Arm Topology

The last time I modeled a human, my arms didn’t animate too well, so I am trying a different topology.

Heres a pic, is there anything wrong with it?

http://img526.imageshack.us/img526/2932/armtopologyrg4.jpg

http://www.subdivisionmodeling.com/forums/showthread.php?t=907&page=5

Ok, what about now:

http://img517.imageshack.us/img517/6407/armtopologywb4.jpg