Injin Pectoral ya dace da ƙara ƙarfin ƙirji da kuma yawan tsoka ta hanyar nisantar tsokoki na pectoralis. Kuna da nau'ikan tsokoki biyu na pectoral a kowane gefen gaban ƙirjinku: babban pectoralis da ƙaramin pectoralis. Wannan motsa jiki galibi yana amfanar da babban pectoralis - mafi girma daga cikin tsokoki biyu waɗanda ke da alhakin motsi a haɗin gwiwa na kafada.
1. Bututu: Ya ɗauki bututun murabba'i a matsayin firam, girmansa shine 50*80*T2.5mm
2. Matashi: tsarin kumfa na polyurethane, saman an yi shi ne da fata mai zare
3. Karfe na Kebul: Babban Kebul na Kebul na Dia.6mm, wanda ya ƙunshi zare 7 da tsakiya 18