Document Detail


Low-intensity Resistance Exercise with Slow Movement and Tonic Force Generation Increases Muscle Size and Strength in Older Adults.
MedLine Citation:
PMID:  22832536     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
We investigated the effects of low-intensity resistance training on muscle size and strength in old men and women. Thirty five participants (59-76 years old) were randomly assigned into two groups and performed low-intensity (50% of one-repetition maximum) knee extension and flexion exercises with either slow movement and tonic force generation (LST; 3-s eccentric, 3-s concentric, and 1-s isometric actions with no rest between each repetition) or normal speed (LN; 1-s concentric and 1-s eccentric actions with 1-s rest between each repetition) twice a week for 12 weeks (2-week preparation and 10-week intervention). The LST significantly increased thigh muscle thickness as well as isometric knee extension and flexion strengths. The LN significantly improved the strength, but its hypertrophic effect was limited. These results indicate that even for older individuals, the LST can be an effective method for gaining muscle mass and strength.
Authors:
Yuya Watanabe; Michiya Tanimoto; Akane Ohgane; Kiyoshi Sanada; Motohiko Miyachi; Naokata Ishii
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-24
Journal Detail:
Title:  Journal of aging and physical activity     Volume:  -     ISSN:  1543-267X     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9415639     Medline TA:  J Aging Phys Act     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Life Sciences, University of Tokyo, Japan.
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