The Abdominal Crunch imagwiritsa ntchito minofu yapakati yam'mimba. Gwirani zogwirira ntchito ndikugwedezani pokokera zigongono ku mawondo anu. Minofu yomwe ili m'mbali mwa m'mimba mwanu imatha kugwira ntchito ngati mpando wapotoka. Makina a Crunch nthawi zambiri amagwiritsa ntchito kukana kowonjezera ngati 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.