When many states have cut their wellness and education programs for inmates, citing cost and political pressures, some wardens looking for a low-cost, low-risk way for inmates to reflect on their crimes, improve their fitness and cope with the stress of overcrowded prison life are turning toward yoga. “This seems like a relatively inexpensive technique that could be made available to inmates and doesn’t take a lot of space,” said Steven Belenko, a professor of criminal justice at Temple. “It could be taught with DVDs. It has scalability.”