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GeneralRe: The future has arrived... Pin
jeron125-Feb-16 7:59
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GeneralRe: The future has arrived... Pin
piyush_singh25-Feb-16 22:15
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908236525-Feb-16 9:25
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GeneralRe: The future has arrived... Pin
R. Giskard Reventlov25-Feb-16 9:45
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GeneralRe: The future has arrived... Pin
Super Lloyd25-Feb-16 16:17
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908236526-Feb-16 2:27
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vtokar26-Feb-16 3:22
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908236526-Feb-16 5:15
Member908236526-Feb-16 5:15 
vtokar wrote:
bipedals need several times less energy on the same distance than 4-legged creatures


The study which suggested this compared only humans and chimps. It confirms that human beings walking on two legs are more energy efficient than chimps walking on four and also, for the most part and to a lesser degree, than chimps walking on two. But as chimps are already halfway between quadriped and biped, with their arms significantly far along the track towards becoming useless as legs, all the study really tells us is that humans are better at being humans than primates at a stage of evolution a few steps behind humans which .. you know ... duh!

There are so many disadvantages to bipedal walking in terms of wear on joints, the need for additional supporting framework such as ligaments and tendons, pressure on the feet, balance and stability issues caused by raising the centre of gravity, and a dozen other consequences from having our vertebra in a shaky column rather than a nice self-supporting, suspended arch, that it's not easy to believe that a little energy efficiency gain is sufficient evolutionary advantage to explain it entirely if at all.
I am not a number. I am a ... no, wait!

GeneralRe: The future has arrived... Pin
Charles Programmer27-Feb-16 12:48
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