Weird movement in stomach not pregnant

So yes im ttc but as far as i know im not pregnant. I have 4 children (all c-section) i know forsure what movement a baby makes.. however i have been feeling movement kinda like little kicks it happens all over my stomach maybe 4-6 times a day and its been happening for a few months 2-3. family and friends say its my muscles but i really aint sure so here i am asking you guys for your thoughts