http://www.renderosity.com/mod/tutorial/index.php?print=606 making a full mat pose using Mat Pose Editor

http://www.renderosity.com/mod/tutorial/index.php?print=60 another on making a full mat pose

http://www.daz3d.com/i.x/tutorial/tutorial/-/tutorial?id=1142 making a partial mat pose 

http://forum.daz3d.com/viewtopic.php?t=37454&highlight=partial+mat+poses Daz equivalent of mat poses