Kuphela uhlengahlengiso olunye olufunekayo kumsebenzisi weFS Series Selectorized Line Back Extension ukuqalisa umthambo. Uyilo olukrelekrele lubandakanya i-contoured pad ukuxhasa umva we-spinal biomechanics efanelekileyo ngexesha lokuzilolonga.izixhobo zamandla ezikhethiweyo zibandakanya ukubamba okukrelekrele kunye nezinto zoyilo eziphumela kwimvakalelo yendalo kunye namava akhumbulekayo ngokwenene.
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