The Abdominal Crunch imagwiritsa ntchito minofu yapakati yam'mimba. Gwirani zogwirizira ndikugwedezani pokokera zigono zanu molunjika mawondo anu. Minofu yomwe ili m'mbali mwa mimba yanu imatha kugwira ntchito ngati mpando wapotoka. Makina a Crunch nthawi zambiri amagwiritsa ntchito kukana kowonjezera monga ma stacks olemera osankhidwa kapena kukweza mbale, ndipo nthawi zambiri amachitidwa mokhazikika mpaka kubwereza, monga 8-12 reps pa seti kapena kupitilira apo, monga gawo la gawo lokhazikika la masewera olimbitsa thupi.