the "down" command

Today I went to the training camp again. The trainer tried to have me go down to my stomach. Of couse I refused. That is a submissive position and there was no way I would do it. I had three other trainers during the past five years and I had never done the "down" command. This trainer was so determined. After tricking me with a treat where I went down once, I figured out and stood my ground, literally. Shiba inus are not submissive on command, doesn't she know that?