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Studies of cultural artifacts and faunal remains from European Upper Paleolithic and Mesolithic sites indicate a shift in hunter gatherer subsistence strategies, involving an intensification and diversification of resource exploitation relative to earlier foragers during the Tardiglacial and Postglacial periods. This trend has been recognized as well through the analysis of non-pathological skeletal adaptations of the upper limbs of European Upper Paleolithic human fossils. These paleoanthropological studies of adaptive bone modeling also raise the question of female use of throwing-based weapon technology in the Upper Paleolithic. Here, we studied another type of osteological marker of activity, enthesopathies, of the upper limb remains of 37 European Upper Paleolithic and Mesolithic human fossils, with the goal of testing two hypotheses: 1) that activity levels were heightened at the end of Upper Paleolithic and into the Mesolithic relative to earlier foragers of the Gravettian, and 2) that there was an absence of a marked sexual division of labor in European hunter-gatherers during this time span. Our results are consistent with the first hypothesis; upper limb enthesopathies are significantly less frequent in the Gravettian group, but raise doubts about the second hypothesis. Four males exhibit lesions that can be confidently associated with throwing activities, while no females exhibit such lesions.

To obtain direct dietary information, carbon and nitrogen isotope ratios were measured from bone collagen acquired from the well-preserved skeleton of a Magdalenian woman from the site of Saint-Germain-la-Rivière in southwestern France. Comparison of delta13C and delta15N values of the human bone collagen to those of bone collagen from local herbivores and carnivores indicates that the woman's primary source of protein was the meat of large terrestrial herbivores. Application of a linear mixing model to the woman's isotopic signature indicates that (1) no significant marine-derived protein contributed to her average diet; (2) saiga antelope, which dominates the faunal remains at Saint-Germain-la-Rivière, was not the main source of terrestrial protein; and (3) her pattern of subsistence reflects a less opportunistic behavior than generally attributed to humans from this period. Dietary proportions of prey reflected by the number of identified specimens are revised using meat percentage estimates, which de-emphasize the importance of saiga antelope in human subsistence at Saint-Germain-la-Rivière during the middle Magdalenian.