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Auteur (up) Tardieu, C.; Trinkaus, E. openurl 
  Titre Early Ontogeny Of The Human Femoral Bicondylar Angle Type Article scientifique
  Année 1994 Publication American Journal Of Physical Anthropology Revue Abrégée  
  Volume 95 Numéro 2 Pages 183-195  
  Mots-Clés  
  Résumé The presence of a femoral bicondylar angle consistently and significantly greater than 0 degrees has been a hallmark of hominid bipedality, but its pattern of development has not been documented. We have therefore compiled cross-sectional data on the development of the articular bicondylar angle for a clinical sample of modern humans and of the metaphyseal bicondylar angle for two Recent human skeletal samples, one predominantly European in origin and the other Amerindian. All three samples exhibit a pattern of a bicondylar angle of 0 degrees at birth and then a steady average increase in the angle from late in the first year postnatal, through infancy, and into the juvenile years. The two skeletal samples reach low adult values by approximately 4 years postnatal, whereas the clinical sample with a lowered activity level appears to attain consistent adult values slightly later (approximately 6 years postnatal). In addition, two modern human individuals, one nonambulatory and the other minimally ambulatory, show no and little development, respectively, of a bicondylar angle. These data, in conjunction with clinical and experimental observations on the potential and form of angular changes during epiphyseal growth, establish a high degree of potential for plasticity in the development of the human bicondylar angle and the direct association of a bipedal locomotion and (especially) posture with the developmental emergence of a human femoral bicondylar angle. (C) 1994 Wiley-Liss, Inc.  
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  Langue Langue du Résumé Titre Original  
  Éditeur de collection Titre de collection Titre de collection Abrégé  
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  ISSN 0002-9483 ISBN Médium  
  Région Expédition Conférence  
  Notes WOS:A1994PJ94000005 Approuvé pas de  
  Numéro d'Appel MNHN @ hackert @ collection 605  
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