I-biomechanics yomsindo ye-FF Series Selectorized Line Glute Extension iletha ukujima okuhlukile, okuqondiswe kumsebenzisi. Iphedi ye-elbow, izibambo kanye nepulatifomu enkulu yesisekelo kuqinisa umsebenzisi ngesikhathi sokujima futhi kulethe ukunyakaza okubushelelezi, okugelezayo nokunembile.
Iphedi yendololwane, izibambo kanye neplatifomu enkulu yezinyawo zenza umsebenzisi azinze ngesikhathi sokuzivocavoca.
Ubude bengalo yokunyakaza buhlinzeka ngokunwetshwa okukhulu kwesinqe, okukhuthaza ukusebenza kwe-glute ngesikhathi sokuzivocavoca.
Akukho zinguquko ezidingekayo ukuze kuqalwe lokhu kuvivinya umzimba. Kunikeza isiqalo esisheshayo kubo bonke abasebenzisi.
Ukulungiswa kwesihlalo esinama-ratchet kudinga ukuphakanyiswa kuphela ukuze kukhululwe i-lever. Izibambo zifaka imikhono yerabha engasheleli enezivalo zokugcina ze-alloy ezenziwe ngomshini. Izindawo zokulungisa zigqanyiswa ngombala ohlukile ukuze kube lula ukuzisebenzisa.
Indlela yokunyakaza egobile ayidingi ukuhambisana kwenqulu. Ingalo ende yokunyakaza ikhuthaza ukwelulwa kwedolo ukuze kube nokubandakanyeka okugcwele kwe-gluteal. Iphedi yendololwane, izibambo kanye nepulatifomu enkulu yesisekelo kuqinisa umsebenzisi ngesikhathi sokuzivocavoca. Isisindo I-Stack engu-70 kg