i used that shit back in 2005 after my acl surgery when rehabbing at the "mike kryzewski human performance laboratory" lollll....just had some fatass dude coaching me who claimed he was a walk-on defensive end for auburn....bull sheeettt..vertimax shit hurt my knees a lot...lol i told the dudes there that i wanted to make the nc gators aau team in the spring...used the vertimax shit for a couple months and then got cut...fml