What preparations should a football referee make before a game? How to run on the court?
Think of the football field as a rectangle. The referee runs sideways and tries to face the linesman. Specifically, it should be an hour hand, 1: 30 to 7: 30! The linesman should always keep a horizontal line with the last player of his own team (except the goalkeeper), but he should not cross the center line, and always pay attention to everything that happens in his own half, such as offside, foul, out of bounds, etc. ...