Ko te Jack Plank on Medicine Ball he mahi hihiri, tinana katoa e whakakotahi ana i te whakangungu kaha me te cardio, me te aro nui ki te matua, ringa me nga waewae. He pai mo nga tangata takitahi kei te taumata takawaenga ki te taumata whakapakari tinana, e whai ana ki te whakapiki ake i o raatau tino pumau, oro uaua, me te kaha katoa. Ka taea e te tangata te whiriwhiri i tenei mahi mo tona kaha ki te tahu kaarai, te whakanui i te toenga, me te whakapai ake i te ruruku, katoa i roto i te mahinga kotahi, he wero.
Ae, ka taea e te hunga timata te mahi i te Jack Plank mo te korikori Poi rongoa. Heoi, he mea nui kia timata ma te poi rongoa mama me te pupuri i te ahua tika kia kore ai e whara. He mea nui ano hoki te whakarongo ki to tinana me te whakamutu mena ka raru tetahi mea. Mēnā he tauhou koe ki te whakapakari tinana, he āwangawanga hauora rānei koe, he pai tonu te kōrero ki tētahi tohunga ngaio tinana, kaiwhakarato hauora ranei i mua i te tiimata i te mahi korikori tinana hou.