during a routine strip search, hankins snapped. >> i used to get frustrated. drive me to where i would be worked up and wanting to you know get at them. >> hankins is serving life without parole for killing a grocery store clerk during a robbery. in this super max facility he is not allowed contact with other inmates. but he is released from his cell for an hour of daily solitary exercise. it's what keeps him going. >> being locked down all day long, every day for 23 hours a day and coming out in a little room to work out, you know, was a difficult first couple of years, but then i realized, you know, i'm just giving myself high blood pressure. >> while "lockup" crews have shot dozens of workout routines, the strangest has to have been at the miami-dade county jail where the two inmates covered their faces to remain anonymous. >> i'm a trainer, you know? >> after a round of what they called bed lifts they showed us how they do chin ups in the showers. but correctional staff took a dim view of their workout routine. >> yo, man, you got to get off that bar. >> t