BIOL359 Lecture Notes - Lecture 2: Gluteus Maximus Muscle, Femur Neck, Australopithecine
Document Summary
Early hominins are placed in the genera australopithecus and. Hominins include us homo and our ancestor australopithecus and its ancestor ardipithecus. Movement to the legs, under the body. Earliest known skeleton of the human branch of early. A parietal skeleton fro ethiopia in east africa, dated at 4. 4 primates mybp. A 40% complete skeleton from the hadar region, ethiopia in. Fossilized footprints of australopithecus afarnis from laetoli, tanzania are 3. 5-3. 8 mya. Three sets of tracks occur, the mid-sized set within the larger set. This fossil type is known as an impression . The chimpanzee hipbone is longer than occurs. Lucy"s foot is more like ours, than it is chimpanzees. The knee joint has to change shape because the weight load is now borne differently. The weight of the body is borne differently in chimps, australopithecines and humans. On one leg, we balance our weight over one knee with the upper leg angled inward.
