Grade I is stretching with the ligament or an exceedingly mild tear, with little if any instability with the joint. "If you view the AFL or perhaps the rugby and someone tears their ACL plus the commentator states they're going to be in for surgical procedure the next day to https://www.diigo.com/item/note/a7b2m/ju8y?k=84a9d77d416f9feca1c21aa12add441c