This does not trump a player's responsibility to make reasonable efforts to avoid contact and to not commit a blocking foul. If you commit a blocking foul, the fact that you jumped to the spot instead of running does not negate the foul.
This rule was changed from the previous rulebook version
This rule was added from the previous rulebook version
This rule has updates in the next rulebook version
Observers may be used if desired by the captains or the event organizer.
USAU 11th Edition Rules
18.A
Observers may be used if desired by the captains or the event organizer. Observers are non-players whose role is to carefully watch the action of the game.