I-Fusion Pro Series Back Extension iqinile kwaye kulula ukuyisebenzisa ebonelela ngesisombululo esibalaseleyo soqeqesho lwasimahla lokubuyela ubunzima. Iipads eziguquguqukayo ze-hip zifanelekile kubasebenzisi bobukhulu obuhlukeneyo. Iqonga lonyawo olungatyibilikiyo kunye nokubamba ithole le-roller libonelela ngokuma ngokukhululekileyo, kwaye indiza ene-angle inceda umsebenzisi ukuba asebenze imisipha yangemva ngokufanelekileyo.