YOU SAID:

My back cracked because my mom Slapped my dog

INTO JAPANESE

ママが犬を叩いたので背中が割れた

BACK INTO ENGLISH

My mom hit the dog and my back was broken

INTO JAPANESE

お母さんが犬にぶつかって背中が壊れた

BACK INTO ENGLISH

Mom hit a dog and my back broke

INTO JAPANESE

ママが犬にぶつかって、私の背中が壊れた

BACK INTO ENGLISH

Mom hit a dog and my back broke