Actually, the only features of Lucy which even hint that she walked with an erect posture are her knee joints. Humans’ knee joints are distinctly different from apes’, so these joints indicate how the creature to which they belonged walked. Unfortunately, when presented with the Lucy fantasy, most university students never hear that when Dr. Johanson required a knee joint to prove that Lucy walked upright, he used one found nearly two miles down the road, buried 200 feet deeper than the other bones.