Y920Z- heaNch?p?ta-r usoroWepu arc na-enye amc nke ngaghar? na oke oke, na-enye nd? ?r? ohere ?z? ?m? na-az? ?d? na biceps. Onwe aka na-emeghar? anya na-eme ka mm?ba d? elu ma kwe ka ?z?z? d? iche iche. Ezigbo ?z? n'?z? ngaghar? na-eme ?z?z? d? nro ma nwee nt?sara ah?.

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Ezuberekwu
●Mmeghari nnwere onwe nke ogwe aka na-enye ?z?z? akwara na-enye echiche ziri ezi ma na-eme ka onye ?r? na-eme ka ?z?z? d? na ya r?? ?r?.

Ezigbo trajectory
●Ulo agha na-eche ihu na-enye arc nke ngaghar? yana oke ngaghar?. ?z?kwa, ?gb? elu nke ngaghar? n'ihu ubu d? mma ma d?kwa mma.

Mara mma
●Ekike eji aka mara mma ma na-enyere aka kesaa ibu a na-ab?kar?, na-eme ngaghar? na-ad?kp? nke ?ma ma d? irè. Mkp?r? osisi ah? d? elu nke aka aka ab?? na-eme ka aka, na-egbochi ending, ma na-egosi akara aka ziri ezi.

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Oseihe nwaanyiNch?p?ta-r usorod? na agba ?h?r?, nke jik?tara ya na ogwe aka nd? ?r? na-enye nd? ?r? ohere maka ngwa ah?a ebu. Itota nke biomechanics nkeNch?p?ta usoroOtutu ezigbo echiche ergonomicallyly, arc nke na - enye mmet?ta nke ibu efu. Ngwa?r? d? elu na ?n? ah?a d? elu b? iheDhz akana-agba mb?.