Key result
The ACTN3 R577X polymorphism XX genotype was associated with significantly lower handgrip strength compared to the RR genotype in young Chinese male soldiers (P=0.021).
Why the study?
Does the ACTN3 R577X polymorphism associate with athletic performance phenotypes in young Chinese male soldiers?
Population
452 young Chinese male soldiers
Comparison
ACTN3 R577X polymorphism (XX genotype) vs ACTN3 R577X RR and RX genotypes
Design
Cross-sectional
Authors
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ACTN3 R577X may associate with performance in Chinese soldiers; leaves open replication in athletes and causal inference.
Cross-Sectional (n=452)
Does the ACTN3 R577X polymorphism associate with athletic performance phenotypes in young Chinese male soldiers?
p-value: p=0.021
The ACTN3 R577X polymorphism is significantly associated with grip strength in young Chinese male soldiers, with the XX genotype linked to lower strength compared to the RR genotype.
Shang et al. (2012) conducted a cross-sectional in Healthy (n=452). ACTN3 R577X polymorphism (XX genotype) vs. RR genotype was evaluated on handgrip strength (p=0.021). The ACTN3 R577X polymorphism XX genotype was associated with significantly lower handgrip strength compared to the RR genotype in young Chinese male soldiers (P=0.021).
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