The following links are YouTube videos by Jordan Burroughs, a 2012 gold medalist. They show some basic wrestling moves and positioning, most of them we cover at some point during the wrestling season. I think they are a good resource and could be helpful in teaching your wrestler. This is one of the best sets of information that I have seen that covers all positions.
Positioning and Set Ups:
Takedowns:
Breakdowns:
Escapes and Reversals:
Neutral Defense:
Pins: