Isandiso sangemuva kuwumsebenzi osetshenziselwa ukwakha amandla aphansi emuva aphinde aqondise ama-hamstrings nama-glutes.Iphinikhodi ye-Hammer Strength Loaded Selection Back Extension iyingxenye eyisisekelo yokuqeqeshwa kwamandla.Kukhona indlela yokuqala elungisekayo enezimo ezinhlanu yokukhethwa kobubanzi bokunyakaza ngakunye, i-lumbar pad isiza abasebenzisi ukuthi bathole kahle indawo ye-eksisi yokuzungezisa, kanye nezindawo ezimbili zezinyawo ezingasheleli zilingana bonke osayizi.