Re: An alternative to ST and AAT

Rohinton Collins (
26 Nov 1996 21:15:44 GMT

fsflowers <> wrote in article
> Paul,
> I have a question about bipedalism, since you all seem to be
> discussing it, why did Lucy decide to walk upright?

The only thing we know for sure is this: Lucy's bipedalism is more
efficient than ape quadrupedalism only during walking. So Lucy walked a
lot. If we can find out why she walked a lot, we would find the reason for
the evolution of hominid bipedalism.