3d max animation/pose mirror problems

[fallwish]

Hello everyone, I just trying to "mirror" my pose to anti axis in 3d max, Then I export and take a test, The pose seems work fine but the meshes(skinning) are not match the pose position after "mirror" process, anyone was ask about this problems before? If anyone can teach me how to solve it, I will so grateful all of you try to help me, thanks. 

 

 

original pose

http://i.imgur.com/4GAgKOy.png

 

http://i.imgur.com/W0lANHd.png

after mirror

http://i.imgur.com/QIZr3lk.png

http://i.imgur.com/DJQpwMC.png

http://i.imgur.com/ni243vL.png