week1: what's American football?

    what's American football?
 It's the most famous and popular sport in USA.
According to The Gallup Organization's savey, which is primarily a research-based performance-management consulting company, the most popular sport is American football (41%), the second is baseball(10%), the third is basketball(9%).  Seeing these parcentage, American football can be said that it's symbol sport of USA.
   American football is a sport played between two teams of eleven player, and  scoring points by carrying the ball to the opposing team's end zone.
 there are two ways to carry the ball.
   one is running with the ball, and the other is throwing it to a player.
Furthermore, there are four ways to scoring points.
The first way is going into the opposing team's end zone with a ball. Six scores can be scored by this way.
  The second way is catching a pass thrown in opposing team's end zone. Six scores also can be scored by this way.
 The third way is kicking the ball through the opponent's goal posts. three points scores can be scored by this way.
    The fourth way is tackling an opposing ball carrier  in his own end zone. By this way, two scores can be scored.
  By conbine these ways, two teams score points. the team which scores more points than the other team win when the game is finished.

     In the United States, the major forms are high school football, college football and professional football. Each of these are played under little different rules.
  High school football is governed by the National Federation of State High School Associations and college football by the National Collegiate Athletic Association. The highest level league for professional football is the National Football League.

  In Japan, American football is often mistaken for rugby football, and there are some reasons.
For example, both of Rugby football and American football is a sport that uses both the oval ball and they also match the image of moving forward with the ball further. However, in practice there is a difference in the ball slightly, the ball has a seam of American football, there is no seam in the rugby ball. This seam is very important when throwing a pass in American football.
   In addition, it is very similar image of stopping the opponent's play by heavy tackle. Few sports are considered heavy tackle are allowed, and this is the main reason for mistake Rugby football and American football.
Shows the difference between American football and rugby below.

 ・Each game proceeds split into two teams clearly offensive side and defensive side.

・ Each game proceeds split into two teams clearly offensive side and defensive side. The results of each play, is a clear pattern to be stopped (clock) proceeds directly measure game time. Therefore, I was also referred to as the "sport to compete with the clock" because it will be an important factor in the progress of time affect the course of the game, especially in the late game.
　

・There are many heavy contact such as block and tackle. For this reason, it is required to be equipped with  equipments such as a helmet or protector players.

There are many other minor differences.

I think this time, but there was only a brief introduction, we would like to tell about the football further in this blog.