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.

What are the drawbacks facing precision medicine and the Precision Medicine Initiative?
Precision medicine is a newly emerging field and