The victim was wake boarding behind a boat driven by his father on the Des Moines River.  The victim tried to do a flip, did not execute the flip and landed face first in the water and the wake-board hit him in the back of the head.  The victim was knocked unconscious and was pulled from the water with no breathing or pulse.  CPR was administered until the EMT's arrived.  The victim was transported to the hospital.
Des Moines                    