Whitcome

基本解釋

"It generates loading on parts of the vertebral column that are not normally under such stress," Whitcome said.
“這會使得脊椎的有些部位產(chǎn)生比平常更大的壓力”威特卡母說道。
And the shape of the vertebrae in women tapers off toward the back, creating a wedge shape that further facilitates arching, Whitcome said.
婦女身體里的椎骨呈椎形向后，形成一個楔形更容易搭成拱形。
"Bipedalism challenges stable postures, because the abdomen expands in front of the body as the baby grows," said Katherine Whitcome, an anthropologist at Harvard University.
哈佛大學的人類學家凱瑟林。懷特卡母說道：“因為在小孩生長時肚子向前面伸展，兩足動物要努力保持一個穩(wěn)定的姿勢”。
"The female characteristics, which are explained by the biomechanics of fetal load, are present in the fossil record, suggesting that these adaptations evolved very early in humans," Whitcome noted.
例如，研究者們在200萬年前非洲南古代猿人的化石中發(fā)現(xiàn)了在腰部的脊椎的這種特殊的特征。