Marcin Nowysz, 39, who runs Perun Strength on Bank Plain, says people have become "disillusioned" with "quick fixes" in a bid to lose weight.

He said: "They often have been psychologically and physically hurt by the prevailing 'diet culture'."

A look inside the gym on Bank Plain (Image: Marcin Nowysz) READ MORE: Shop owners reveal secret that keeps their Royal Arcade business flourishing

But the gym wants to change people's perceptions that small........

© Norwich Evening News