Male focus on a woman’s bottom shows attraction is not arbitrary

A man’s preference for a curvy backside dates back to prehistoric influences, report a team of psychologists.

Their study “conclusively shows” that men prefer women with specific angles of spinal curvature and they have calculated the optimal curvature to 45.5 degrees from back to buttocks.

In other words, it’s the small of a woman’s back rather than the size and shape of her bottom that gets a man going.

The researchers say this spinal