http://www.collegehumor.com/tag/sit-up Funny Videos, Funny Pictures, Funny Links! /video/6703225 http://www.collegehumor.com/video/6703225/hardly-working-sit-ups Fri, 03 Feb 2012 10:47:13 -0500 /video/5908827 http://www.collegehumor.com/video/5908827/cat-attempts-murder Thu, 28 Jan 2010 11:44:58 -0500 /video/1035682 http://www.collegehumor.com/video/1035682/monkey-sit-ups Fri, 11 May 2007 11:40:15 -0400