{"title":"社区居住老年人腿部骨骼肌质量不对称指数与定时起跑测试的关系。","authors":"Taishiro Kamasaki, Mizuki Hachiya, Hiroyuki Okawa, Kazuhiko Fujiwara, Kodai Hosaka, Takuya Suenaga, Yo Kichize, Satoshi Fujimura, Shotaro Ide, Yasuhiro Mizokami, Minoru Kamata, Hiroshi Otao","doi":"10.1123/japa.2024-0415","DOIUrl":null,"url":null,"abstract":"<p><strong>Objectives: </strong>Given that body composition assessment is becoming more common, demonstrating the significance of assessing muscle mass asymmetry, which has not been a focus in the past, would be important. This study examined the association between the leg skeletal muscle mass asymmetry index (LSMAI) and the timed up-and-go (TUG) test to assesses dynamic postural control capabilities, in community-dwelling older adults.</p><p><strong>Methods: </strong>This study is a cross-sectional study. The study had 122 (75 ± 6 years, 74% female) participants who fulfilled the required sample size. A generalized linear model was used to examine the association between the TUG and the LSMAI.</p><p><strong>Results: </strong>An association was found between the TUG and LSMAI (standard regression coefficient, 0.21, p = .022). As with the crude model, a significant association was found between TUG and LSMAI in the adjusted model (standardized coefficient = 0.31, p = .009).</p><p><strong>Conclusions: </strong>Assessing LSMAI in older adults is crucial. Moreover, this finding indicates the need to consider LSMAI in maintaining the dynamic posture control capabilities of older adults.</p><p><strong>Implications: </strong>The new finding that LSMAI in older adults is associated with TUG emphasizes the need for assessment and intervention of LSMAI. This suggests that the approach to LSMAI may contribute to maintaining and improving dynamic posture control ability.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-6"},"PeriodicalIF":1.5000,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Association Between Leg Skeletal Muscle Mass Asymmetry Index and the Timed Up-and-Go Test in Community-Dwelling Older Adults.\",\"authors\":\"Taishiro Kamasaki, Mizuki Hachiya, Hiroyuki Okawa, Kazuhiko Fujiwara, Kodai Hosaka, Takuya Suenaga, Yo Kichize, Satoshi Fujimura, Shotaro Ide, Yasuhiro Mizokami, Minoru Kamata, Hiroshi Otao\",\"doi\":\"10.1123/japa.2024-0415\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Objectives: </strong>Given that body composition assessment is becoming more common, demonstrating the significance of assessing muscle mass asymmetry, which has not been a focus in the past, would be important. This study examined the association between the leg skeletal muscle mass asymmetry index (LSMAI) and the timed up-and-go (TUG) test to assesses dynamic postural control capabilities, in community-dwelling older adults.</p><p><strong>Methods: </strong>This study is a cross-sectional study. The study had 122 (75 ± 6 years, 74% female) participants who fulfilled the required sample size. A generalized linear model was used to examine the association between the TUG and the LSMAI.</p><p><strong>Results: </strong>An association was found between the TUG and LSMAI (standard regression coefficient, 0.21, p = .022). As with the crude model, a significant association was found between TUG and LSMAI in the adjusted model (standardized coefficient = 0.31, p = .009).</p><p><strong>Conclusions: </strong>Assessing LSMAI in older adults is crucial. Moreover, this finding indicates the need to consider LSMAI in maintaining the dynamic posture control capabilities of older adults.</p><p><strong>Implications: </strong>The new finding that LSMAI in older adults is associated with TUG emphasizes the need for assessment and intervention of LSMAI. This suggests that the approach to LSMAI may contribute to maintaining and improving dynamic posture control ability.</p>\",\"PeriodicalId\":51073,\"journal\":{\"name\":\"Journal of Aging and Physical Activity\",\"volume\":\" \",\"pages\":\"1-6\"},\"PeriodicalIF\":1.5000,\"publicationDate\":\"2025-09-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Aging and Physical Activity\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.1123/japa.2024-0415\",\"RegionNum\":4,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"GERIATRICS & GERONTOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Aging and Physical Activity","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1123/japa.2024-0415","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"GERIATRICS & GERONTOLOGY","Score":null,"Total":0}
Association Between Leg Skeletal Muscle Mass Asymmetry Index and the Timed Up-and-Go Test in Community-Dwelling Older Adults.
Objectives: Given that body composition assessment is becoming more common, demonstrating the significance of assessing muscle mass asymmetry, which has not been a focus in the past, would be important. This study examined the association between the leg skeletal muscle mass asymmetry index (LSMAI) and the timed up-and-go (TUG) test to assesses dynamic postural control capabilities, in community-dwelling older adults.
Methods: This study is a cross-sectional study. The study had 122 (75 ± 6 years, 74% female) participants who fulfilled the required sample size. A generalized linear model was used to examine the association between the TUG and the LSMAI.
Results: An association was found between the TUG and LSMAI (standard regression coefficient, 0.21, p = .022). As with the crude model, a significant association was found between TUG and LSMAI in the adjusted model (standardized coefficient = 0.31, p = .009).
Conclusions: Assessing LSMAI in older adults is crucial. Moreover, this finding indicates the need to consider LSMAI in maintaining the dynamic posture control capabilities of older adults.
Implications: The new finding that LSMAI in older adults is associated with TUG emphasizes the need for assessment and intervention of LSMAI. This suggests that the approach to LSMAI may contribute to maintaining and improving dynamic posture control ability.
期刊介绍：
The Journal of Aging and Physical Activity (JAPA) is a multidisciplinary journal that publishes peer-reviewed original research reports, scholarly reviews, and professional-application articles on the relationship between physical activity and the aging process. The journal encourages the submission of articles that can contribute to an understanding of (a) the impact of physical activity on physiological, psychological, and social aspects of older adults and (b) the effect of advancing age or the aging process on physical activity among older adults.
In addition to publishing research reports and reviews, JAPA publishes articles that examine the development, implementation, and evaluation of physical activity programs among older adults. Articles from the biological, behavioral, and social sciences, as well as from fields such as medicine, clinical psychology, physical and recreational therapy, health, physical education, and recreation, are appropriate for the journal. Studies using animal models do not fit within our mission statement and should be submitted elsewhere.
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