how smart is your foot?

I saw this on a blog and tried it....a few times... ok... a lot of times. "I bet you'll keep trying at least 50 more times to see if you can outsmart your foot, but you can't. 1. While sitting at your desk, lift your right foot off the floor and make clockwise circles. 2. Now, while doing this, draw the number "6" in the air with your right hand.Your foot will change direction. And there is nothing you can do about it. "
*sigh*