1 Pain or tenderness of your jaw. 2  Pain in one or both of the temporomandibular joints. 3  Aching pain in and around your ear. 4  Difficulty chewing or pain while chewing. 5  Aching facial pain.  Locking of the joint, making it difficult to open or close your mouth.
For a broader usage of the name, see American football (disambiguation). American football, referred to as football in the United States and Canada, and also known as gridiron football or simply gridiron, is a sport played by two teams of eleven players on a rectangular field with goalposts at each end.
Football (Soccer) Fact Sheet. Facts on football injuries. Football is one of the most popular team-based sports in Australia and worldwide. Statistics from the Australian Sports Commissionâs 2006 survey showed an estimated 697,400 Australians aged 15 years and older played outdoor football in the 12-month period prior to being surveyed.