The football

1. physical activities

1.1. es cualquier movimiento corporal producido por el músculo esquelético y que resulta en un incremento sustancial del gasto energético.

2. history

2.1. In the late Middle Ages and later centuries developed in the British Isles and surrounding areas different sets of equipment, to which they were known as football codes.

3. It is a team sport played between two teams of eleven players each and some referees dealing with the rules are properly followed.

4. rules football

4.1. 1. Rule Pitch: The field must be of natural or artificial turf, although this option may depend on the rules of the competition. The land must be rectangular, and its length between 90 and 120 m (100 and 110m for international matches), and its width between 45 and 90m.

4.2. 2. Ball Rule: The ball or ball is a sphere shaped object used for soccer practice. It should be leather or other suitable material.

4.3. 3. Rule Number of players: Each of the two teams playing a match may have a maximum of 11 players in the field, and no less than 7, although the latter number may vary depending on the competition.

4.4. 4. Rule equipment players:   Shirt or jersey with sleeves (short or long)   Shorts   tights   Shin or shin   proper footwear

4.5. 5. Rule Referee: The referee is the one who has full authority to enforce the rules in the party for which he has been appointed. All decisions of the referee are final.

4.6. 6.Regla the Assistant Referees: The ball has crossed the boundaries of the land.   Which team should perform a corner kick, goal kick or throw.   Offside position.   Substitution of players.   Breaches or incidents out of sight of the referee.