Evost Series Back Extension e na le moralo oa ho tsamaea o nang le lirolara tsa morao tse fetolehang, tse lumellang motho ea ikoetlisang ho khetha ka bolokolohi mefuta e fapaneng ea motsamao. Thepa e atolositsoeng ea thekeng e fana ka tšehetso e phutholohileng le e babatsehang ho pholletsa le mefuta eohle ea ho sisinyeha. Sesebelisoa sohle se boetse se rua melemo ea Evost Series, molao-motheo o bonolo oa lever, boiphihlelo bo botle ba lipapali. Mehato ea maoto a mabeli e lumella basebedisi ho khetha boemo bo botle ka ho fetisisa ba ts'ehetso bo itšetlehileng ka mefuta e mengata ea ho sisinyeha, ha matsoho a mahlakoreng a mabeli a fana ka tšehetso e eketsehileng bakeng sa botsitso bo ntlafetseng ba koetliso.