why are girls more flexible?
<answer> Girls are more flexible because they have a stronger and more bendy, lower back than males. <context> Why the female of the species is more bendy than the male. By DAVID DERBYSHIRE. Last updated at 12:25 13 December 2007. It has been obvious to anyone watching Strictly Come Dancing that women tend to be more flexible than men. For every supple Flavia Cacace, there's a slightly more stiff and awkward Gethin Jones. Now scientists think they know the answer why. A study suggests that females have a stronger and more bendy, lower back than males. Scroll down for more ... The differences evolved over millions of years to let expectant mothers stay mobile during pregnancy without the weight of a baby causing them to topple over.