Makina osindikizidwa ndikusintha kwa osindikizira, zolimbitsa thupi zomwe zimagwiritsidwa ntchito polimbitsa minofu. Makamaka osindikizira ndi njira yoyendetsa yomanga yopanga ndi kumanga thupi loyenerera. Kugwiritsa ntchito barbell kumathandizira munthu kuti alimbikitse mbali iliyonse ya minofu chimodzimodzi. Kuchita masewera olimbitsa thupi kumaphatikizidwa m'matumbo olimbitsa thupi, kukankha, masewera olimbitsa thupi, thupi lonse masewera olimbitsa thupi, komanso masewera olimbitsa thupi. Chikopa chofewa chizikhala bwino.