This is from the uo website
Barehanded defense: If the defender is not using a weapon, "weapon skill" will be EITHER Wrestling skill OR (Anatomy + Evaluating Intelligence + 20) / 2; whichever is greater (which means that if you have none of these skills and are barehanded, you'll have a functional weapon skill of 10.)
here is a link to the fof
http://www.uo.com/fof/fiveonfriday99.html
not sure what more you need guess maybe you could wait for a dev to respond to you personally !