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Unformatted text preview: Sheet1 Page 1 pp-semi otheruses <--> Image:Titans Texans.jpgthumbright300pxAmerican football game between the Tennessee Titans and the Houston Texans in Image:FootballSnap.JPGthumb250pxAmerican football about to be Snap (football)snapped ''American football''', known in the United States simply as '''football''',< American football is known for having only a small following outside the United States, despite attempts by the National Footb Err:510 mainHistory of American football Image:Unknown Early American Football Team.jpgthumbrightAn early American football team, from the turn of the twentieth c The history of American football can be traced to early versions of rugby football. Both games have their origin in footballvarie American football resulted from several major divergences from rugby football, most notably the rule changes instituted by Wa The origin of professional football can be traced back to 1892, with William HeffelfingerWilliam " Err:510 mainAmerican football rules The object of American football is to score more points than the opposing team within the time limit. Err:510 < Image:AmFBfield.svgthumbright250pxThe numbers on the field indicate the number of yards to the nearest end zone. American football is played on a field 360 feet (120& 'Yard lines'' cross the field every convert5ydm1, and are numbered every 10 yards from each goal line to the 50-yard line, or m At the back of each end zone are two ''goalposts'' (also called ''uprights'') that are 18.5& Each team has 11 players on the field at a time. However, teams may substitute for any or all of their players, if time allows, d Err:510 Similar to association football, the game begins with a Coin flippingcoin toss to determine who will kick off to begin the games #They may choose to either receive the opening kickoff or to kick off #They may choose which goal to defend #They may choose to ''defer'' the first choice to the other team and have first choice to start the second half (except in the NFL Whatever the first team chooses, the second team has the option on the other choice (for example, if the first team elects to re At the start of the second half, the options to kick, receive, or choose a goal to defend are presented to the captains again. Th Err:510 A standard football game consists of four 15-minute (typically 12 minutes in high-school football) quarters, with a half-time inte Err:510 Sheet1 Page 2 Image:Football cross.jpgthumbright200pxA line of Line of scrimmagescrimmage. Image:2006 UT fall scrimmage Snead.JPGthumbright200pxA quarterback searching for opportunity to throw a pass. Image:2006 Pro Bowl tackle.jpgthumbright200pxA running back being tackled when he tries to run with the ball....
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This note was uploaded on 04/30/2008 for the course CS 3304 taught by Professor Chen during the Spring '08 term at University of Houston - Downtown.
- Spring '08