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https://hdl.handle.net/20.500.14094/90004220
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2024-04-26
14:46 集計
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90004220 (fulltext)
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90004220
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open access
出版タイプ
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タイトル
The effects of low-repetition and light-load power training on bone mineral density in postmenopausal women with sarcopenia: a pilot study
著者
Hamaguchi, Kanako ; Kurihara, Toshiyuki ; Fujimoto, Masahiro ; Iemitsu, Motoyuki ; Sato, Koji ; Hamaoka, Takafumi ; Sanada, Kiyoshi
著者名
Hamaguchi, Kanako
著者名
Kurihara, Toshiyuki
著者名
Fujimoto, Masahiro
著者名
Iemitsu, Motoyuki
著者ID
A0584
研究者ID
1000020584022
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=b09e77be63b04dce520e17560c007669
著者名
Sato, Koji
佐藤, 幸治
サトウ, コウジ
所属機関名
人間発達環境学研究科
著者名
Hamaoka, Takafumi
著者名
Sanada, Kiyoshi
収録物名
BMC Geriatrics
巻(号)
17
ページ
102-102
出版者
BioMed Central
刊行日
2017-05-02
公開日
2017-10-10
抄録
Background: Age-related reduction in bone mineral density (BMD) is generally accelerated in women after menopause, and could be even more pronounced in individuals with sarcopenia. Light-load power training with a low number of repetitions would increase BMD, significantly reducing bone loss in individuals at risk of osteoporosis. This study investigated the effects of low-repetition, light-load power training on BMD in Japanese postmenopausal women with sarcopenia. Methods: The training group (n = 7) followed a progressive power training protocol that increased the load with a weighted vest, for two sessions per week, over the course of 6 weeks. The training exercise comprised five kinds of exercises (squats, front lunges, side lunges, calf raises, and toe raises), and each exercise contained eight sets of three repetitions with a 15-s rest between each set. The control group (n = 8) did not undergo any training intervention. We measured BMD, muscle strength, and anthropometric data. Results: Within-group changes in pelvis BMD and knee extensor strength were significantly greater in the training group than the control group (p = 0.029 and 0.030 for pelvis BMD and knee extensor strength, respectively). After low-repetition, light-load power training, we noted improvements in pelvis BMD (1.6%) and knee extensor strength (15.5%). No significant within-or between-group differences were observed for anthropometric data or forearm BMD. Conclusions: Six weeks of low-repetition, light-load power training improved pelvis BMD and knee extensor strength in postmenopausal women with sarcopenia. Since this training program does not require high-load exercise and is therefore easily implementable as daily exercise, it could be an effective form of exercise for sedentary adults at risk for osteoporosis who are fearful of heavy loads and/or training that could cause fatigue.
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人間発達環境学研究科
学術雑誌論文
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© The Author(s). 2017
This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
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資源タイプ
journal article
言語
English (英語)
eISSN
1471-2318
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関連情報
DOI
https://doi.org/10.1186/s12877-017-0490-8
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