I think the author of this article has completely missed the point of stretching. It has absolutely nothing whatsoever to do with increasing or decreasing your overall muscle strength. Additionally it has nothing to do with preventing injury or warming up either. In actuality stretching for humans is the same thing as frogs inflating their bellys. It is solely to attract the opposite sex.

Study after study has proven than men who stretch their forarms (also known as guns) in front of women have a greater likelyhood of mating. It's a known fact also that women who do yoga are more likely to excel in the reproductive arts.

A more interesting study would be the effect of biker shorts on your ability to determine potential danger (such as a speeding car) or how fanny packs have led to retardation and uneven hair growth (re. the mullet)