1. Muchina uyu unonyanya kushandiswa kurovedza muviri pectoralis major, deltoids, triceps brachii, uye unobatsirawo mukurovedza muviri biceps brachii. Uyu ndiwo muchina wakakwana wekugadzira tsandanyama dzechipfuva, uye tsandanyama dzechipfuva dzakakwana dzese dzinogadzirwa kuburikidza nawo.
2. Hunhu hwayo ndehwekuti inogona kuvandudza kunzwa kwetsandanyama dzechipfuva uye kuwedzera kusimba kwemapfudzi, majoini egokora eruoko, uye majoini emaoko. Kudzidzira kugara pasi uye kusunda chipfuva kunogona kuisa hwaro hwakasimba hwekudzidziswa kwezvimwe zvishandiso zvesimba mune ramangwana, uye imhando yakanaka kwazvo yemidziyo yesimba.
Kudzidzira: Kudzvanya wakakotama, kudzvanya kwedivi, uye kudzvanya papfudzi.