This is an example of an unsportsmanlike foul (Criteria 2) for excessive contact. Players cannot cause excessive, hard contact on their opponent in an effort to play the ball.

In this example, White 24 makes excessive contact to the head of their opponent Blue 21 in an attempt to block his shot.

The action is careless and the defenders arm follows through causing excessive contact to the head. This is an unsportsmanlike foul (Criteria 2) on White 24.