Checked my measurements today 12-21-2012.

11/04/2012
arms: 16.4
chest: 39.3
forearms: 13.3
shoulders: 50.5
legs: 25.1
calves: 16

12/21/2012
arms: 17
chest: 40.4
forearms: 13.7
legs: 25.5
calves: 16.7