>> being locked down all day long, every day, for 23 hours a day, coming out in the little room to work out, it was a difficult first couple of years but then i realized 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 by two inmates who covered their faces to remain anonymous. >> with the arm right here, and the chest. i'm a trainer. you know? i got him this big. >> after a round of what they called bed lifts, they showed us how they do chinups in the showers. but correctional staff took a dim view of their workout routine. >> yo, man, you got to get off that bar. >> that's it? >> that's it for that. no more of that workout stuff.