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タイトル: | Association of walking speed with sagittal spinal alignment, muscle thickness, and echo intensity of lumbar back muscles in middle-aged and elderly women |
著者: | Masaki, Mitsuhiro Ikezoe, Tome https://orcid.org/0000-0001-8546-5912 (unconfirmed) Fukumoto, Yoshihiro Minami, Seigo Aoyama, Junichi Ibuki, Satoko Kimura, Misaka Ichihashi, Noriaki https://orcid.org/0000-0003-2508-2172 (unconfirmed) |
著者名の別形: | 正木, 光裕 池添, 冬芽 伊吹, 哲子 市橋, 則明 |
キーワード: | Aged Middle-aged Walking speed Paraspinal muscles Ultrasonography Posture |
発行日: | Jun-2016 |
出版者: | Springer Nature |
誌名: | Aging clinical and experimental research |
巻: | 28 |
号: | 3 |
開始ページ: | 429 |
終了ページ: | 434 |
抄録: | Background: Age-related change of spinal alignment in the standing position is known to be associated with decreases in walking speed, and alteration in muscle quantity (i.e., muscle mass) and muscle quality (i.e., increases in the amount of intramuscular non-contractile tissue) of lumbar back muscles. Additionally, the lumbar lordosis angle in the standing position is associated with walking speed, independent of lower-extremity muscle strength, in elderly individuals. However, it is unclear whether spinal alignment in the standing position is associated with walking speed in the elderly, independent of trunk muscle quantity and quality. The present study investigated the association of usual and maximum walking speed with age, sagittal spinal alignment in the standing position, muscle quantity measured as thickness, and quality measured as echo intensity of lumbar muscles in 35 middle-aged and elderly women. Methods: Sagittal spinal alignment in the standing position (thoracic kyphosis, lumbar lordosis, and sacral anterior inclination angle) using a spinal mouse, and muscle thickness and echo intensity of the lumbar muscles (erector spinae, psoas major, and lumbar multifidus) using an ultrasound imaging device were also measured. Results: Stepwise regression analysis showed that only age was a significant determinant of usual walking speed. The thickness of the lumbar erector spinae muscle was a significant, independent determinant of maximal walking speed. Conclusions: The results of this study suggest that a decrease in maximal walking speed is associated with the decrease in lumbar erector spinae muscles thickness rather than spinal alignment in the standing position in middle-aged and elderly women. |
著作権等: | This is a post-peer-review, pre-copyedit version of an article published in Aging Clinical and Experimental Research. The final authenticated version is available online at: http://dx.doi.org/10.1007/s40520-015-0442-0. The full-text file will be made open to the public on 01 June 2017 in accordance with publisher's 'Terms and Conditions for Self-Archiving'. This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 |
URI: | http://hdl.handle.net/2433/231300 |
DOI(出版社版): | 10.1007/s40520-015-0442-0 |
PubMed ID: | 26319656 |
出現コレクション: | 学術雑誌掲載論文等 |
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