This is a favorite move by many wrestlers including high level wrestlers. If you can hit a Granby roll at the right time during a match then it could mean a smooth 2 point reversal and back points if you finish to a Peterson.
Here is the video on how to Granby Roll to a Peterson:
It is imperative that you do this wrestling attack quickly. This move is great because you can end up with back points if you do the finish to a turk correctly.
This wrestling video starts off showing some great workouts for wrestlers. This guy shows some pretty crazy conditioning workouts, I would say they are not suited for very young wrestlers and they do require a mat so that injury does not occur. It also shows a few moves.