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Effect of creatine supplementation during resistance training on lean tissue mass and muscular strength in older adults: a meta-analysis

Overview of attention for article published in Open Access Journal of Sports Medicine, November 2017
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Title
Effect of creatine supplementation during resistance training on lean tissue mass and muscular strength in older adults: a meta-analysis
Published in
Open Access Journal of Sports Medicine, November 2017
DOI 10.2147/oajsm.s123529
Pubmed ID
Authors

Philip D Chilibeck, Mojtaba Kaviani, Darren G Candow, Gordon A Zello, Philip Chilibeck, Darren Candow

Abstract

The loss of muscle mass and strength with aging results in significant functional impairment. Creatine supplementation has been used in combination with resistance training as a strategy for increasing lean tissue mass and muscle strength in older adults, but results across studies are equivocal. We conducted a systematic review and meta-analysis of randomized controlled trials of creatine supplementation during resistance training in older adults with lean tissue mass, chest press strength, and leg press strength as outcomes by searching PubMed and SPORTDiscus databases. Twenty-two studies were included in our meta-analysis with 721 participants (both men and women; with a mean age of 57-70 years across studies) randomized to creatine supplementation or placebo during resistance training 2-3 days/week for 7-52 weeks. Creatine supplementation resulted in greater increases in lean tissue mass (mean difference =1.37 kg [95% CI =0.97-1.76]; p<0.00001), chest press strength (standardized mean difference [SMD] =0.35 [0.16-0.53]; p=0.0002), and leg press strength (SMD =0.24 [0.05-0.43]; p=0.01). A number of mechanisms exist by which creatine may increase lean tissue mass and muscular strength. These are included in a narrative review in the discussion section of this article. In summary, creatine supplementation increases lean tissue mass and upper and lower body muscular strength during resistance training of older adults, but potential mechanisms by which creatine exerts these positive effects have yet to be evaluated extensively.

Twitter Demographics

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Mendeley readers

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Geographical breakdown

Country Count As %
Unknown 90 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 17 19%
Student > Master 14 16%
Student > Ph. D. Student 11 12%
Researcher 11 12%
Unspecified 10 11%
Other 27 30%
Readers by discipline Count As %
Sports and Recreations 23 26%
Medicine and Dentistry 15 17%
Nursing and Health Professions 15 17%
Unspecified 14 16%
Agricultural and Biological Sciences 9 10%
Other 14 16%