American football and general knowledge of this subject

American football the most popular sport in the US, it ranks above both soccer and on par with basketball. Let’s find out about this subject to know why they like it so much.

American football is an popular and popular team sport in the United States. American football is closely related to Canadian rugby but there are some differences in game rules and many other characteristics. In the US, some of the main types of rugby are high school football, college football and professional football, which are basically the same but differ in a few points in the rules.


The 100 yards (approximately 91 m) football field, divided into 20 sections of 5 yards (4.5 m) each, is marked by 19 long white lines across the yard. Between the long lines are four rows of short lines, each of which 4 lines are separated by 1 yard (almost 1 m). The final section at each end of the yard is called the end-zone, which is 10 yards (9.1 m) long, usually with a red diagonal stripe and separated by a long white line called the line. goal line. At the end of the penalty area is the end line, then the goal posts.

The pole is planted at the center of the course, 10 feet high, on the north with a 18-foot-6-inch-long crossbar, and the ends of the horizontal bars are two 30-foot-long vertical bars. In total, the entire playing field of football is 120 yards (109 meters) long and horizontal is 53 1/3 yards (48 meters). From the penalty line, every 10 yards, the yard will be marked with the number 10, 20, 30, 40 until the middle of the court is 50. After this level, the yard is marked backwards 40, 30, 20 and 10 for to the restricted area of ​​the other party.


An American football team can have up to 40-50 people, divided into 3 small teams including:

– Attack team

– The defensive team

– Mixed team or special team.

The 7 upper ranks include the center-serve, standing in the middle, the two sides are the giant midfielders (guard), next to the two midfielders are the two guys who are responsible for attacking the big (tackle) style, and outmost are the two guys catching the ball (wide receiver).


The captain (quarterback) will stand behind the server. Behind the captain is the center back (halfback or running back) or defender (fullback).

Two tight-end buttons will stand behind between the catcher and the big butcher. Although they can use different teams depending on the situation, the number of players in the upper row must be at least 5 people.

The average duration of a player playing this sport is often very short and the players often shake off the shirt to play with chronic pain. These aches and pains can continue for a long time after the player has left the field.