With a small, advanced brain, long arms, long legs and an advanced pelvis, Australopithecus sediba is described as probably a transitional species between Australopithecus Africanus and Homo habilis.
有一个小小的突出的脑袋，长长的手臂和腿以及突出的骨盆，根据描述古猿sediba很有可能是古猿Africanus和能人之间的过渡性物种。
Then lift the lower back ribs away from the pelvis to keep the lower spine as long as possible.
然后提起后侧肋骨的下部离开骨盆并保持脊柱下部尽可能地长。
A long labor could signal that the baby is having trouble fitting through the mom's pelvis.
产程长有可能意味着胎儿难以进入母亲的骨盆。
Then press your tailbone down and into the pelvis and come up on an inhalation with a long front torso.
然后按你的尾骨下来进入到骨盆，随着吸气把脊柱拉长起来。
Then press your tailbone down and into the pelvis and come up on an inhalation with a long front torso.
然后按你的尾骨下来进入到骨盆，随着吸气把脊柱拉长起来。
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