YOU SAID:

My dad has a bald round head with very little muscle at all

INTO JAPANESE

私の父は頭が禿げていて、筋肉がほとんどありません。

BACK INTO ENGLISH

My dad has a bald head and few muscles.

INTO JAPANESE

私の父は頭が禿げていて、筋肉が少ない。

BACK INTO ENGLISH

My dad has a bald head and few muscles.