Distinct tilting behaviours with power tilt-in-space systems

Sonenblum, Sharon Eve; Sprigle, Stephen

doi:10.3109/17483107.2011.580900

Cited by 31 publications

(43 citation statements)

References 14 publications

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“…Despite the limited PRs, WSs were performed closer to twice per hour for many subject days. This behavioral characteristic is very consistent with the reported activities of participants using their powered wheelchairs' tilt-in-space feature, whereby small tilts were performed two to three times per hour, but large tilts were rarely performed [30,32]. In previous work, we demonstrated that intermediate leans, which reduced pressure between 29 and 46 percent, resulted in increased blood flow on the order of 100 to 300 percent [17].…”

Section: Ws Frequencysupporting

confidence: 72%

“…As expected, larger movements are typically done with a lower frequency than smaller movements. At this time, studies of the sitting behavior of wheelchair users have been limited to measurement of occupancy [29][30][31][32][33] or complete off-loadings [33][34][35] and a single pilot study that considered smaller movements but was never expanded to a full study [36].…”

Section: Introductionmentioning

confidence: 99%

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Everyday sitting behavior of full-time wheelchair users

Sonenblum

Sprigle

Martin³

2016

J Rehabil Res Dev

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Abstract-The objective of this study was to describe the inseat 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) 0.4 +/ 0.5 times per hour they were seated in the chair, but they performed weight shifts (WSs) (30%-90% off-loading of at least one side of the buttocks for 15 s) with a frequency of 2.4 +/ 2.2 times per hour. Despite the higher frequency of WSs, they were not performed in a routine manner. Half of the days studied included one segment of upright sitting lasting at least 2 h without a WS. Given these observations, we conclude that seating evaluations should emphasize positioning individuals in a way that facilitates reaching, leaning, and transferring in a safe manner, not only to improve function but also to affect buttocks loading.

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Section: Ws Frequencysupporting

confidence: 72%

Section: Introductionmentioning

confidence: 99%

Everyday sitting behavior of full-time wheelchair users

Sonenblum

Sprigle

Martin³

2016

J Rehabil Res Dev

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“…Sonenblum et al [18] conducted a longitudinal monitoring study in which only 1 out of 16 wheelchair users tilted beyond 30° at least once daily. Their follow-up study [20] found that the participants tilted beyond 30° less than once per day on average. Yet, when asked to identify, verbally describe, and physically demonstrate various pressure-relieving maneuvers, roughly three-quarters of the participants succeeded.…”

Section: Clinical Applicationsmentioning

confidence: 99%

“…However, as the number of monitored wheelchair users grows larger, this data collection and retrieval routine may become more and more unmanageable due to the increased overhead in manpower and time. Furthermore, as with all observational studies, there are concerns of observer-expectancy bias in which participants may alter their natural behaviors because they are being recorded [20,21]. Thus, reducing how often the participants are reminded of the monitoring process (e. g. , reducing the frequency of data retrieval) may also help in the effort to understand true behaviors in daily life.…”

Section: Introductionmentioning

confidence: 99%

Development of a Scalable Monitoring System for Wheelchair Tilt-in-Space Usage

Hutchinso¹

2013

nt J Phys Med Rehabil

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“…As TIS has become more available on EPIOCs (and less expensive), it may be prescribed more frequently, offering greater comfort 13 , improved pressure relief 36 and relieving fatigue in conditions like MS.…”

Section: Equipmentmentioning

confidence: 99%

Recipients of Electric-Powered Indoor/Outdoor Wheelchairs Provided by a National Health Service: A Cross-Sectional Study

Frank¹,

Souza²

2013

Archives of Physical Medicine and Rehabilitation

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Initially presented as an abstract to the 4 th International Interdisciplinary Conference on Posture and Mobility, June 7-9 2010, Glasgow, UK.We did not receive any funding for this study Acknowledgements: Mike Pugh for technical assistance with identifying those with tilt-inspace wheelchairs and commenting on engineering aspects of this paper.We certify that no party having a direct interest in the results of the research supporting this article has or will confer a benefit on us or on any organization with which we are associated and we certify that all financial and material support for this research and work are clearly identified in the title page. The benefits of powered mobility (PM) for people with severe disabilities are now better understood. By using powered wheelchairs, individuals can experience greater participation in activities such as education 1-4 or work [1][2][3]5 , and a range of social activities such as shopping 1-3;6;7;7;8 , church going 1;2;6;9 , socialising with family and friends 1;2;6;9;10 and accessing healthcare facilities 2;6;9;11. In addition, the increased mobility provided by PM enhances quality of life and wellbeing 5;10;12 . Benefits to carers have also been reported 2;5;9;11 . However, it has been noted that there are problems associated with powered mobility (PM There is a need to capture data from greater numbers representative of the population of wheelchair users 17 . Whilst such populations have been described 18 , the diagnoses, age and gender of a large and specific population of powered wheelchair users is lacking. Objectively verified data are needed for these factors as declarative data gathered through self-report Potential users were referred from locally based NHS wheelchair services. Clinic records including assessment and wheelchair equipment of those provided with an EPIOC, and still using it, were reviewed in June 2007 and data were extracted. Average time from the initial assessment in clinic to the case note review was 72.4 (range 0-1166, sd 73.2) months.The data relevant to this study had been recorded by health professionals following a physical examination and assessment and consisted of:- Demographic data• age at initial assessment• gender Medical factors• Major diagnosis contributing to the need for a wheelchair as described previously 2 but with the addition of a category for inherited metabolic conditions.• Ventilator issues• Problematic pain -that needed intervention(s).• (Kypho)scoliosis Users with multiple sclerosis (MS), cerebral palsy (CP), muscular dystrophy (MD), cerebrovascular disease (CVD), other neurological conditions, spina bifida (SB), spinal cord injury (SCI) and polio were grouped together as having neurological or neuromuscular conditions (NNCs). Wheelchair factorsPowered wheelchair provision in the UK 8• Specialised seating (SS) -that which is needed by people who require a wheelchair but due to instability or deformity need additional support in order to function 21 , (similar to that of adaptive seating 22 )• Tilt-in-space (TIS)• ...

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Distinct tilting behaviours with power tilt-in-space systems

Cited by 31 publications

References 14 publications

Everyday sitting behavior of full-time wheelchair users

Everyday sitting behavior of full-time wheelchair users

Development of a Scalable Monitoring System for Wheelchair Tilt-in-Space Usage

Recipients of Electric-Powered Indoor/Outdoor Wheelchairs Provided by a National Health Service: A Cross-Sectional Study

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