I doubt there are any credible, peer-reviewed with enough of a sample size for fastpitch.
Sure you see many articles from surgical centers and physical therapists but that's akin to taking your car to an auto mechanic and asking if anything is wrong. Sure there is...
Most of the papers that do exist suggest "that further study is needed".
Participation rates in fastpitch softball are continually on the rise, especially in youth. With the increased participation also comes the increased injury susceptibility. Unfortunately, the common misconception about the dynamic 360° windmill softball pitch, that it is a natural motion and...
Everyone knows there is no such thing in softball. Especially the windmill pitch, which can be executed hundreds of times a day with zero chance of injury.