I-Abdominal Crunch ivocavoca imisipha yesisu sakho esiphakathi. Bamba izibambo futhi uhlikihle ngokudonsela izindololwane zakho emadolweni akho. Imisipha eseceleni kwesisu sakho ingasebenza uma isihlalo sisontekile. Imishini ye-crunch ivamise ukusebenzisa ukumelana okungeziwe ngendlela yezitaki zesisindo ezikhethiwe noma ukulayishwa kwepuleti, futhi kuvame ukwenzelwa ukuphindaphinda okumaphakathi kuya kokuphezulu, njengokuphindaphinda okungu-8-12 ngesethi ngayinye noma ngaphezulu, njengengxenye yengxenye egxilwe kakhulu yokujima.