#1 you must remember that these guys don't train like bodybuilders OR powerlifters. I have read up on olympic lifting a long time. They work on explosive power, the NEVER work out isolated muscles like arms. They work on powering the weight up and using momentum, you must move weight from point A to point B as quick as possible. One you get it moving you'd be suprised how much momentum takes over. I'm sure there was a little enhanced chemicals involved, but not to the degree that you would think..seriously. Search the web, there is great info on that style. I also got my numbers up naturally powerlifting to a 325 bench 420 dead & 405 squat, so believe me it's all their training, drugs are the icing on the cake, not the foundation!