1. Iyi mashini ikoreshwa cyane cyane mugukoresha major pectoralis, detoide, Triceps Brichii, kandi ifasha kandi gukoresha Biceps Brachii. Nibikoresho byuzuye byo guteza imbere imitsi yo mu gatuza, kandi iyo mirongo yuzuye y'imitsi yose iratera imbere.
2. Biraranga nuko ishobora kunoza neza imitsi yo mu gatuza kandi ikazamura imbaraga z'igitugu ingingo, inkokora ihuriweho n'intoki, hamwe n'intoki z'intoki. Amahugurwa yo kwicara no mu gatuza arashobora gushyiraho urufatiro rukomeye kubindi bikoresho byingufu mugihe kizaza, kandi ni ubwoko bwiza bwibikoresho byimbaraga.
Imyitozo ngororamubiri: Isoze itangazamakuru, ikarito ya diagonal, nibitugu.