Indlela yokwelapha evame ukusetshenziswa ekuvuseleleni izinja ze-arthritis noma izinja ezilulame ekuhlinzweni ukusebenzisa i -treadmill engaphansi kwamanzi (i-dog water treadmill) . Ukushintshwa kwe -treadmill engaphansi kwamanzi ukuthi ukuhamba kwamanzi kuzonciphisa amandla adonsela phansi, ngaleyo ndlela kukhuthaze ukuqeqeshwa kokuhamba. Izinga lamanzi lingalungiswa ngokuya ngobude benja- uma liphansi izinga lamanzi, nesisindo esincane inja esisebenzisayo. Iqiniso liwukuthi ezimweni eziningi, izinja zihlushwa ukulimala noma ukuhlinzwa ngaphandle kokusebenzisa i-treadmill engaphansi kwamanzi futhi isimo sokululama lapho zisebenzisa khona sizoba ngcono kunaleso lapho zilulama khona. Kukhona nezinzuzo eziningi zokuthi abantu basebenzise ama-treadmill, chofoza ukuze ufunde.