They did use something very similar once the soft tissue stuff started going ape-shit. The guy I spoke to in the club thought that was what it was all about when it all broke. Blood pinging, which is what Chapman used to get up for 2009 grand final.
It was very expensive, like the hyperbaric stuff. They had no effect on the soft tissue problems and was going well over budget. This is what he got sacked for. Well the fact that he was highly paid arrogant prick who then proceeded to run a program that went massively over budget and failed miserably. The controversy was a not known last year and just another reason to regret every hiring this man.
I'm pretty sure that what Chapman used for the 09 was banned in 2010, so I'd keep quiet on that.... oops its on the internet.
http://www.injuryupdate.com.au/forum/showthread.php?10376-AFL-bans-blood-injection-into-muscles