Discovery-R Series Biceps Curl imatengeranso ma biceps curl omwewo kutsatira mayendedwe a chigongono champhamvu champhamvu chomwe chili pansi pa katundu.Kutumiza koyera kwamakina kumapangitsa kuti katundu aziyenda bwino, ndipo kuwonjezera kukhathamiritsa kwa ergonomic kumapangitsa maphunzirowo kukhala omasuka.