http://askinyourface.com/2009/07/05/how-much-core-work-does-a-woman-have-to-do-to-have-a-flat-and-fit-looking-mid-section/ An online resource for women's health. Informing and inspiring women to be fit for their future. Wed, 08 Feb 2012 21:42:30 +0000 hourly 1 http://wordpress.org/?v=3.3