In 1953 Stewart reported neural arch defects in 40.3 per cent of the skeletal material from the northern Eskimo. Between 1957 and 1963 admission of a northern Eskimo with back pain referable to spondylolysis at the Alaska Native Service Hospital in Anchorage, Alaska, was rare. To resolve this apparent difference, we surveyed 153 northern Eskimos admitted to the hospital for non-orthopaedic problems from 1962 to 1964. This sampling constitutes about 1 per cent of the northern Eskimo population. We are reporting the incidence of spondylolysis, pars interarticularis defect, in the present northern Eskimo and the associated clinical symptoms and signs.
From: Fortuine, Robert et al. 1993. The Health of the Inuit of North America: A Bibliography from the Earliest Times through 1990. University of Alaska Anchorage. Citation number 2648.