As Houghton says: "Heat production above basal level is related directly to activity of skeletal muscle. At basal level, skeletal muscle contributes only 20% of body heat production, but any increase above basal level comes almost entirely from this tissue."
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Montenegrins and Romanians are fairly close genetically, being much more South European than Old Slavic and yet their difference in height is more than 4 inches. Not only are these people big absolutely, their size is defying a very strong pattern.
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My argument here is more speculative than the others, but I think the key factor is the late persistence of the Mediterranean practice of transhumant pastoralism, where herders regularly migrate from warm coastal areas in the summer to highlands in the winter.
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High meat consumption, which is characteristic of all the people discussed here, is probably a pre-requisite of large body bulk. But this wouldn’t explain the small arms of Montenegrins and Serbs, and cold stress imposed by the ex Yugoslavia’s very high levels of rainfall would:pic.twitter.com/iW2BcOazNp
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Fin. Comments welcome, going to try and do another one of these tomorrow on some of the peculiarities of the Japanese.
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In Sardinia it's actually anti-correlated, about 40% of men there carry I2 and yet they're the shortest sub-group of the already very short Italians. Early European Farmer ancestry is the decisive predictor of height in Europeans and it reaches its peak in Sardinia.
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gotta watch sicilian data though because of the Viking Norman conquest. I'd like to see a long time series of phys anthro data over past 3000 years
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