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Generalized Joint Laxity in Igloolik Eskimos and in Island Lake Amerindians
J. M. Walker
Vol. 47, No. 2 (May 1975), pp. 263-275
Published by: Wayne State University Press
Stable URL: http://www.jstor.org/stable/41460031
Page Count: 13
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The findings of generalized joint laxity studies in the Igloolik-Hall Beach Eastern Arctic population (n = 298 ) and the Cree-Ojibwa Indians of Island Lake Reserve, Manitoba (n = 396 ) conducted in 1972 and 1973 are reported. Generalized joint laxity (GJL) is a condition in which excessive range of motion is present in several pairs of joints and probably represents the upper end of a spectrum of range of normal joint mobility. GJL has been shown to be present in a higher percentage of Congenital Hip Disease (CHD) cases than controls. In the Island Lake population no correlation was shown between CHD and GJL. Both populations demonstrated a gradual decrease in GJL with age with the decrease slower in females. No individuals over 19 years of age were positive for GJL. Unexpectedly, Eskimos exhibited a greater degree of GJL through all age groups, which was most significant between the ages of 5 to 9 years (p < .001). In neither population at any age category were the sexes significantly different.
Human Biology © 1975 Wayne State University Press