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High school football, also known as prep football, is gridiron football played by high school teams in the United States and Canada. It ranks among the most popular interscholastic sports in both countries, but its popularity is declining, partly due to risk of injury, particularly concussions. [1] According to The Washington Post, between 2009 ...
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. The clock is stopped frequently, however, with the result that a typical college or professional game can exceed three hours in duration.
The A-11 offense is an offensive scheme that has been used in some levels of amateur American football. In this offense, a loophole in the rules governing kicking formations is used to disguise which offensive players would be eligible to receive a pass for any given play. [1][2] It was designed by Kurt Bryan and Steve Humphries of Piedmont ...
Nine-man football is a type of American football played by high schools that are too small to field teams for the usual 11-man game. In the United States, the Minnesota State High School League, North Dakota High School Activities Association, South Dakota High School Activities Association, and Wyoming High School Activities Association hold high-school state tournaments in nine-man football.
Pass interference rules in American high school and college football clearly cover only forward passes that travel beyond the neutral zone. In the National Football League (NFL), the rule is that "there can be no pass interference at or behind the line of scrimmage". [1] In Canadian football, pass interference rules are applied throughout the ...
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 ...
The official playing field in Canadian football is larger than the American, and similar to American fields before 1912. The Canadian field of play is 110 by 65 yards (100.6 by 59.4 m), compared to 100 by 531⁄3 yards (91.4 by 48.8 m) in American football. Since 1986, Canadian end zones are 20 yards (18.3 m) deep while the American end zones ...
In American football, two-a-days occur when a team or individual trains on two occasions during the same day. Two-a-days are used primarily to get in shape for the season, and learn new strategies. In the National Football League, two-a-days were eliminated in the 2011 collective bargaining agreement. [1] Previously, teams ran double sessions ...