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J Appl Physiol 16: 431-434, 1961;
8750-7587/61 $5.00
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Basal metabolic rate and body composition at high altitudes

E. Picón-Reátegui 1

1 Institute of Andean Biology, Faculty of Medicine, Lima, Perú

Basal metabolic rate (BMR) and body composition were determined in 17 healthy adult males living at an altitude of 14,900 ft above sea level. Using body surface area as a standard of reference and following the criterion of Boothby et al. (Am. J. Physiol. 116: 468, 1936), the BMR of the high-altitude resident fell within the limits considered normal for healthy adults at sea level. A comparison with the data obtained by investigators in the United States and in India shows that, when either fat-free body mass (FFM), cell mass (C), or cell solids (S) are the standard of reference, the BMR is higher in the high-altitude resident. The higher O2 consumption per kilogram of FFM, C, or S in the high-altitude resident seems to be one of the many mechanisms developed by the body in its process of adaptation to the low O2 tension.

Note:
(With the Technical Assistance of Melquiades Huayna-Vera)

Submitted on October 24, 1960




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