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In football, the formation describes how the players in a team are positioned on the field. Many variations are possible on both sides of the ball, depending on the strategy being employed. On offense, the formation must include at least seven players on the line of scrimmage , including a center to start the play by snapping the ball.
The primary goal of the offense is to score points. [1] To achieve this, coaches and players design and execute plays based on several factors: the players involved, the opponent's defensive strategy, the time remaining before halftime or the end of the game, and the number of points needed to secure a win.
Collegiate and professional football games are 1 hour long, divided into four quarters of 15 minutes each. In high school football, 12-minute quarters are usually played. However, the game clock is stopped frequently, and a typical college or professional game can exceed three total hours.
In American football, the specific role that a player takes on the field is referred to as their position. Under the modern rules of American football, both teams are allowed 11 players [1] on the field at one time and have "unlimited free substitutions", meaning that they may change any number of players during any dead ball situation.
The offense is required to set up a formation before a play, subject to several rules: The formation must have at least 7 players on the line of scrimmage. [1] The 7 players are not required to be next to each other and may spread out across the width of the field, but this is rare; most offenses place at least 5 players together in a continuous line.
The wishbone formation. The wishbone triple option can use several formations including the flexbone or Maryland I.The wishbone triple option is a running play where either the fullback, the quarterback, or one of the halfbacks (also called "running backs" [RB] or "tail backs") runs the ball.
USA Football is the governing body of American football in the United States. [1] It is the United States' member of the International Federation of American Football (IFAF), [2] and a recognized sports organization of the U.S. Olympic & Paralympic Committee. [3]
A football field as seen from behind one end zone. The tall, yellow goal posts mark where the ball must pass for a successful field goal or extra point. The large, rectangular area marked with the team name is the end zone. Football games are played on a rectangular field that measures 120 yards (110 m) long and 53 + 1 ⁄ 3 yards (48.