YOU SAID:

i had a scutter up my back

INTO JAPANESE

私は私の背中をスカルターにしていた

BACK INTO ENGLISH

I was sculpting my back

INTO JAPANESE

私は背中を彫っていた

BACK INTO ENGLISH

I carved my back

INTO JAPANESE

私は私の背中を刻んだ

BACK INTO ENGLISH

I carved my back