The effect of a newly developed wheelchair with thoracic and pelvic support on cervical movement and muscle activity in healthy elderly women

Sawada, N.; Hatta, T.; Kishigami, H.; Shimizu, M.; Yoda, T.; Goda, H.

The effect of a newly developed wheelchair with thoracic and pelvic support on cervical movement and muscle activity in healthy elderly women

Sawada, N.; Hatta, T.; Kishigami, H. et al.

European geriatric medicine, 2015, 6(3), 286-290

Permalink : https://hdl.handle.net/2115/62306

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アクセス権	open access
URI	https://hdl.handle.net/2115/62306
タイトル	The effect of a newly developed wheelchair with thoracic and pelvic support on cervical movement and muscle activity in healthy elderly women
著者	Sawada, N. ; Hatta, T. ; Kishigami, H. ; Shimizu, M. ; Yoda, T. ; Goda, H.
著者名 Sawada, N.
e-Rad_Researcher 50189560 著者名 Hatta, T.
著者名 Kishigami, H.
e-Rad_Researcher 90431337 著者名 Shimizu, M.
著者名 Yoda, T.
著者名 Goda, H.
言語	英語
キーワード	Wheelchair
	Aged
	Forward head posture
	Head-neck alignment
	Cervical muscle
	Electromyography
発行日	2015-06
出版者	Elsevier
収録物名	European geriatric medicine
巻(号)	6(3)
ページ	286-290
抄録	Background: As the population ages, the number of elderly individuals using a wheelchair is increasing. A standard wheelchair with a vertical backrest (S-WC) pushes on a kyphotic spine and exacerbates forward head posture. Forward head posture limits cervical movement. We used a new wheelchair (N-WC) that does not exacerbate thoracic kyphosis. The N-WC does not have a flat backrest, but has a support belt for the thorax and pelvis. The purpose of this study was to compare head-neck angle, cervical range of motion, and cervical muscle activity in the N-WC and the S-WC in healthy elderly women. Methods: We measured head-neck alignment, trunk tilt angle, cervical muscle activity, and pressure distribution on the backrest. Data from 17 subjects were analyzed. Results: Head-neck angle was close to neutral in the N-WC. The trunk was tilted further back and the area over which pressure was distributed on the backrest was expanded in the N-WC. Cervical range of motion and cervical muscle activity during neck extension were significantly greater in the N-WC than in the S-WC, but during neck flexion, there was no significant difference between the wheelchairs. Conclusion: In the N-WC, head-neck alignment was close to the neutral posture because the wheelchair support belt accommodated kyphosis and did not push the spine forward, so cervical muscle activity may be reduced when at rest. These results suggest that the N-WC prevented forward head posture and improved cervical movement and muscle activity. (C) 2014 Elsevier Masson SAS and European Union Geriatric Medicine Society. All rights reserved.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
権利情報	©2015. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
PISSN	1878-7649
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.eurger.2014.11.001