| Short-Term, Light- to Moderate-Intensity Exercise Training Improves Leg Muscle Strength in the Oldest Old: A Randomized Controlled Trial. | |
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MedLine Citation:
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PMID: 21453381 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVES: To assess the effects of an 8-week exercise training program with a special focus on light- to moderate-intensity resistance exercises (30-70% of one repetition maximum, 1RM) and a subsequent 4-week training cessation period (detraining) on muscle strength and functional capacity in participants aged 90 and older. DESIGN: Randomized controlled trial performed during March to September 2009. SETTING: Geriatric nursing home. PARTICIPANTS: Forty nonagenarians (90-97) were randomly assigned to an intervention or control group (16 women and 4 men per group). INTERVENTION: Eight-week muscle strength exercise intervention focused on lower limb strength exercises of light to moderate intensity. MEASUREMENTS: Primary outcome: 1RM leg press. Secondary outcomes: handgrip strength, 8-m walk test, 4-step stairs test, Timed Up and Go test, and number of falls. RESULTS: A significant group by time interaction effect (P=.02) was observed only for the 1RM leg press. In the intervention group, 1RM leg press increased significantly with training by 10.6 kg [95% confidence interval (CI)=4.1-17.1 kg; P=.01]. Except for the mean group number of falls, which were 1.2 falls fewer per participant in the intervention group (95% CI=0.0-3.0; P=.03), no significant training effect on the secondary outcome measures was found. CONCLUSION: Exercise training, even of short duration and light to moderate intensity, can increase muscle strength while decreasing fall risk in nonagenarians. |
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Authors:
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José A Serra-Rexach; Natalia Bustamante-Ara; Margarita Hierro Villarán; Pedro González Gil; Maria J Sanz Ibáñez; Nekane Blanco Sanz; Victor Ortega Santamaría; Natalia Gutiérrez Sanz; Ana B Marín Prada; Cristian Gallardo; Gabriel Rodríguez Romo; Jonatan R Ruiz; Alejandro Lucia |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-31 |
Journal Detail:
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Title: Journal of the American Geriatrics Society Volume: - ISSN: 1532-5415 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-4-1 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7503062 Medline TA: J Am Geriatr Soc Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2011, Copyright the Authors. Journal compilation © 2011, The American Geriatrics Society. |
Affiliation:
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From the *Geriatric Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain; †Universidad Europea de Madrid, Madrid, Spain; ‡Medical Department, Residencia Los Nogales-Pacífico, Madrid, Spain; §Sports Department, Instituto Nacional de Educación Física, Universidad Politécnica, Madrid, Spain; ∥Department of Biosciences and Nutrition, Novum, Unit for Preventive Nutrition, Karolinska Institutet, Huddinge, Sweden; and#Department of Physical Education, School of Physical Activity and Sport Sciences, University of Granada, Granada, Spain. |
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