Ibisobanuro ku bicuruzwa:
1.Bishobora kwomekwa kumwanya uwo ariwo wose ufite umwobo n'uburebure bukwiye.
2.Ushobora kurangiza imyitozo itandukanye yumubiri hamwe na barbell.
3.Bifite ibikoresho bihinduranya kandi birebire, kugirango bishobore kuzunguruka 180 ° transvers na longitudinal.
