Why men love women with big curvy butts

In short, male preference for this specific anatomical form likely evolved because it enabled women to sustain multiple pregnancies without injury and to forage productively during pregnancy.

For the study, more than 300 men rated the attractiveness of female silhouettes that had lumbar curvatures ranging from 26 to 61 degrees.

The men found a moderate curvature — about 45.5 degrees — to be just right. Such a curvature would have conferred evolutionary advantages without presenting health problems like back pain and slipped disks, the researchers said.

The researchers also found the structure of the spine itself, rather than just the buttocks’ fat and muscle, is key.

“Men may be directing their attention to the butt and obtaining information about women’s spines, even if they are unaware that that is what their minds are doing,” Dr. David Lewis, a psychologist at Bilkent University in Turkey and the study’s lead author, told the Daily Mail. “Alternatively, men may have preferences for both lumbar curvature and buttock size. Future research is needed to better understand the latter.”

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