Hourglass figure girls - Girls with narrow waists and wide hipsThe hourglass figure is one of four traditional female body shapes described by the fashion industry. The other shapes are the rectangular, inverted triangle, and spoon. The hourglass shape is defined by a woman's body measurements- the circumference of the bust, waist and hips. Hourglass body shapes have a wide bust, a narrow waist, and wide hips with a similar measurement to that of the bust. This body shape is aptly named for its resemblance to that of an hourglass where the upper and lower half are wide and roughly equal while the middle is narrow in circumference, making the overall shape wide-narrow-wide. Women who exhibit the hourglass figure have been shown to be more admired, which can put pressure on women whose body shapes are much different to strive to achieve the hourglass figure. This can lead to body dissatisfaction which can cause eating disorders in young women from all over the globe.
It has been proposed by scientists that the evolutionary reason for the female body shape is due in part to this sexual selection. Sex-typical body shapes (a man's muscular physique and a woman's hourglass figure) are an outcome of evolutionary adaptation for reproductive fitness because they convey information about gene quality, health and fertility, which are important elements for mate selection. Bipedalism may be related to the differences of the female and male body shapes. During pregnancy a woman's body is transformed so it is properly able to carry the baby. To prevent the center of gravity in a women's body from being off balance, it is believed that evolution could have favored fat deposits in the gluteal region and the thighs.
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