The triceps extension ke boikoetliso ba ho itšehla thajana bo sebetsang mesifa e ka morao ea letsoho le ka holimo. Mosifa ona, o bitsoang triceps, o na le lihlooho tse tharo: hlooho e telele, hlooho e ka morao, le hlooho e bohareng. Lihlooho tse tharo li sebetsa 'moho ho atolosa forearm lenonyeletsong la setsoe. Boikoetliso ba triceps ke boikoetliso ba ho itšehla thajana hobane bo kenyelletsa ho sisinyeha ka lenonyeletso le le leng feela, lenonyeletso la setsoe.