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Population Affinities of the Jebel Sahaba Skeletal Sample (Holliday 2013)
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[QUOTE]Originally posted by the lioness,: [QB] [IMG]http://i371.photobucket.com/albums/oo160/brandonpilcher/b9bdb805-bd92-4544-9f56-0ba40133a41f_zpse13095c4.jpg[/IMG] [URL=http://www.ephotobay.com/share/picture-21-48.html] [IMG]http://www.ephotobay.com/image/picture-21-48.png[/IMG][/URL][URL=http://www.ephotobay.com/share/picture-23-75.html] [IMG]http://www.ephotobay.com/image/picture-23-75.png[/IMG][/URL] [URL=http://www.ephotobay.com/share/picture-24-71.html] [IMG]http://www.ephotobay.com/image/picture-24-71.png[/IMG][/URL] look at how short their legs are, how could they cluster with African Americans? _______________________________________________ limb proprtion can change relatively quickly, alteration of body width occurs much more slowly - Principles of Human Evolution 2013 By Robert Andrew Foley, Roger Lewin _________________________________________________ (only have access to abstract: : Am J Phys Anthropol. 2008 May;136(1):28-38. [b]Adult proportionality in small-bodied foragers: a test of ecogeographic expectations.[/b] Kurki HK, Ginter JK, Stock JT, Pfeiffer S. Source Department of Anthropology, University of Toronto, Toronto, Canada. helen.kurki@utoronto.ca Abstract If predictable, ecogeographic patterning in body size and proportions of human populations can provide valuable information regarding human biology, adaptation to local environments, migration histories, and health, now and in the past. This paper evaluates the assumption that small-bodied Later Stone Age (LSA) foragers of Southern Africa show the adult proportions that would be expected of warm-adapted populations. Comparisons are also made with small-bodied foragers from the Andaman Islands (AI). Indices including brachial, crural, limb element length to skeletal trunk height, and femoral head and bi-iliac breadth to femoral length were calculated from samples of LSA (n = 124) and AI (n = 31) adult skeletons. Samples derived from the literature include those from high (Europe), middle (North Africa), and low (Sub-Saharan Africa) latitude regions. The LSA and AI samples match some but not all expected ecogeographic patterns for their particular regions of long term habitation. For most limb length to skeletal trunk height indices the LSA and AI are most similar to the other mid-latitude sample (North Africans). However, both groups are similar to low latitude groups in their narrow bi-iliac breadths, and the AI display relatively long radii. Proportions of LSA and AI samples also differ from those of African pygmies. In regions like southern-most Africa, that do not experience climatic extremes of temperature or humidity, or where small body size exists through drift or selection, body size, and proportions may also be influenced by nonclimatic variables, such as energetic efficiency. [/QB][/QUOTE]
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