In the running with ACTN3

Melburnian [creativecommons license] via Wikimedia Commons

Researchers in Australia recently reported a polymorphism in ACTN3, encoding α-actinin-3, associated with sprint versus endurance performance among elite athletes. The report raises the idea that genetic differences, such as that in ACTN3, could be useful predictors of athletic performance at the elite level, although such potential has not been established.

Nat. Genet. 35, 123 (2003).
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