Whitcome

基本解释

"It generates loading on parts of the vertebral column that are not normally under such stress," Whitcome said.
“这会使得脊椎的有些部位产生比平常更大的压力”威特卡母说道。
And the shape of the vertebrae in women tapers off toward the back, creating a wedge shape that further facilitates arching, Whitcome said.
妇女身体里的椎骨呈椎形向后，形成一个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.
哈佛大学的人类学家凯瑟林。怀特卡母说道：“因为在小孩生长时肚子向前面伸展，两足动物要努力保持一个稳定的姿势”。
"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，研究者们在200万年前非洲南古代猿人的化石中发现了在腰部的脊椎的这种特殊的特征。