American Football is one of the biggest North American sports. The play clock is set 25 seconds after certain administrative stoppages in play and to 40 seconds when play is proceeding without such stoppages.
Failure to advance the ball the required distance within those three downs would result in control of the ball being forfeited to the other team. Each team is allowed to maintain a roster of up to 45 players of different skills, sizes, and roles that can be substituted into the game at any time. Ce magazine paraît tous les 2 mois. Inbound lines, or hash marks, are short parallel lines that mark off 1 yard (0.91 m) increments. An earlier league, the All-America Football Conference (AAFC), was in play from 1946 to 1949. The visiting team can call either "heads" or "tails"; the winner of the toss chooses whether to receive or kick off the ball or which goal they wish to defend. Download now! Height (Crossbar): 10â | 3.05 mHeight (Professional): 35â | 10.7 mHeight (College): 30â | 91.4 minimumWidth (Professional/College): 18.5â | 5.64 mWidth (High School): 23â4â | 7.11 mDiameter (Pole): 6â | 15 cmPadding: 6â | 1.83 m, Drawings include:American Football Field Goal Post front elevation, side, NFL - National Football LeagueWikipedia - American Football.
All Harrod Sport manufactured American football goal posts are designed, developed and built in East Anglia and have been installed in a wide range of world-class sporting venues including Twickenham, Croke Park and Wembley Stadium.
In 1881, in a game between Yale and Princeton, both teams used this strategy to maintain their undefeated records.
Usually, every 5 yards (4.6 m) they run the width of the field.  By 1922, the NFL had established itself as America's premier professional football league.  In a 2014 poll conducted by Harris Interactive, professional football ranked as the most popular sport, and college football ranked third behind only professional football and baseball; 46% of participants ranked some form of the game as their favorite sport. Comprised of a crossbar and vertical uprights, professional field goal posts reach a height of 35â | 10.7 m and are capped with orange flags to visualize the direction and strength of the wind.
Its championship game, the Super Bowl, ranks among the most-watched club sporting events in the world. The National Football League, the most popular American football league, has the highest average attendance of any professional sports league in the world. , The legal forward pass was introduced in 1906, although its impact was initially minimal due to the restrictions placed on its use. To solve these concerns, major effort has been put into promoting flag football, a modified version of American football, at the international level. A PAT is most commonly attempted from the two- or three-yard line, depending on the level of play.
Gunners line up split outside the line and race down the field, aiming to tackle the punt returner (PR)—the player who catches the punt. , Football games are played on a rectangular field that measures 120 yards (110 m) long and 53 1⁄3 yards (48.8 m) wide.  High school football games are 48 minutes in length with two halves of 24 minutes and four quarters of 12 minutes. , NFL Europa, the developmental league of the NFL, operated from 1991 to 1992 and then from 1995 to 2007.  The United States Football League (USFL) operated for three seasons from 1983 to 1985.
 On television, a yellow line is electronically superimposed on the field to show the first down line to the viewing audience.
, Over time, professional play became increasingly common, and with it came rising salaries and unpredictable player movement, as well as the illegal payment of college players who were still in school. It is often received as "overly aggressive", and defamiliarized in popular culture.  After playing McGill University using both Canadian and American rules, the Harvard players preferred the Canadian style of having only 11 men on the field, running the ball without having to be chased by an opponent, the forward pass, tackling, and using an oblong instead of a round ball. An operator is responsible for starting, stopping and operating the game clock based on the direction of the appropriate official. They introduced the sport to Princeton, a feat the Professional Football Researchers Association compared to "selling refrigerators to Eskimos". Most teams choose to receive or defer, because choosing to kick the ball to start the game allows the other team to choose which goal to defend.  A group of officials, the chain crew, keeps track of both the downs and the distance measurements. Download now! Affordable and search from millions of royalty free images, photos and vectors. All officials carry a whistle and wear black-and-white striped shirts and black hats except for the referee, whose hat is white.  In 2004, the league was called "America's fifth major sport" by ESPN The Magazine. Eventually, a tournament, the Carioca championship, was founded, with the championship Carioca Bowl played to determine a league champion.  The scoring team then attempts a try or conversion, more commonly known as the point(s)-after-touchdown (PAT), which is a single scoring opportunity. Les tableaux sont le meilleur endroit pour sauvegarder des images et des vidéos. Numerals that display the distance from the closest goal line in multiples of ten (up to the 50 yard line) are placed on both sides of the field every ten yards, with arrows right by the numerals to indicate the closer goal line; some fields may denote the goal line with a "G". Safeties are worth two points, which are awarded to the defense.  Playing with more on the field is punishable by a penalty. , In Brazil, football is a growing sport.  The 2015 film Concussion aimed to shed light on the sport's safety, specifically in the NFL by having Will Smith portray Dr. Bennet Omalu, a neuropathologist who was the first to discover and publish findings of chronic traumatic encephalopathy or CTE. The player on the receiving team who catches the ball is known as the kickoff returner (KR).  It is played between the champions of the National Football Conference (NFC) and the American Football Conference (AFC), and its winner is awarded the Vince Lombardi Trophy.
According to BBC America, there is a "social stigma" surrounding American football in the UK, with many Brits feeling the sport has no right to call itself "football" due to the lack of emphasis on kicking. http://www.sportingcharts.com/dictionary/nfl/yard-line.aspx, https://en.wikipedia.org/w/index.php?title=American_football_field&oldid=983821065, Creative Commons Attribution-ShareAlike License, This page was last edited on 16 October 2020, at 12:41. , Three positions are specific to the field goal and PAT (point-after-touchdown) unit: the placekicker (K or PK), holder (H) and long snapper (LS). Originally not intended as a rival league, the entry of owners who sought marquee talent and to challenge the NFL led to an escalation in salaries and ensuing financial losses.
 The leader of the offensive line is the center, who is responsible for snapping the ball to the quarterback, blocking, and for making sure that the other linemen do their jobs during the play. , In football, the winner is the team that has scored more points at the end of the game. In a 2012 study, the NCAA estimated there were around 1.1 million high school football players and nearly 70,000 college football players in the United States; in comparison, the second-most played sport, basketball, had around 1 million participants in high school and 34,000 in college. The two leagues merged in the 1970 season, and all the AFL teams joined the NFL.
 Scoring was also adjusted: points awarded for field goals were reduced to three in 1909 and points for touchdowns were raised to six in 1912.
 The terms "gridiron" or "American football" are favored in English-speaking countries where other types of football are popular, such as the United Kingdom, Ireland, New Zealand, and Australia.
", "A$60 Million Palace for Texas High School Football", "No New Year's Day Bowl Games? , Games last longer than their defined length due to play stoppages—the average NFL game lasts slightly over three hours. American Football is the #1 kicker simulator of 2016. The sport is closely related to Canadian football, which evolved in parallel with and at the same time as the American game (although their rules were developed independently from that of Camp's). White markings on the field identify the distance from the end zone. It could, however, be kicked or batted with the feet, hands, head or sides, with the objective being to advance it into the opponent's goal.
 The IFAF has received provisional recognition from the International Olympic Committee (IOC). Once the merger was completed, it was no longer a championship game between two leagues and reverted to the NFL championship game, which came to be known as the Super Bowl. 3DM, OBJ, SKPÂ formats, Dimensions is a project by Fantastic Offense.
Prior to the snap, the strategy had been to punt if a scrum resulted in bad field position. The competition is contested between the top six European teams. Perform extreme football shots and score goals in this epic kick off the game!  The National Football League was founded in 1920 and has since become the largest and most popular sport in the United States.
Maßgebend ist der Besitz des Balls hinter der gegnerischen Touchdown-Linie.