A re-examination of anklebones from early hominids indicates their gait was not as stable as previous research suggested.

研究人員指出综合久久本道中文字幕www，數(shù)百萬年前，早期人類學(xué)習(xí)直立行走的過程并不簡(jiǎn)單，我們的一些早期祖先還是八字腳一级AⅤ。

The legs bend frontwards, in the direction of actual progression, and frontwards also lies that part of the foot which is the most effective of motion, and the flexure of that part; but the heel lies at the back, and the anklebones lie laterally, earwise.

腿朝前彎曲人人摸人人色人人操，在實(shí)際動(dòng)作的方向，而且足的對(duì)運(yùn)動(dòng)最有影響的部位也是朝前彎曲，那一部分也是彎曲的成年人福利视频，但是腳跟位于后面。但是腳踝位于側(cè)面艹到高潮网站。