Stand Up Testing: A Key to Longevity??

I am not sure if I want to live to 100, but I do want the end to be as graceful as possible. I realize I must do my part (it is only taken my 60 years to sort of figure that out!!) in easing the end. Take the advice of this article and exercise more, the benefits are more significant than you probably realize. 

http://health.yahoo.net/experts/dayinhealth/weird-test-predicts-longevity