I just read this article about a 74 year old woman who lifts (and boy does she looks good)...what an inspiration!

http://www.washingtonpost.com/lifestyle/magazine/six-pack-abs-at-age-74-age-is-nothing-but-a-number-says-guinness-world-records-oldest-competitive-female-bodybuilder/2011/03/16/AG5lGvCH_story.html