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Physical function predicts improvement in quality of life in elderly icelanders after 12 weeks of resistance exercise.
MedLine Citation:
PMID:  22238003     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Background: Little is known about the effects of resistance training on health related quality of life (HRQL) in the elderly. Aim: The main purpose of the study was to investigate the effects of resistance training on strength, body composition, functional capacity and HRQL in independent living elderly people. We hypothesised that resistance training would improve lean mass, muscle strength, physical function and HRQL. Methods: Subjects (N = 237, 73.7±5.7yrs, 58.2% female) participated in a 12-week resistance exercise program (3 times/week; 3 sets, 6-8 repetitions at 75-80% of the 1-repetition maximum) designed to increase strength and muscle mass of major muscle groups. Body composition, quadriceps- and grip strength, timed up and go test (TUG), six minute walk for distance (6MW) and HRQL were measured at baseline and endpoint. Results: Two hundred-and-four participants completed the study. Although the increase in lean mass was small (+0.8 kg, P<0.01), quadriceps strength (+53.5N), grip strength (+3.0lb), TUG (-0.6sec), 6MW (+33.6m) and HRQL (+1.2 t-score) improved significantly (all P<0.01). Changes in 6MW predicted improvement in HRQL after 12 weeks. Conclusions: Our study shows that a 12-week resistance exercise program significantly improves lean mass, muscle strength, physical function and HRQL in elderly individuals, and that improvements in physical function predict improvements in HRQL. Our study indicates that resistance training should be promoted for the elderly as it has the potential to improve physical performance, thereby prolonging healthy, independent aging.
Authors:
O G Geirsdottir; A Arnarson; K Briem; A Ramel; K Tomasson; P V Jonsson; I Thorsdottir
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The journal of nutrition, health & aging     Volume:  16     ISSN:  1760-4788     ISO Abbreviation:  J Nutr Health Aging     Publication Date:  2012  
Date Detail:
Created Date:  2012-01-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100893366     Medline TA:  J Nutr Health Aging     Country:  France    
Other Details:
Languages:  eng     Pagination:  62-6     Citation Subset:  IM    
Affiliation:
O.G. Geirsdottir, Unit for Nutrition Research, Eiriksgata 29, The National University Hospital of Iceland, IS-101 Reykjavik, Iceland, Telephone: +354 543 8411, Fax: +354 543 4824, E-mail: olofgg@landspitali.is.
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