As with other complex traits, athletic performance is determined by both genetic and environmental factors. The athletic ability is influenced by muscle strength and the type of muscle fibers that comprise the skeletal muscles. Genetic factors govern 30 to 80 percent of the variations among individuals when it comes to athletic performance. Genes like ACTN3 and ACE determine the fiber type which constitutes the muscles.

How does genetic testing in a research setting differ from clinical genetic testing?
Genetic testing in a research setting is done