Umutoza wa Split Urutugu ashimangira imyifatire ya biomehanike ikwiye hamwe na ergonomic central axis hamwe nintwaro zamakuru. Imyanya ibiri yimyanya iteza imbere imyitozo yimyitozo ngororangingo. Igitugu cyigitugu cyo hasi-cyerekana umunara gitanga ifunguye, yagutse ndetse no muri siporo nto.