Kuphela uhlengahlengiso olunye olufunekayo kumsebenzisi weFS Series Selectorized Line Back Extension ukuqalisa umthambo.Uyilo oluhlakaniphile lubandakanya i-contoured pad ukuxhasa umva we-spinal biomechanics efanelekileyo ngexesha lokuzilolonga.izixhobo zamandla ezikhethiweyo zibandakanya ukubamba okuhlakaniphile kunye nezinto zoyilo ezibangela ukuvakalelwa kwendalo kunye namava akhumbulekayo ngokwenene.
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