Iine underwater treadmill ( water treadmill ) kurapa kwemuviri, kureba kwekuita maekisesaizi nguva inosanganiswa nekuwedzera kwekudzivirira kwemvura.Izvi zvinoita kuti mwoyo utsungirire, izvo zvinoita kuti murwere arambe akagwinya. Inogona kushandiswa muzvipatara, makirabhu ehutano, mahotera, mudzimba, uye nemajeti akazvimirira.