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Basic information you must know about American football

American football is also known as American football, or coffee ball, is a popular team sport in the United States. American American football is closely related to Canadian American football but there are some differences in game rules and many other features.

In the United States, some of the main forms of American football are high school football, college football and professional American football, essentially the same but different at some point in the game rules.

Playground

The 100-yard café’s playing field, divided into 20 sections of 5 yards each, is marked by 19 white long lines horizontally on the field. In the middle of the long lines are four rows of short lines, each 4-line line separated by 1 yard. The last section at each end of the yard is called the end-zone, which is 10 yards long, usually with a red diagonal and is separated by a long white line called the goal line.

At the end of the restricted zone (end-zone) is the last line (end line), then the goal (goal posts). The base is planted in the middle of the yard, 10 feet high, on the north a horizontal bar of 18 feet 6 inches, two ends are two vertical bars 30 feet high. In total, the football playing field is 120 yards (360 feet) long and 53 1/3 yards (160 feet) long.

From the goal line, every 10 yards, the field will be marked with a number of 10, 20, 30, 40 until the midfield is 50. After this level, the field is marked back 40, 30, 20 and 10 to the restricted area of ​​the other party.

Helmet

Helmets include an inflatable cushion to protect the head, a mask to protect the face, 2 ear taps on each side to protect the ears.

Team and location

An American American football team can be up to 40-50 people will split into 3 small teams including an offense team, a defense team (defense team) and a mixed team or special team.