1. Iyi mashini ikoreshwa cyane cyane mugukoresha pectoralis major, deltoide, triceps brachii, kandi ikanafasha mugukoresha biceps brachii. Nibikoresho byiza byoguteza imbere imitsi yigituza, kandi iyo mirongo yimitsi yigituza itunganijwe yose ikorwa binyuze muri yo.
2. Ikiranga ni uko ishobora kunoza neza kumva imitsi yigituza no kongera imbaraga zingingo zigitugu, ingingo zinkokora zamaboko, hamwe nintoki. Kwicara hamwe no gusunika igituza birashobora gushiraho urufatiro rukomeye rwandi mahugurwa yingufu zigihe kizaza, kandi ni ubwoko bwiza bwibikoresho byimbaraga.
Imyitozo ngororamubiri: Kanda kuntebe, gukanda diagonal, no gukanda ibitugu.