What is a foul throw in track and field mean?

Answer 1

in soccer, you have to place the ball behind your head while doing the throw in. if u place the ball over your head or in front while doing the throw in , then the referee will signal it as a foul throw.

Answer 2

the rules of discus is to throw it while you stand inside the metal ring an get it in the 35 degree boundaries. so if you throw out of the boundaries or if you st or if you leave the ring not in control or if you step on or over the ring without exiting through the back after the throw.

Answer 3

what is a foul throw??????????????