The ischium and hip extensor mechanism in human evolution.

  title={The ischium and hip extensor mechanism in human evolution.},
  author={Henry M Mchenry},
  journal={American journal of physical anthropology},
  volume={43 1},
Although it is commonly stated that the ischia of the late Pliocence-early Pleistocene hominid fossils are long and ape-like, new interpretations show this view to be falacious. An important new theory proposed by Robinson concludes that the gracile form of early hominid was an efficient biped, but the robust form was a less efficient biped and was adapted for tree climbing. Interpretation of the ischium is crucial to this idea. The present study shows that (1) the gracile and robust… CONTINUE READING