The Crunch ndi masewera olimbitsa thupi omwe amayang'ana minofu ya m'mimba, kuthandiza kukonza kaimidwe, kulimbitsa thupi, ndi kulimbikitsa pachimake. Ndi masewera olimbitsa thupi abwino kwa okonda masewera olimbitsa thupi amisinkhu yonse, kuyambira oyamba kumene mpaka othamanga odziwa bwino ntchito, chifukwa cha kuphweka kwake komanso kusinthasintha. Anthu angafune kuphatikiza ma crunches muzochita zawo zolimbitsa thupi kuti apange mphamvu m'mimba, kuthandizira mayendedwe atsiku ndi tsiku, komanso kuchepetsa ululu wammbuyo.
Inde, oyamba kumene angathe kuchita masewera olimbitsa thupi. Ndi ntchito yofunika kwambiri yolimbitsa thupi yomwe imayang'ana minofu ya m'mimba. Komabe, ndikofunikira kuchita bwino kuti musavulaze chilichonse. Ndibwino kuti muyambe pang'onopang'ono, mwinamwake ndi 10 crunches panthawi, ndipo pang'onopang'ono muwonjezere chiwerengero pamene mphamvu zanu zikukula. Ndibwinonso kupeza chitsogozo kuchokera kwa akatswiri olimbitsa thupi kapena kuwonera makanema ophunzitsira kuti muwonetsetse mawonekedwe ndi njira zolondola.