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A standard football game consists of four 15-minute quarters (12-minute quarters in high-school football and often shorter at lower levels, usually one minute per grade [e.g. 9-minute quarters for freshman games]), [6] with a 12-minute half-time intermission (30 minutes in the Super Bowl) after the second quarter in the NFL (college halftimes are 20 minutes; in high school the interval is 15 ...
Download as PDF; Printable version; In other projects Wikidata item; ... Pages in category "Gridiron football rules" The following 4 pages are in this category, out ...
Field judge Brad Freeman (88) and line judge Jeff Seeman (45) at an NFL game in October 2014. In gridiron football, an official is a person who has responsibility in enforcing the rules and maintaining the order of the game. During professional and most college football games, seven officials operate on the field.
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.
Diagram of a Canadian football field, which is wider and longer than the American field. Gridiron football (/ ˈ ɡ r ɪ d aɪ. ər n / GRID-eye-ərn), [1] also known as North American football, [2] or in North America as simply football, is a family of football team sports primarily played in the United States and Canada.
According to 2017 study on brains of deceased gridiron football players, 99% of tested brains of NFL players, 88% of CFL players, 64% of semi-professional players, 91% of college football players, and 21% of high school football players had various stages of CTE. [25] Other common injuries include injuries of legs, arms, and lower back. [26 ...
Beginning regionally again and universally by 1923, the Burnside rules led to the three-man scrimmage being reduced to the centre alone, the number of players on the field being reduced commensurately from 14 to 12, and a snap rule and neutral zone similar to that of American football was adopted. In addition to the between-the-legs requirement ...
The goal line is the chalked or painted line dividing the end zone from the field of play in gridiron football. In American football the goal lines run 10 yards (9.1 m) parallel to the end lines, while in Canadian football they run 20 yards (18 m) parallel to the dead lines. In both football codes the distance is measured from the inside edge ...