Kukokera kumbuyo ndi ntchito yolemetsa yomwe imaphunzitsa ma lats.Kuyenda kumachitidwa pamalo okhala ndipo kumafuna thandizo la makina, nthawi zambiri amakhala ndi discus, pulley, chingwe, ndi chogwirira.Kugwirana chanza kwakukulu, maphunzirowo adzayang'ana kwambiri pa lats;mosiyana, kuyandikira kwambiri kumagwira, maphunzirowa adzayang'ana pa biceps.Anthu ena amazoloŵera kuika manja kumbuyo kwa khosi pamene akugwetsa pansi, koma kafukufuku wambiri wasonyeza kuti izi zidzabweretsa kupanikizika kosafunikira pa khomo lachiberekero la vertebral disc, zomwe zingayambitse kuvulala kwa rotator pazovuta kwambiri.Kaimidwe koyenera ndikokokera manja pachifuwa.