Stabilizing effects of ankle bracing under a combination of inversion and axial compression loading

Tohyama, Harukazu; Yasuda, Kazunori; Beynnon, Bruce D.; Renstrom, Per A.

Stabilizing effects of ankle bracing under a combination of inversion and axial compression loading

Tohyama, Harukazu; Yasuda, Kazunori; Beynnon, Bruce D. et al.

Knee Surgery, Sports Traumatology, Arthroscopy, 2006, 14(4), 373-378

Permalink : https://hdl.handle.net/2115/8435

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アクセス権	open access
URI	https://hdl.handle.net/2115/8435
タイトル	Stabilizing effects of ankle bracing under a combination of inversion and axial compression loading
著者	Tohyama, Harukazu ; Yasuda, Kazunori ; Beynnon, Bruce D. ; Renstrom, Per A.
e-Rad_Researcher 60301884 著者名 Tohyama, Harukazu 遠山, 晴一
e-Rad_Researcher 20166507 著者名 Yasuda, Kazunori
著者名 Beynnon, Bruce D.
著者名 Renstrom, Per A.
言語	英語
キーワード	Ankle
	Biomechanics
	Brace
	Inversion injury
	Sprain
発行日	2006-04
出版者	Springer
収録物名	Knee Surgery, Sports Traumatology, Arthroscopy
巻(号)	14(4)
ページ	373-378
抄録	The combined effects of bracing, axial compression and inversion rotation on the ankle-subtalar complexes were evaluated. Ex vivo tests under the load-controlled condition were performed on six cadaver ankle specimens using a six degree-of-freedom fixture. Inversion rotation was measured while subjecting the ankle-subtalar complex to a 2.5 N-m inversion moment and a combination of the testing variables (brace type, no brace, 178 N axial compression load, no compression load, 0° and 20° of plantar flexion) for a total of 16 tests per specimen. Three commercially available braces (two semirigid types and one lace up type) were evaluated. An axial compression load significantly decreased ankle-subtalar motion in unbraced ankles for the tested inversion moment. The contribution of bracing to stabilization of the ankle was smaller in the axial loading condition than in the no axial loading condition. The semirigid braces had greater stabilizing effects in response to the inversion moment than the lace up brace. Stabilizing effects of bracing were significantly greater in 20° of plantar flexion than in 0° of plantar flexion. The most common mechanism for an ankle sprain injury is inversion rotation on a weight-bearing ankle. Therefore, we should not overestimate stabilizing effects of bracing from evaluations of bracing without axial compression loading.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	The original publication is available at www.springerlink.com
PISSN	0942-2056
EISSN	1433-7347
関連情報	PMID 15959767
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1007/s00167-005-0652-7