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Posted by / 02-Mar-2019 05:41

The entire structure has been remodeled to accommodate an upright stance and the need to balance the trunk on only one limb with each stride.

The talus, in her ankle, shows evidence for a convergent big toe, sacrificing manipulative abilities for efficiency in bipedal locomotion.

If it occurred after she died but while the bone was still fresh, then it may not be related to her death.

Back to top There are several indicators which give a fair idea of her age.

The shaft is angled relative to the condyles (knee joint surfaces), which allows bipeds to balance on one leg at a time during locomotion.

The most conspicuous of these traits is bipedal locomotion, or walking upright.

In contrast, the only damage we see on Lucy's bones is a single carnivore tooth puncture mark on the top of her left pubic bone.

This is what is called a perimortem injury, one occurring at or around the time of death.

Within moments, he spotted a right proximal ulna (forearm bone) and quickly identified it as a hominid.

Shortly thereafter, he saw an occipital (skull) bone, then a femur, some ribs, a pelvis, and the lower jaw.

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Two weeks later, after many hours of excavation, screening, and sorting, several hundred fragments of bone had been recovered, representing 40 percent of a single hominid skeleton.