Upright Walking dates back to 22 million years ago – where does that leave ‘Lucy’ our so-called walking (chimp-like) ancestor?

   "An extraordinary advance in human origins research reveals evidence of the emergence of the upright human body plan over 15 million years earlier than most experts have believed. More dramatically, the study confirms preliminary evidence that many early hominoid apes were most likely upright bipedal walkers sharing the basic body form of modern humans."  …