dorsal column lesions on spinal-cord MRI can help in the diagnosis...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29184396/excessive-anterior-cervical-muscle-tone-affects-hyoid-bone-kinetics-during-swallowing-in-healthy-individuals
#4
Yasuhiro Yamazaki, Haruka Tohara, Koji Hara, Ayako Nakane, Yoko Wakasugi, Kohei Yamaguchi, Shunsuke Minakuchi
Purpose: This study aimed to determine whether excessive neck muscle tone affects hyoid bone kinetics during swallowing using videofluorography (VF) in an unnatural posture in healthy individuals. Subjects and methods: Subjects were 28 healthy adults (12 men, 16 women; mean age, 39.75±9.50 years) without any history or present complaints of swallowing disorders. We first established the participant's posture a reclining wheelchair that was adjusted to a 30-degree angle with the headrest (without excessive neck muscle tone) or without headrest (with excessive neck muscle tone), used an electromyogram above the mylohyoid muscle to represent the suprahyoid muscles and above the sternohyoid muscle to represent the infrahyoid muscles to confirm neck muscle tone, and then conducted VF of swallowing measurements...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/29157032/pain-fatigue-function-and-participation-among-long-term-manual-wheelchair-users-partnered-with-a-mobility-service-dog
#5
Claude Vincent, Dany H Gagnon, Frédéric Dumont
PURPOSE: To assess the effects of a mobility service dog (MSD) on pain, fatigue, wheelchair-related functional tasks, participation and satisfaction among manual wheelchair users over a nine-month period. METHOD: A longitudinal study with repeated assessment times before and three, six and nine months after intervention was achieved. Intervention consisted in partnering each participant with a MSD. The setting is a well-established provincial service dog training school and participants homes...
November 20, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/29130752/self-reported-difficulty-and-preferences-of-wheeled-mobility-device-users-for-simulated-low-floor-bus-boarding-interior-circulation-and-disembarking
#6
Clive D'Souza, Victor L Paquet, James A Lenker, Edward Steinfeld
BACKGROUND: Low ridership of public transit buses among wheeled mobility device users suggests the need to identify vehicle design conditions that are either particularly accommodating or challenging. The objective of this study was to determine the effects of low-floor bus interior seating configuration and passenger load on wheeled mobility device user-reported difficulty, overall acceptability and design preference. METHODS: Forty-eight wheeled mobility users evaluated three interior design layouts at two levels of passenger load (high vs...
November 13, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/29091469/case-study-dose-response-of-caffeine-on-20-km-handcycling-time-trial-performance-in-a-para-triathlete
#7
Terri Graham-Paulson, Claudio Perret, Victoria Goosey-Tolfrey
Caffeine's ability to influence upper-body exercise (UBE) endurance performance may be related to an individual's training status. This case study therefore aimed to investigate the ergogenic effects of caffeine dose on 20 km time trial (TT) performance of an elite male Para-triathlete (wheelchair user) (age 46 y, body mass 76.9 kg, body fat 25.4%, handcycling V̇O2peak 3.45 l·min(-1)). The athlete completed four 20 km handcycling TT's on a Cyclus II ergometer under laboratory controlled conditions following the ingestion of 2, 4 and 6 mg·kg(-1) caffeine (CAF) or placebo (PLA)...
November 1, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29060262/quantifying-the-effects-of-on-the-fly-changes-of-seating-configuration-on-the-stability-of-a-manual-wheelchair
#8
Louise Thomas, Jaimie Borisoff, Carolyn J Sparrey
In general, manual wheelchairs are designed with a fixed frame, which is not optimal for every situation. Adjustable on the fly seating allow users to rapidly adapt their wheelchair configuration to suit different tasks. These changes move the center of gravity (CoG) of the system, altering the wheelchair stability and maneuverability. To assess these changes, a computer simulation of a manual wheelchair was created with adjustable seat, backrest, rear axle position and user position, and validated with experimental testing...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29035615/improving-mobility-performance-in-wheelchair-basketball
#9
Thom T J Veeger, Annemarie M H De Witte, Monique A M Berger, Rienk M A Van Der Slikke, Dirkjan H E J Veeger, Marco J M Hoozemans
OBJECTIVE: This study aimed to investigate which characteristics of athlete, wheelchair and athlete-wheelchair interface are the best predictors of wheelchair basketball mobility performance. DESIGN: Sixty experienced wheelchair basketball players performed a wheelchair mobility performance test to assess their mobility performance. To determine which variables were the best predictors of mobility performance, forward stepwise linear regression analyses were performed on a set of 33 characteristics, including ten athlete, nineteen wheelchair and four athlete-wheelchair interface characteristics...
October 16, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29018615/a-randomized-control-trial-feasibility-evaluation-of-an-mhealth-intervention-for-wheelchair-skill-training-among-middle-aged-and-older-adults
#10
Edward M Giesbrecht, William C Miller
BACKGROUND: Providing mobility skills training to manual wheelchair (MWC) users can have a positive impact on community participation, confidence and quality of life. Often such training is restricted or not provided at all because of the expense of, and limited access to, occupational and physical therapists before and after discharge. This is particularly true among middle-aged and older adults, who often have limited access to rehabilitation services and require more time to learn motor skills...
2017: PeerJ
https://www.readbyqxmd.com/read/28985093/effects-of-offense-defense-and-ball-possession-on-mobility-performance-in-wheelchair-basketball
#11
Annemarie M H de Witte, Monique A M Berger, Marco J M Hoozemans, Dirkjan H E J Veeger, Lucas H V van der Woude
The aim of this study was to determine to what extent mobility performance is influenced by offensive or defensive situations and ball possession and to what extent these actions are different for the field positions. From video analysis, the relative duration of the various wheelchair movements during team offense/defense and individual ball possession was compared in 56 elite wheelchair basketball players. A two-way analysis of variance indicated that during offense, the guards and forwards performed longer driving forward than during defense...
October 1, 2017: Adapted Physical Activity Quarterly: APAQ
https://www.readbyqxmd.com/read/28966227/childhood-onset-anti-3-hydroxy-3-methylglutaryl-coenzyme-a-reductase-anti-hmgcr-necrotizing-myopathy-needs-to-be-distinguished-from-muscular-dystrophy-a-case-study
#12
Yuka Hama, Madoka Mori-Yoshimura, Hirofumi Komaki, Shigeaki Suzuki, Hitoshi Kohsaka, Ichizo Nishino, Yuji Takahashi
A 24-year-old woman visited our hospital with a complaint of walking disability. She had no family history of consanguineous marriage, and her developmental history was unremarkable, with good physical performance just before the onset. At the age of 13, she developed difficulty in walking and visited a pediatrician. Her serum CK level was 10,000 IU/l and she was diagnosed with muscular dystrophy by muscle biopsy. At the age of 16, she became wheelchair dependent and was admitted to our hospital. Physical examination revealed diffuse muscle atrophy and proximal weakness, with no calf hypertrophy or selectivity of muscle involvement...
October 27, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28961973/transhiatal-approach-to-filum-terminale-externum-sectioning-in-adult-patient-with-tethered-cord-syndrome-case-report
#13
Vanni Veronesi, Carlo Sacco, Cristina Mastronicola, Guido Staffa
BACKGROUND AND IMPORTANCE: An adult patient was referred to our department for tethered cord syndrome. A lumbar magnetic resonance imaging showed a conus medullaris at the S2 level and the caudal part of the dural sac at the S3 level. We present a minimally invasive spine surgery procedure at the hiatus level for the treatment of tethered cord syndrome by the surgical section of the filum terminale externum, which avoids bone demolition. CLINICAL PRESENTATION: A 65-yr-old Caucasian man was referred for dysesthesia and a burning sensation in his lower limbs, which was both spontaneous and triggered by contact with his clothes...
August 22, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28948038/a-novel-non-invasive-hip-traction-technique-for-hip-arthroscopy-in-the-below-knee-amputation-bka-patient
#14
Ran Atzmon, Zachary T Sharfman, Jacob E Valk, Jonathan Persitz, Eyal Amar, Ehud Rath
Prolonged sitting and mobilizing from a seated position are known to exacerbate the symptoms in patients with hip pathology. For patients who lack mobility and require extended periods of time in seated positions, such as amputees, the symptoms of femeroacetabular impingement can be debilitating and limit their ability to operate a wheelchair, use a prosthetic limb or complete activities of daily living. Hip arthroscopy surgery offers a minimally invasive technique to treat hip pathology but requires hip distraction to facilitate instrument maneuverability...
August 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28939461/perception-of-employment-by-the-veterans-participating-in-the-national-veterans-wheelchair-games-a-survey-study
#15
William Kim, Leah Lee, Daniel Lans, David Tostenrude, Kenneth Lee
BACKGROUND: Employment in those with disability is an important rehabilitation goal, along with achieving some measure of functional independence and is at the same time one of the most difficult goals to achieve. The number of people with disabilities participating in adaptive sports has been increasing steadily over the years. A few studies have looked at the relationship between physical fitness and employment status in those with disability, but there have been no studies that focused on the results of organized adaptive sports events affecting employment outcome...
September 20, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28936417/the-long-term-impact-of-wheelchair-delivery-on-the-lives-of-people-with-disabilities-in-three-countries-of-the-world
#16
Susan Shore
BACKGROUND: Lack of access to mobility for people with disabilities, particularly in less- resourced settings, continues to be widespread. Despite challenges to wheelchair delivery, the benefits to health, employment, social integration and life satisfaction are apparent. OBJECTIVES: Previous studies have explored the impact of receiving a wheelchair on the lives of the users through cross-sectional or short-term longitudinal analysis. The current study was undertaken to evaluate whether previously reported changes were sustained after 30 months of use, and whether results varied between two differing models of a wheelchair...
2017: African Journal of Disability
https://www.readbyqxmd.com/read/28936412/test-retest-reliability-and-construct-validity-of-the-aspects-of-wheelchair-mobility-test-as-a-measure-of-the-mobility-of-wheelchair-users
#17
Karen L Rispin, Kara Huff, Joy Wee
BACKGROUND: The Aspects of Wheelchair Mobility Test (AWMT) was developed for use in a repeated measures format to provide comparative effectiveness data on mobility facilitated by different wheelchair types. It has been used in preliminary studies to compare the mobility of wheelchairs designed for low-resource areas and is intended to be simple and flexible enough so as to be used in low-technology settings. However, to reliably compare the impact of different types of wheelchairs on the mobility of users, a measure must first be a reliable and valid measure of mobility...
2017: African Journal of Disability
https://www.readbyqxmd.com/read/28885652/vascularised-and-modified-lower-leg-rotationplasty-for-the-treatment-of-severe-infection-and-bone-loss-of-the-proximal-femur-a-case-report
#18
Sebastian Fischer, Christoph Hirche, Volkmar G Heppert, Paul A Grützner, Ulrich Kneser, Thomas Kremer
CASE DESCRIPTION: We report a reconstructive case in a paraplegic patient, who suffers from a severe proximal femur infection. Aiming at the preservation of the capacity to remain in a seated position to operate a wheelchair, lower leg rotationplasty was considered suitable for reconstruction. Due to severe infection and subclinical femoral artery stenosis, rotationplasty was supercharged by the inferior epigastric artery. Furthermore, extensor tendons of the foot were attached to the acetabulum to facilitate stability of the neo-hip joint...
September 19, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28873885/advantages-of-unstable-manual-wheelchair
#19
Ikuo Yoneda, Tsutomu Hashizume, Masayuki Booka, Hidehisa Oku, Shoichiro Fujisawa
In this study, many test runs were conducted using experimental manual wheelchair on various floor surface conditions. In the result, operability of manual wheelchair would be improved by shifting the position of drive wheels forward.
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28853616/low-cost-assistive-technology-to-support-educational-activities-for-adolescents-with-cerebral-palsy
#20
Alan Patricio da Silva, Acary Souza Bulle Oliveira, Italla Maria Pinheiro Bezerra, Thaiany Pedrozo Campos Antunes, Blanca Elena Guerrero Daboin, Rodrigo Daminello Raimundo, Vagner Rogério Dos Santos, Luiz Carlos de Abreu
INTRODUCTION: The concept of assistive technology covers several areas of action; one of them is communication with the elaboration of accessible solutions to overcome daily difficulties. It contributes to the resumption of functional abilities, expanding and facilitating inclusion and independent living. OBJECTIVE: To analyze the usability of a low cost prototype device to support educational activities of adolescents with cerebral palsy. METHODS: A descriptive observational study...
August 30, 2017: Disability and Rehabilitation. Assistive Technology
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