Umupira wamaguru ni siporo ishobora guteza akaga.Rugby igomba kuza kumwanya wa kabiri wa siporo yica nyuma yo kurwana niba siporo yose ifatwa nkibyangiza.Ni iki mu byukuri ingofero y'umupira w'amaguru ikora?Mubyukuri, iki kibazo kirashobora gukemurwa byoroshye.Umwuka wo mu kirere mu ngofero y'abakinnyi ukora nk'uburyo bwo gukosora no gukingira.Mugihe cy'imikino ishyushye ya NFL, kurinda umunwa ni ngombwa kugirango wirinde gukomeretsa mu maso no mu menyo.Gukomeretsa kwaho, gukuramo uruhu, kubabara ingingo, kunanirwa imitsi, nizindi nkomere bikunze kugaragara muri ruhago, ariko guhungabana bifitanye isano cyane na ruhago kandi ntibishobora no gufatwa nkindwara za rugby.Ndetse no kurinda ingofero, ibikomere bikomeye ntibishobora kwirindwa rwose

Biboneka nkigikoresho cyimpinduramatwara yimikino, ingofero yizewe mumateka ya NFL.Abakinnyi benshi ba NFL bambara iyi ngofero.Ariko yashizweho kugirango yoroshe gukubita umutwe wabakinnyi ba NFL.Abahanga, neurosurgueons naba injeniyeri bakoze ingofero basobanuye neza ko bitazarinda guhungabana.Nta ngofero ishobora gukora ibyo.