Why the study?
Is there an association between ACTN3 R577X polymorphism and muscle power phenotypes in young, non-athletic adults?
Population
284 non-athletic, healthy young adults (217 male), mean age 21 (SD 2) years.
Comparison
ACTN3 R577X polymorphism vs Different ACTN3 R577X genotypes
Design
Cross-sectional
Authors
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No ACTN3 genotyping indicated for power assessment in young non-athletes; leaves open its role in elite or other cohorts.
Is there an association between ACTN3 R577X polymorphism and muscle power phenotypes in young, non-athletic adults?
The ACTN3 R577X polymorphism does not appear to influence explosive leg muscle power in young, non-athletic adults.
Santiago et al. (2009) studied this question.
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