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||Michael, S. M., Porter, D., & Pountney, T. E. (2007). Tilted seat position for non-ambulant individuals with neurological and neuromuscular impairment: A systematic review. Clinical Rehabilitation, 21(12), 1063-1074. doi: 10.1177/0269215507082338
||tilt wheelchairs, seat position, systematic review
||Background: Tilt-in-space wheelchairs are being used more often by people with neurological or neuromuscular impairments. Claims regarding the benefits and the concerns related to these tilt-in-space wheelchairs have yet to be substantiated by evidence.
Objective: To conduct a systematic review of research on the effects of seat orientation on physiology; body parts and systems; and on activity for people with neurological or neuromuscular impairments who cannot walk.
Search Strategy: Studies were identified by conducting a search of electronic databases (MEDLINE, EMBASE, CINAHL, AMED) to 2006. The following keywords were used: wheelchair, wheelchairs, seat, seating, tilt, and tip. Reference lists were also utilized, and a search for unpublished studies was conducted via contact with experts in the field.
Selection Criteria: The following selection criteria were used: (1) interventional studies that investigated the effects of seat tilt on outcome or (2) observational studies that identified outcomes for those who had used tilt-in-space seating in populations with neurological or neuromuscular impairments.
Data Collection and Analysis: Two reviewers independently assessed studies. Methodological strength of the studies was evaluated using a hierarchy of study designs from the NHS Centre for Reviews and Dissemination.
Main Results: Nineteen studies were included in this review. All of the studies were on populations with neurological impairment. The authors summarize and describe findings on the effects of tilt seating.
Conclusions: Results support a posterior seat tilt of 20º or more in reducing pressures under the pelvis. However, overall there is insufficient evidence to guide the use of tilted position in seating for this population.
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|Link to Full Text:||http://cre.sagepub.com/content/21/12/1063.abstract?rss=1|