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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

ESPINOZA-NAVARRO, O et al. Anthropometric Patterns and Oxygen Consumption (VO2) of School-children Aymara and Non-aymara of 10-12 Years, Living in High Altitude (3500m) and the Plain (500 m), from Chile. Int. J. Morphol. [online]. 2009, vol.27, n.4, pp.1313-1318. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022009000400054.

The objective of this study was to evaluate weight, height, body mass index (BMI) and oxygen consumption (VO2 max) in a sample of 73 students of 10 to 12 years from Putre to 3500 meters of altitude (n = 31) and San Miguel de Azapa, 500 meters of altitude (n = 42). Subjects were grouped according origin, gender, and aymara and non-aymara ethnic. The results show a significant decrease in anthropometric patterns in children of Putre compared with students from San Miguel de Azapa. Girls and boys Aymara of Putre have a BMI below normal (<20). Boys Aymara from San Miguel de Azapa have a significantly greater weight than boys non-aymara, however all students from San Miguel express a normal BMI. The distance traveled in meters (Test of 6 minutes of continuous running) and maximal oxygen consumption in liters per minute (VO2), not show significant differences by gender, ethnicity and geographic origin. We conclude that multistressful environment of the high altitude (hypobaric hypoxia, low temperatures and socioeconomic status), would have a major impact on child growth, and maximum oxygen consumption, possibly reflecting adaptive mechanisms of boys and girls from Putre.

Keywords : Aymara; High altitude; VO2; BMI.

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