E4004A- NkeUsoro ?d?Emebere igwe pectoral ka ? r?? ?r? nke ?ma n'?t?t? akwara pectoral ka ? na-ebelata mmet?ta nke ihu akwara deltoid site na usoro mmeghar? ah? dara ada. N'ime usoro ihe eji ar? ?r?, ogwe aka mmeghar? nke onwe ya na-eme ka ike na-ar? ?r? nke ?ma n'oge usoro ?z?z?, na ?d?d? ?d?d? ha na-enye nd? ?r? ohere ?nweta usoro mmeghar? kachas? mma.

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Oche nwere ike idozi
●Mpempe oche a na-emeghar? emeghar? nwere ike tinye ?n?d? pivot chest nke nd? ?r? d? iche iche d?ka nha ha si d? iji nweta mmega ah? d? irè.

Ezigbo ergonomics
●Mpempe ikpere ?kw? na-ebufe ike ozugbo na uru ah? e bu n'obi. A na-ebelata nt?ghar? mp?ta nke ogwe aka iji belata nr?gide nkwonkwo ubu.

Ntuziaka bara uru
●Mpempe akw?kw? ntuziaka ah? d? mma na-enye nt?z?aka site na nz??kw? maka ?n?d? ah?, mmeghar? ah? na akwara ar? ?r?.

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Na-esiwanye tozuru okè mmep?ta nkà nhazi, na imewe nke n'ak?k? cover style, iwekota naIhe Nketa Omenala Na-ad?gh? Anya - Akpara, DHZmalitere mgbal? mb? iji jik?ta omenalaIhe nd? Chinana ngwaah?a, naUsoro ?d?amuru site na nka. N'ezie, otu biomechanics na àgwà ngwaah?a a p?r? ?dabere na ya ka b? ihe kacha mkpa. Njirimara nke ?d? Chinese b?kwa mmalite nke aha usoro.