With between 18 and 30 per cent of the populations of developed countries living in rural locations, this market will be the next frontier for expansion in the fitness industry, according to insight published in HCM magazine. The challenge is creating the right business model. Fit+ is a staffless and digitalised concept which founder Torsten Boorberg believes can work anywhere. A 390sq ft (36sq m) club in Bad Doberan, Germany,