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- Gridiron_football abstract "Gridiron football, or North American football, is a form of football primarily played in the United States and Canada. The predominant forms of gridiron football are American football and Canadian football. The term "gridiron" originated as a description of the sport's then-characteristic playing field, which, until the late 1910s–early 1920s, was marked with a series of parallel lines in a checkerboard (or grid) pattern, resembling a gridiron. The grid system was abandoned in favor of the system of yard lines and hash marks used today, but the term "gridiron" has survived."Gridiron" football developed in the late 19th century out of the original games now known as rugby football and association football. It is distinguished from other football codes by its use of hard plastic helmets and shoulder pads, the forward pass, the system of downs, a line of scrimmage, more specialist positions and formations, free substitution, platooning of different players for offense and defense, measurements in yards, a distinctive brown leather ball in the shape of a prolate spheroid, and the ability to score points while not in possession of the ball by way of the safety. Walter Camp is credited with creating many of the rules that differentiate gridiron football from its older counterparts.The international governing body for gridiron football is the International Federation of American Football (IFAF); although the organization uses the name "American football" and plays all of its international competitions under American rules, it uses a definition of the game that is broad enough that it includes Canadian football under its umbrella, and Football Canada (the governing body for Canadian football) is an IFAF member.".
- Gridiron_football thumbnail AmFBfield.svg?width=300.
- Gridiron_football wikiPageExternalLink s41614.htm..
- Gridiron_football wikiPageExternalLink gridiron-football.
- Gridiron_football wikiPageID "547452".
- Gridiron_football wikiPageLength "19161".
- Gridiron_football wikiPageOutDegree "95".
- Gridiron_football wikiPageRevisionID "683309607".
- Gridiron_football wikiPageWikiLink 1932_NFL_Playoff_Game.
- Gridiron_football wikiPageWikiLink American_football.
- Gridiron_football wikiPageWikiLink American_football_positions.
- Gridiron_football wikiPageWikiLink Arena_Football_League.
- Gridiron_football wikiPageWikiLink Arena_football.
- Gridiron_football wikiPageWikiLink Association_football.
- Gridiron_football wikiPageWikiLink Australia.
- Gridiron_football wikiPageWikiLink Australian_rules_football.
- Gridiron_football wikiPageWikiLink Burnside_rules.
- Gridiron_football wikiPageWikiLink Canada.
- Gridiron_football wikiPageWikiLink Canadian_Football_League.
- Gridiron_football wikiPageWikiLink Canadian_Interuniversity_Sport.
- Gridiron_football wikiPageWikiLink Canadian_football.
- Gridiron_football wikiPageWikiLink Category:Gridiron_football.
- Gridiron_football wikiPageWikiLink Category:Sport_in_North_America.
- Gridiron_football wikiPageWikiLink Coin_flipping.
- Gridiron_football wikiPageWikiLink Comparison_of_American_and_Canadian_football.
- Gridiron_football wikiPageWikiLink Conversion_(gridiron_football).
- Gridiron_football wikiPageWikiLink Down_(American_football).
- Gridiron_football wikiPageWikiLink Down_(gridiron_football).
- Gridiron_football wikiPageWikiLink Drop_kick.
- Gridiron_football wikiPageWikiLink Eight-man_football.
- Gridiron_football wikiPageWikiLink Eligible_receiver.
- Gridiron_football wikiPageWikiLink End_zone.
- Gridiron_football wikiPageWikiLink Field_goal.
- Gridiron_football wikiPageWikiLink Field_goal_(football).
- Gridiron_football wikiPageWikiLink Flag_football.
- Gridiron_football wikiPageWikiLink Football.
- Gridiron_football wikiPageWikiLink Football_(ball).
- Gridiron_football wikiPageWikiLink Football_(word).
- Gridiron_football wikiPageWikiLink Football_Canada.
- Gridiron_football wikiPageWikiLink Football_helmet.
- Gridiron_football wikiPageWikiLink Formation_(American_football).
- Gridiron_football wikiPageWikiLink Forward_pass.
- Gridiron_football wikiPageWikiLink Glossary_of_American_football.
- Gridiron_football wikiPageWikiLink Glossary_of_Canadian_football.
- Gridiron_football wikiPageWikiLink Gridiron_(cooking).
- Gridiron_football wikiPageWikiLink Half-time.
- Gridiron_football wikiPageWikiLink Halftime.
- Gridiron_football wikiPageWikiLink House_rule.
- Gridiron_football wikiPageWikiLink Huddle.
- Gridiron_football wikiPageWikiLink Indoor_American_football.
- Gridiron_football wikiPageWikiLink International_Federation_of_American_Football.
- Gridiron_football wikiPageWikiLink Jim_Foster_(American_football).
- Gridiron_football wikiPageWikiLink Jim_Foster_(football).
- Gridiron_football wikiPageWikiLink Kickoff_(American_football).
- Gridiron_football wikiPageWikiLink Kickoff_(gridiron_football).
- Gridiron_football wikiPageWikiLink Lateral_pass.
- Gridiron_football wikiPageWikiLink Line_of_scrimmage.
- Gridiron_football wikiPageWikiLink Lineman_(gridiron_football).
- Gridiron_football wikiPageWikiLink NFL_Playoff_Game,_1932.
- Gridiron_football wikiPageWikiLink National_Football_League.
- Gridiron_football wikiPageWikiLink New_Zealand.
- Gridiron_football wikiPageWikiLink Nine-man_football.
- Gridiron_football wikiPageWikiLink Offensive_lineman.
- Gridiron_football wikiPageWikiLink One-platoon_system.
- Gridiron_football wikiPageWikiLink Out_of_bounds.
- Gridiron_football wikiPageWikiLink Overtime_(sports).
- Gridiron_football wikiPageWikiLink Pitch_(sports_field).
- Gridiron_football wikiPageWikiLink Placekicker.
- Gridiron_football wikiPageWikiLink Playing_field.
- Gridiron_football wikiPageWikiLink Prolate_spheroid.
- Gridiron_football wikiPageWikiLink Punt_(gridiron_football).
- Gridiron_football wikiPageWikiLink Rugby_football.
- Gridiron_football wikiPageWikiLink Rugby_league.
- Gridiron_football wikiPageWikiLink Rugby_union.
- Gridiron_football wikiPageWikiLink Safety_(American_football_score).
- Gridiron_football wikiPageWikiLink Safety_(gridiron_football_score).
- Gridiron_football wikiPageWikiLink Single_(football).
- Gridiron_football wikiPageWikiLink Six-man_football.
- Gridiron_football wikiPageWikiLink Snap_(football).
- Gridiron_football wikiPageWikiLink Snap_(gridiron_football).
- Gridiron_football wikiPageWikiLink Spheroid.
- Gridiron_football wikiPageWikiLink Street_football_(American).
- Gridiron_football wikiPageWikiLink Sudden_death_(sport).
- Gridiron_football wikiPageWikiLink Touch_football_(American).
- Gridiron_football wikiPageWikiLink Touchdown.
- Gridiron_football wikiPageWikiLink Try_(American_football).
- Gridiron_football wikiPageWikiLink Two-point_conversion.
- Gridiron_football wikiPageWikiLink United_States.
- Gridiron_football wikiPageWikiLink Walter_Camp.
- Gridiron_football wikiPageWikiLink World_Series_of_Football_(1902).
- Gridiron_football wikiPageWikiLink World_Series_of_Football_(1902–03).
- Gridiron_football wikiPageWikiLink Yard.
- Gridiron_football wikiPageWikiLink File:AmFBfield.svg.
- Gridiron_football wikiPageWikiLink File:American_Football_1.svg.
- Gridiron_football wikiPageWikiLink File:Football_Diagram_1904.jpg.
- Gridiron_football wikiPageWikiLink File:Syracuse-university_1910_archibald-stadium_oval.jpg.
- Gridiron_football wikiPageWikiLink File:Terrain_football_canadien2.png.
- Gridiron_football wikiPageWikiLinkText "American and Canadian Football".
- Gridiron_football wikiPageWikiLinkText "American and Canadian football".
- Gridiron_football wikiPageWikiLinkText "American football".