The onset of deep abdominal muscles activity during tasks with different trunk rotational torques in subjects with non-specific chronic low back pain.

Osuka, Satoshi; Koshino, Yuta; Yamanaka, Masanori; Miura, Takuya; Saito, Yuki; Ueno, Ryo; Ishida, Tomoya; Samukawa, Mina; Tohyama, Harukazu

The onset of deep abdominal muscles activity during tasks with different trunk rotational torques in subjects with non-specific chronic low back pain.

Osuka, Satoshi; Koshino, Yuta; Yamanaka, Masanori et al.

Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association, 2019, 24(5), 770-775

Permalink : https://hdl.handle.net/2115/76698

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アクセス権	open access
URI	https://hdl.handle.net/2115/76698
タイトル	The onset of deep abdominal muscles activity during tasks with different trunk rotational torques in subjects with non-specific chronic low back pain.
著者	Osuka, Satoshi ; Koshino, Yuta ; Yamanaka, Masanori ; Miura, Takuya ; Saito, Yuki ; Ueno, Ryo ; Ishida, Tomoya ; Samukawa, Mina ; Tohyama, Harukazu
著者名 Osuka, Satoshi
e-Rad_Researcher 90748120 著者名 Koshino, Yuta
e-Rad_Researcher 40166757 著者名 Yamanaka, Masanori
著者名 Miura, Takuya
著者名 Saito, Yuki
著者名 Ueno, Ryo
e-Rad_Researcher 30759642 著者名 Ishida, Tomoya
e-Rad_Researcher 40360953 著者名 Samukawa, Mina
e-Rad_Researcher 60301884 著者名 Tohyama, Harukazu
言語	英語
発行日	2019-09
出版者	Elsevier
収録物名	Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association
巻(号)	24(5)
ページ	770-775
抄録	Background: Although delayed onset of the deep abdominal muscles activity in subjects with non-specific chronic low back pain (CLBP) has been suggested to be related to trunk rotational torque, no study has examined the onsets associated with non-specific CLBP during a variety of tasks with different trunk rotational torque. The aim of this study is to compare the onsets of deep abdominal muscles activity among tasks with different trunk rotational torques in subjects with and without non-specific CLBP. Methods: Twelve subjects with non-specific CLBP and 13 control subjects were included. They performed 8 types of upper limb movements. The onsets of muscular activity of bilateral internal oblique-transversus abdominis (IO-TrA) and trunk rotational torque due to the upper limb movements were measured using a surface electromyography and a three-dimensional motion analysis system. Results: In non-specific CLBP group, right IO-TrA activities were significantly delayed during tasks with left trunk rotational torque compared with the control (P < 0.05), while onsets of the left IO-TrA activities were significantly later than those of the control during tasks with right rotational torque of the trunk (P < 0.05). There were no significant differences in onsets of both sides IO-TrA during tasks without trunk rotational torque between non-specific CLBP and control groups (P > 0.05). Conclusions: The onsets of IO-TrA activities in subjects with non-specific CLBP were delayed during tasks with rotational torque of the trunk in the opposite direction, suggesting a possibility that delayed onset of the deep abdominal muscles during rotational torque of the trunk might be etiology of chronic low back pain.
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	© 2019. 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	1436-2023
関連情報	PMID 30711377
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.jos.2018.12.028