1. Muchina uyu unonyanya kushandiswa kurovedza muviri hombe, Triceps brachii, uye zvakare vanobatsira mukushandisa bicthiiii. Iyi ndiyo michina yakakwana yekuvandudza tsandanyama dzechipfuva, uye idzo dzakakwana tsandanyama tsandanyama mitezo zvese zvakavakirwa kubudikidza nazvo.
2. Hunhu hwayo ndezvekuti zvinogona kubatsira zvakanyanya kunzwa kwechipfuva tsandanyama uye kusimudzira simba rezvibatanidza majoini, uye majoini embenderekedzo, uye majoini. Kugara uye chipfuva kusundira kudzidziswa kunogona kuisa hwaro hwakasimba kune mamwe midziyo yemidziyo yekudzidziswa mune ramangwana, uye rudzi rwakanaka kwazvo rwemidziyo yekugadzira.
BASA ROKUITA: RELECLING CLINE, DIAGONAL CLINE, uye PLECE Press.