RedactedNarrative: Subject was operating his personal water craft on the St Croix River, operator was jumping the wakes of other boats.  As he had just jumped a wake and landed at the next wake he was thrown forward over the front of the PWC then the PWC struck him in the side and back area.  Subject was advising of back pain and chest pain he thought he may have hit his chest on the steering bars while being ejected.  The following day Deputy contacted wife and she advised he was still in the hospital and has two fractured vertebra I his back.