Graduate research and education uses both basic and applied science to study diseases and causes of decreased performance in equine athletes. (vet.purdue.edu)
It most certainly isn't life - threatening, but it significantly decreases your performance and increases your risk of injury. (fitnessandpower.com)
They don't have to compete and adding muscle won't decrease performance as long as you are still practicing the skill in the process. (theathleticbuild.com)