Ƙwararren triceps shine keɓewar motsa jiki wanda ke aiki da tsoka a baya na hannun sama. Wannan tsoka, wanda ake kira triceps, yana da kawuna uku: dogon kai, kai na gefe, da kai na tsakiya. Kawuna uku suna aiki tare don mika hannun gaba a haɗin gwiwar gwiwar hannu. Motsa jiki na tsawaita triceps shine keɓewar motsa jiki saboda ya ƙunshi motsi a cikin haɗin gwiwa ɗaya kawai, haɗin gwiwar gwiwar hannu.