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.
The origins of football is hotly debated, from Mexico to China, but the current game as we know it is from England.    Football is said to have been invented in England â¦ in 1863. It was  in this year that the first association governing the game was  founded. Football refers a number of sports which involve kicking  of a ball.  The Ivy League schools were playing variations on a kicking game as far back as the 1820s.