What does the waist flag mean by football yards then change the ball control

The rules of Pennant football
2.3. If the attacking team fails to pass the midfield line, it will change the ball control and the other party will attack at the 5-yard line. 2.4. In addition to interception, all changes of ball control start from the attacker's 5-yard line. 2.5. After 20 minutes of the first half, the two teams changed positions. 4、 Number of players
What are the positions in American football
1) Position in the team theoretically, a player can play any position under the condition of abiding by the rules. Therefore, the rules allow each team to have "free players" in each game, who can run in any direction. In the American flag football game, which pays great attention to skills and tactics, a player with special skills in a certain positionWaist flag Rugby rules
2.3. If the attacking team fails to pass the midfield line, it will change the ball control and the other party will attack at the 5-yard line. 2.4. In addition to interception, all changes of ball control start from the attacker's 5-yard line. 2.5. After 20 minutes of the first half, the two teams changed positions. 4、 Number of players
The rules of rugby
http://baike.baidu.com/view/472464.html?wtp=tt If you want to be more detailed, you have to look at the game and ask others (there are many rules of football, and the encyclopedia certainly hasn't finished, especially some details
Football rules
There are three referees in each match, and one chief referee is responsible for implementing the rules and mastering the game and timing; Two sideline referees are in charge of one sideline respectively. When the ball or the ball holder goes out of bounds, they raise a flag to signal to the chief referee. Stadium specifications and ball for competition the playing field is 160 yards long (1 yard =0.9144 meters) and 75 yards wideThe position of the waist flag Rugby Seven yard line and its determination in the game
In waist flag rugby, the 7-yard line is a hypothetical line parallel to the service line, which starts from the service line and is usually a point on the center line of the court that takes about seven steps. The vice referee will take a yellow round cake and put it on the ground as a signWhat is the meaning of "non running area" in the waist flag football rules
Non running area means the first 5 yards of the scoring line. This area can not play running front tactics, but can only attack by passing and receiving the ball. American flag football, a popular sport, originated from the American National Football League (NFL). It introduces the basic rules and skills of American football to teenagers aged 8 to 14. Compared with the official football rulesQuarterback analysis in football
The quarterback is usually the brain, and sometimes he will personally take on the mission of scoring. The quarterback is usually intelligent and physically weak. Personally, he thinks that attacking the quarterback is the most ferocious quarterback. The quarterback is a position in football. It is like the organizing back guard in basketball. He should have a good ability to observe the game and pass the ballWhat does football flag mean
Football flag means waist flag football. Waist flag football rules prohibit physical contact. Accidental collision between two people is another matter. So, in terms of security, it is very good. Waist flag football, although it looks like a castrated version of footballWhat is the Sloan line of waist flag football
In rugby terms, the first 5 yards of the scoring line. This area can not play running front tactics, but can only attack by passing and receiving the ball