What happens during a penalty corner?

Answer 1

Penalty corner in hockey is caused by a foul in the D (the scoring area) e.g. a foot.

For 11 a side:

During a penalty corner the defending team can have 4 defenders and the goalie stand in the goal - behind the line. The attacking team can have as many as they want (usually about 6) who stand just on/a step behind the line of the D. The rest of the players for both teams must stand behind the half way line. One attacking player stands on the backline ready to pass the ball out to the top of the D where their team mates are.

When whistle goes attacker passes the ball and all defenders run out - 2 defence: 1 runs at the person they believe will get the ball and the other defendergoes to the person they think the ball carrier will pass to. The other two defenders take a couple of steps out and stand near to the goal posts. The goalie takes a few steps out and makes themself as large as possible. Meanwhile attackers must take the ball outside the D before entering the D. Then they may pass or have a shot at goal.

The other players at the half way line may run back to goal as soon as whistle goes.

For 7 aside:

There are only 2 defenders and a goalie in the goal.