Analysis of the cancellous part of femoral head hominin StW 311 of Sterkfontein caves showed that he was well adapted to climbing, reported in the Proceedings of the National Academy of Sciences. This individual is younger than found there the Australopithecines with lots of adaptations to bipedal locomotion, which suggests that the way of man to Donohoe was not straightforward, and different types of moving vary.
Bipedalism is considered one of the key features of Homo sapiens. It is impossible to say with absolute precision, when and in what species it emerged, but there are a number of adaptations that can indicate how much time a particular hominids standing on two legs. For example, depending on how often the body moves on two legs or on all fours, running or climbing — vary the extent and direction of the load on the hip joint.
This also needs to change the structure of the cancellous parts of the femoral head. Ensure the strength of its walls — trabeculae. If the predominant tread, they are arranged orderly, so as to withstand significant vertical load. This is true for Homo sapiens and a number of Australopithecus.
Anthropologists under the leadership of Leonie Georgia (Leoni Georgiou) of the University of Kent decided to compare how the heads of the thigh bones of modern apes and humans, as well as the ancient sapiens and Australopithecus. To do this, they conducted a computer microtomography corresponding bones of gorillas, chimpanzees and orangutans (Museum specimens), modern man, Homo sapiens (H2) from an archaeological Parking Groaned II in Israel (age about 19,000 years), and two finds from the South African Sterkfontein — the Australopithecus afarensis hominin StW 522 and StW 311, whose view is not selected (either a person or parantap).