What causes testicular torsion? how do i prevent tesicular torsion from happening?

Testicular torsion: Torsion of the testis refers to a twisting of the testis and spermatic cord resulting in a choking of the blood vessels to and from the testis. It is a true emergency as the testis can essentially die if not corrected within a few hours. The condition requires a congenital abnormality of the mesentary suspending the testis in the scrotum. As a result there is not much you can do to prevent.