Naanị otu mgbanwe ka achọrọ maka onye ọrụ FS Series Selectorized Line Back Extension ka ịmalite mmega ahụ. The nwere ọgụgụ isi imewe na-agụnye a contoured mpe mpe akwa na-akwado azụ maka kwesịrị ekwesị spinal biomechanics n'oge exercise.selectorized ike akụrụngwa atụmatụ nwere ọgụgụ isi emetụ na imewe ihe na-eme ka a eke mmetụta na a n'ezie na-echefu echefu ahụmahụ.
Isi ọrụ:
Mee mgbatị ahụ nke ọkpụkpụ azụ na akwara azụ.
Kọwaa:
1) Tinye ụkwụ gị n'ala na ala ala ma guzoro ọtọ na azụ gị megide ya.
2) Jide aka.
3) Jiri nwayọọ nwayọọ na-aga azụ n'oge mmegharị ahụ niile.
4) Jiri nwayọ laghachi na ọnọdụ mmalite.
5) Nke a kwesịrị iwere 3-5 sekọnd na ntụziaka ọ bụla.