Protective footwear started nearly 30,000 years ago, research finds
Erik Trinkaus, Ph.D., the Mary Tileston Hemenway Professor of Physical Anthropology, derived those dates by analyzing anatomical evidence of early modern humans, which suggests a reduction in the strength of the smaller toes in Upper Paleolithic humans while there was little change in leg strength.
His research was published in the July issue of the Journal of Archaeological Science.
Trinkaus argues that early humans living in far northern climates began to put insulation on their feet around 500,000 years ago. While archaeological evidence suggests that protective footwear was in use by at least the middle Upper Paleolithic in portions of Europe, the frequency of use and the actual mechanical protection provided by that footwear was unclear.
Use of protective footwear has been difficult to document because in most cases the footwear does not survive the test of time.
Lacking such physical evidence, Trinkaus analyzed the foot bones of western Eurasian Middle Paleolithic and middle Upper Paleolithic humans. In doing so, he found the anatomy of their feet began to change starting around 26,000 years ago.
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