Abstract
AbstractThis poster introduces the idea that femoral compact bone growth and development demonstrates a very different pattern among infants and children in a contemporary sample of well-nourished active children versus archaeological samples of stressed, malnourished children.
Highlights
%CA declines for the first 3-4 years of life in the Denver sample individuals- as part of the expected growth profile
5) Increasing levels of strength through infancy and childhood appeared to be more strongly correlated with body mass and activity levels, rather than nutritional status. While this pattern of growth has been documented for populations of children with adequate nutritional status, growing up with relatively low levels of biocultural stress, does this pattern of growth vary in populations that experienced developmental stress?
The reference standard for long bone length for age was developed from the Denver sample (Maresh, 1970)
Summary
The reference standard for long bone length for age was developed from the Denver sample (Maresh, 1970). The humerus acquires torsional strength (Zp) faster than the femur during infancy ( 6-12 months of age) and the strength of the femur increases at a faster velocity after 12 months of age, in the first 4 years If this is the growth profile expected for infants and children growing up in circumstances of adequate nutrition, sociosanitation conditions, and regular exercise, is the same pattern of growth maintained for infants and children that are experiencing nutritional and biocultural stress?. Out of 300 individuals from 3 Chalcolithic villages (2000-700 B.C.) in India, 90% are under 5 years of age and 72 individuals have long bone lengths as well as dental ages (n = 137 humeri and femora) In this pooled sample (DC), 16 out of 72 (22%) individuals demonstrated evidence of growth suppression in long bone length (Z-scores < 2 standard deviations below the median for bone length for age). Sample of Long Bones from Infants and Children at Deccan Chalcolithic (DC) Sites
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