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 is, without a speck of doubt, the most popular game in the world. It has got the speed and energy that enthralls millions of people of different countries across the world. A football player needs to physically very tough and mentally strong in order to excel in this sport. Football is a team game and so the concerned player has to abide by the strategy of the team. Practice is one of the key factors in this regards that help to sharpen both the individual and the team skills.