Obese very old women have low relative handgrip strength, poor physical function, and difficulties in daily living

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• 作者：Huan-Ji Dong ; J. Marcusson ; E. Wressle…
• 关键词：Handgrip strength ; body composition ; physical function ; instrumental activities of daily living ; very old adults
• 刊名：The journal of nutrition, health & aging
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：19
• 期：1
• 页码：20-25
• 全文大小：295 KB
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• 作者单位：Huan-Ji Dong (1)
  J. Marcusson (1) (2)
  E. Wressle (1) (2)
  M. Unosson (3)
  
  1. Division of Geriatrics, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Link?ping University, SE-581 85, Link?ping, Sweden
  2. Department of Geriatric Medicine, County Council of ?sterg?tland, Link?ping, Sweden
  3. Department of Social and Welfare Studies, Faculty of Health Sciences, Link?ping University, Norrk?ping, Sweden
  
• 刊物主题：Geriatrics/Gerontology; Nutrition; Aging; Neurosciences; Primary Care Medicine; Quality of Life Research;
• 出版者：Springer Paris
• ISSN：1760-4788

文摘

Objectives To investigate whether anthropometric and body composition variables and handgrip strength (HS) were associated with physical function and independent daily living in 88-year-old Swedish women. Participants A cross-sectional analysis of 83 community-dwelling women aged 88 years who were of normal weight (n=30), overweight (n=29), and obese (n=24) was performed. Measurements Body weight (Wt), height, waist circumference (WC), and arm circumference were assessed using an electronic scale and a measuring tape. Tricep skinfold thickness was measured using a skinfold calliper. Fat mass (FM) and fat-free mass (FFM) were measured using bioelectrical impedance analysis, and HS was recorded with an electronic grip force instrument. Linear regression was used to determine the contributions of parameters as a single predictor or as a ratio of HS to physical function (Short Form-36, SF-36PF) and instrumental activities of daily living (IADL). Results Obese women had greater absolute FM and FFM and lower HS corrected for FFM and HS-based ratios (i.e., HS/Wt, HS/body mass index [BMI]) than their normal weight and overweight counterparts. After adjusting for physical activity levels and the number of chronic diseases, HS-based ratios explained more variance in SF-36PF scoring (R2, 0.52-.54) than single anthropometric and body composition variables (R2, 0.45-.51). WC, HS, and HS-based ratios (HS/Wt and HS/FFM) were also associated with independence in IADL. Conclusion Obese very old women have a high WC but their HS is relatively low in relation to their Wt and FFM. These parameters are better than BMI for predicting physical function and independent daily living.