Soccer is a game played by passing the ball into a marked area referred to as the goal. It played by passing the ball among the team while attempting to approach the goal post of the opponent with the aim of scoring one for the team. This is a net that is supported by two poles. In this game, the ball used is spherical in shape and is neither too big nor too small in size. There are 11 players among them a goal keeper whose task is to defend their team side by not letting the ball pass through the goal posts. The rules of the game do not specify any positions for the players apart from the goalkeeper.
    The teams make use of their own strategies through positioning the remaining ten players at any spot within the ground limits. The ball can only be touched by the head, the feet, or at times the chest. The time limit for this game is divided into 2 parts each 45 minutes for a total of 90 minutes. There is a small break in between for refreshment and relaxation of the players.
    The football game is administered by FIFA (Fédération Internationale de Football Association), an international body. FIFA world cup is the most famous event that is held every 4 years. Hundreds of thousands of people go to see this event and most of the times attendance for the world cup matches is above the number of people attending Olympic Games. 
    The game necessitates continuous running as well as other agility maneuvers all through the 45 minute single game play. Therefore, the players need to have very fit and agile bodies. Their levels of stamina have to also be high in order that they might not get tired for the duration of the 45 minute period.