>>75479368
>Pretty much anything where you're hanging from your hands and moving your legs
is iliopsoas botino cretino
>A lot of crunch exercises are sucky
all of them botardo retardo, that's why i invented new one that isolates abs from iliopsoas
>the role of abs is to stabilize the spine, not introduce curvature in it
u are not introducing any curve in lumbar spine u are flexing it i.e. straightening lordosis when u keep your:>>75475174
>legs loose and gultes soft as u crunch, as u lie in ur bed or on matress in gym u crunch - bring ribs to pelvis via lumbar flexion (sink lower spine down) and pelvis to ribs via posterior pelvic tilt WHILE your legs and glutes are soft
it is in fact the act of stabilising spine in saggital plane what i came up with
>and bad for your back
well yeah - that is my whole fucking point - shortening stiffening and aggravating psoas when u try to get abs is indeed very bad for spine and pelvis because this short stiff and thick motherfucker u have built with "abs" motions will pull both spine and pelvis out of healthy alignment
>Planks
yes also iliopsoas only bototo idioto, yes it's equally bad as hanging leg raises

>>75479322
fetch bitch bot, u have lotta work to do :D

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what is the least retarded ab exercise with no equipament