American football online player training usually makes the team more effective

Who can tell me about the position and composition of American football players~~~
In the American flag football game, which attaches great importance to technical and tactical skills, a player with special skills in a certain position can usually make the team play more effectively. Therefore, when each player in the team plays his special skills, the team is more likely to winWho told me the rules of football
The form of scoring in rugby is: 5 points for touchdown with the ball, which is called touchdown. After reaching the array, the scoring team can also kick and shoot once on the imaginary line perpendicular to the goal line through the reaching array point, and score 2 points; 3 points will be given for the penalty kick and shot obtained due to one side's foul and the drop kick and shot in the course of the gameWhat protective gear do American football players need
Basically, every player must wear a complete set of protective equipment from head to foot: the helmet is composed of a shell, facemask and chinstrap, so as to reduce the possibility of facial injury, especially the nasal bridge and mouth injury
American football team composition
Each team includes attack group, defense group and secret service group attack group: Defense Group: Secret Service Group:
The rules of American football
A goal line is set at the first 10 yards of the end line. The distance between the two goal lines is 100 yards. The goal is set in the middle of the end line. The system is the same as that of British football. American football ball is slightly smaller than English football. The ball is 11 to 11.5 inches long, the long axis of the ellipse is 28 to 28.5 inches, the short axis is 21.25 to 21.5 inches, and weighs 14 to 15 inchesWho can tell me about the rules and training of football
A goal line is set at the first 10 yards of the end line. The distance between the two goal lines is 100 yards. The goal is set in the middle of the end line. The system is the same as that of British football. American football ball is slightly smaller than English football. The ball is 11 to 11.5 inches long, the long axis of the ellipse is 28 to 28.5 inches, and the short axis is 21.25 to 21.5 inchesName and function of each line in American football field
Finally, on the two inner corners of the end area (the areas at both ends of the dark green in the figure), there will be two red corner posts. If any part of the body or the ball touches the corner posts, it will be regarded as reaching the array. I hope that the subject and readers can enjoy the passion and charm of American footballAsk for complete football rules
When the ball touches the goal line, it is called touchdown, and 5 points are scored. After the touchdown, the scoring team can also kick and shoot once on the imaginary line perpendicular to the goal line at the touchdown point, and score 2 points. 3 points will be given for the penalty kick and shot obtained due to one side's foul and the drop kick and shot in the game. However, there are three forms of American football scoring - touchdownWho can introduce the rules of American football, the positions assigned by the players and how to score
Standing by the football. The players of the dragon team were shocked and gave up their positions to protect them. When assigning tasks in the future, don't call me Shiyuan. Just call me Shiyuan. "OK, I'll listen to you, senior brother
How many players are there in American football? How many minutes is a game
A goal line is set at the first 10 yards of the end line. The distance between the two goal lines is 100 yards. The goal is set in the middle of the end line. The system is the same as that of British football. American football ball is slightly smaller than English football. The ball is 11 to 11.5 inches long, the long axis of the ellipse is 28 to 28.5 inches, and the short axis is 21.25 to 21.5 inches