Ukwandiswa kwemilenze, noma ukwandiswa kwedolo, uhlobo lokuzivocavoca ngamandla. Kuyisinyathelo esihle kakhulu sokuqinisa ama-quadriceps akho, angaphambili kwemilenze yakho engenhla.
Ukwelulwa kwemilenze kuwukuzivocavoca okuvame ukwenziwa ngomshini wokugoqa. Uhlala esihlalweni esinophahla bese uphakamisa induku enesiphahla ngemilenze yakho. Lo msebenzi usebenza kakhulu emisipha ye-quadriceps yangaphambili yethanga—imisipha ye-rectus femoris kanye ne-vastus. Ungasebenzisa lo msebenzi ukwakha amandla omzimba aphansi kanye nokuchazwa kwemisipha njengengxenye yokuzivocavoca kokuqeqeshwa kwamandla.
Ukwelulwa komlenze kuhlose ama-quadriceps, okuyimisipha emikhulu yangaphambili yethanga. Ngobuchwepheshe, lokhu kuwukuzivocavoca "okuvulekile kwe-kinetic", okuhlukile "kokuzivocavoca kwe-kinetic kwe-closed chain," njenge-ukugoqa.1 Umehluko uwukuthi ku-squat, ingxenye yomzimba oyivivinyayo inamathele (izinyawo phansi), kuyilapho ku-extension yomlenze, uhambisa i-padded bar, okusho ukuthi imilenze yakho ayimi njengoba isebenza, ngakho-ke uchungechunge lokunyakaza luvulekile ku-extension yomlenze.
Ama-quad athuthuke kahle ekugibeleni amabhayisikili, kodwa uma i-cardio yakho igijima noma ihamba, uvame ukuzivocavoca ama-hamstrings ngemuva kwethanga. Kulokhu, ungase ufune ukuthuthukisa ama-quads ukuze alingane kakhudlwana. Ukwakha ama-quads akho kungandisa namandla okunyakaza kokukhahlela, okungaba wusizo kwezemidlalo ezifana nebhola noma ubuciko bokulwa.