1. An anchor assembly comprising: a anchor body with an anchor; an anchor head including a yoke extending from the anchor body and a shaft positioned across the yoke; a saddle mounting element located on said shaft; a saddle including a port that is received about said saddle mounting element wherein the saddle includes a mount adapted to secure the saddle to a spinal rod; and a fastener that can lock said saddle mounting element against said shaft in order to position said saddle relative to said anchor body.
1. An anchor assembly comprising: a anchor body with an anchor; an anchor head including a yoke extending from the anchor body and a shaft positioned across the yoke; a saddle mounting element located on said shaft; a saddle including a port that is received about said saddle mounting element wherein the saddle includes a mount adapted to secure the saddle to a spinal rod; and a fastener that can lock said saddle mounting element against said shaft in order to position said saddle relative to said anchor body. 11. The anchor assembly of claim 1 wherein said fastener is adapted to be urged against the spinal rod in order to lock said cylinder against said shaft.