Joined: July 2011
<a href="">These guys</a> aren't even trying to hide their creationism anymore.
With the appearance of Homo erectus, though, many traits changed all at once. Below the neck, these hominins were virtually indistinguishable from a modern human. Their legs, lumbar spine, arms, shoulder girdle, pelvis and hips, rib cage and feet now were those of a long-distance runner with an efficient well-balanced gait
How efficient? And what the hell is a "well-balanced gait"? The features that would have made H. erectus good endurance runners did not appear all at once. We see some of these features in earlier hominins such as H.
habilis. But they first appear as a total package in H. erectus.