http://perso.wanadoo.fr/werwack/maxscript.htm this script might help, but also needs keys already set. I think you can define a "skinpose" with the bones, which would be that static frame I can also recommend the "anipose" script, its really good too. http://www.chuggnut.com/scripts/anipose/ver3/Anipose%20install.mzp
Well I give up, I didn't see anything in a search of Scriptspot either. Best bet is to ask on the Discreet... cough... Autodesk forum. Someone's gotta know the answer to this seemingly basic question. If Ryno or KingofDaveness were around I'm sure they'd have an answer.