one of the best back's i ever seen in off-season man u amazed me , what u Will do in on-season , and the hamstrings there are just breathtaking and amazing , keep the good work on . now i know u are the dexter of amateurs, withe this pre-contest back details i can see Ali amini did some hell of a job withe u sami. withe this kind of back u will do great as a pro bodybuilder in the IFBB.