Football team defense

How many people are there in the offensive group, the defensive group and the special group of American football
They stand at the back of the defense and come forward to destroy the opponent's attack when the attacker penetrates the defense or a receiver gets rid of the defense. It is subdivided into free safety (FS) and strong safety (SS). 3. kicker of secret service team
What are the rules of football
The rules of the game require that an English football game takes 80 minutes, with only two halves and a 10 minute break between halves. Each team has 15 players, including 8 forwards and 7 defenders. Touchdown scoring is the highest scoring method in rugby: when the offensive player breaks into the defense's division, he touches the ground with the ballHow should football be defended
The most important principles of rugby defense are counterpoint defense and the principle of having the ball forced and not having the ball loose. In defense, it is required that the defenders stand in a straight line and keep a good distance between each other. The opponent must not form a situation of playing more and playing less locally. According to the defensive ability of their own players and the offensive ability of the opposing players, it is necessary to ensure that theHow many positions are there in football
3. Defensive front a) the defensive front is the last line of defense of the whole team. They are responsible for defending the rear. The defensive front can be divided into security guard and corner guard. b) Security guards usually face the ball in the center of the backcourt, while corner guards are usually on the back side of the court. c) The defensive front must guess the movement of the offensive player who holds the ball, so as to intercept and breakWhat is the application of Chinese Rugby Players' grappling technique in game defense
The occurrence of these situations is often not only a problem of losing points, but also a blow to the morale of our whole team. This fully shows that our football players' awareness of defensive ability is insufficient. (2) The application level of Chinese players' grappling technology is relatively low. In the game, grappling technology is not only used in defending opponents' breakthroughWhy doesn't the defense team of American football talk much about tactics
On the court, each side will have a player with a radio headset in his helmet to receive instructions. The offensive group is usually a quarterback, and the defensive group is usually a midline defender. There is a green dot on the back of the helmet of such a player: then the player translates the instructions to the whole team: then everyone will line up separately. In fact, the defense team also experienced a similar processHow the football defense team scores
In American football, the score of the defense group is generally the safe score of the attack of the interception and return, that is, when the other side attacks, the player holding the ball is captured and killed in the other side's attack area
American football rules and offensive and defensive rules
If one side scores or loses control of the ball, the offense and defense will change (the attacker becomes the defender and the defender becomes the attacker). This is repeated until all four quarters of the game are completed. The team with the most points wins. Like any other popular sport, rugby is vibrant, exciting, subtle and elegantBasic tactics of American football
The coach alternated the two offensive tactics according to the situation of the game. Around these two basic tactics, many playing methods have been derived. The basic defensive tactics are man to man defense and area defense. It depends on the tactics of the attacking side. No matter what kind of defensive tactics, the main goal is to fight for ball control. So, in footballWhat defensive positions do NFL teams have
(1) The defensive front is the last line of defense of the whole team. They are responsible for defending the rear. The defensive front can be divided into security guard and corner guard. (2) Security guards usually face the ball in the center of the backcourt, while corner guards are usually on the back side of the court. (3) The defensive front must guess the movement of the offensive player who holds the ball, so as to intercept