Right now, without thinking, do some slow push-ups till you're tuckered.
There is no doubt that the surge in adolescent obesity is real. As a father of two wonderful young lasses, I am in their school yards virtually everyday and see it first hand. I will say however that, at least in New York City, most kids appear to be of normal body weight. The truly obese kids - the ones who need immediate care - are rare.
Bacon cups! BACON CUPS!!
[youtube=http://www.youtube.com/watch?v=pFIe2ZcSTXk&w=100&h=100]
The above article titled Muscular Contraction with Measured Movement is from a March 1962 issue of Strength and Health magazine. The article was written by the late Bob Hoffman, founder of the infamous York Barbell Company. The men and women who made up the York company and the enthusiasts who followed their regimens were and still are considered among the "heart and soul" of modern body building and athletics.