Makina a MND-H4 Arm Curl/Triceps Extension amatenga chitoliro chachitsulo, chomwe chimapangitsa kuti chikhale chokhazikika, chokhazikika komanso chosavuta kuchita dzimbiri. Chogwirizira chake ndi chosasunthika chimapangitsa kukhala kosavuta kwa wochita masewera olimbitsa thupi kuti azolowere kaimidwe koyenera, zomwe zimapangitsa kuti maphunziro otumizako azikhala omasuka. Magiya asanu ndi limodzi osiyanasiyana amapereka kukana kosiyana kwa wophunzitsa, kulola ophunzitsa osiyanasiyana kupeza njira yoyenera yochitira masewera olimbitsa thupi.
Makina a MND-H4 Arm Curl/Triceps Extension ndi makina abwino kwambiri ogwirira ntchito kumtunda kwa mkono, womwe ndi wosavuta kugwiritsa ntchito, wowoneka bwino. Mapangidwe osavuta kugwiritsa ntchito amapangitsa kugwira ntchito kukhala kosavuta, kothandiza, kosangalatsa komanso kokhutiritsa.
Imakhala ndi chophatikizira chophatikizira ma bicep/triceps grip komanso kusintha koyenera koyambira mutakhala pamakina. Ma ratchet osinthira mpando umodzi kuti akhazikitse bwino masewera olimbitsa thupi komanso kutonthozedwa bwino. Ogwiritsa ntchito amatha kuphatikizira kulemera kowonjezera ndi kukankha kosavuta kwa lever kuti awonjezere ntchito.