Ko te Roll Ball External Oblique he mahi whakakaha me te whakakorikori i nga uaua tapapa, te whakaniko i te tino pumau me te whakapai ake i te kaha o te tinana. He pai mo nga kaitakaro, kaingākau tinana, me nga tangata e whai ana ki te whakapai ake i o raatau kaha matua, ki te tarai ranei i o raatau puku. Ko te mahi i tenei mahi i ia wa ka taea te whakanui i to mahi i roto i etahi atu mahi kori tinana, te whakapai ake i te tuunga, me te whai waahi ki te tautuhi pai, ki te taurite o te tinana.
Ae, ka taea e te hunga timata te mahi i te Roll Ball External Oblique. Heoi, he mea nui kia timata me te taumaha mama ake me te aro ki te ahua tika kia kore ai e whara. E taunaki ana kia whai kaiwhakangungu whakapakari tinana, ma tetahi tohunga ranei hei arahi i a koe i roto i nga mahi i te tuatahi kia tika ai to mahi. Me mahara tonu ki te whakamahana i mua i tetahi mahi ka whakamatao i muri mai.