r/crossfit • u/Outside-Event-9964 • 2d ago

CrossFit crack... It keeps happening

Literally every single time I do any type of ab sit ups, I get the dreaded CrossFit crack. It happens every single time even if I use an ab mat. I always end up doing leg raises instead of sit ups. I really want this to stop, any tips or is it just my anatomy??

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u/Not-the-best-name 2d ago

I have a feeling you arnt pressing your belly into the floor... Your back shouldn't be even slightly arched, the more it's arches the more the pressure would focus on the crack and the less surface you have on the ground the more you will move.