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  • V E Krahl
  • American journal of physical anthropology
  • 1976
In a series of specimens extending from fossil material through recent vertebrates including man there occurs a gradual phylogenetic increase in the degree of humeral torsion. A further (ontogenetic) torsion is superimposed upon the phylogenetic one in man which increases from birth until the proximal epiphysial cartilage of the humerus disappears and bony(More)