Browsing by Autor "Thomas L. Leatherman"

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Maximal aerobic power in trained youths at high altitude
(Informa, 1982) Lawrence P. Greksa; Jere D. Haas; Thomas L. Leatherman; Hilde Spielvogel; Megan Zamora; Luis Paredes Fernández; Geraldine Moreno‐Black
The sample for this study consisted of 25 males and 19 females between the ages of 8.8 and 19.5 years. The subjects were healthy, well nourished and trained swimmers residing in La Paz, Bolivia (mean altitude 3700 m). The purpose of this study was to provide normative values for the work capacity of high-altitude youths. Mean VO2 max was 46.9 ml/kg/min in males and 39.3 ml/kg/min in females. VO2max increased significantly with age in males but not in females. Mean VO2max tended to be 10-20% lower in the swimmers than in sea-level athletes.
Work performance of high-altitude Aymara males
(Informa, 1984) Lawrence P. Greksa; Jere D. Haas; Thomas L. Leatherman; R. Brooke Thomas; Hilde Spielvogel
The sample for this study consisted of 28 Aymara males between the ages of 15 and 43 years. The subjects were rural high-altitude natives who were temporarily working as porters in La Paz, Bolivia (3700 m). Mean VO2max was 46 X 5 ml/kg/min. There was a significant negative relationship between VO2max and age in adult porters . However, there was also a significant positive relationship between maximal work output and age and a significant negative relationship between VO2 during submaximal exercise and age. Relative work intensity (VO2/VO2max) during submaximal exercise did not change significantly with age. Thus, even though VO2max decreased significantly with age, these data suggest that there may not be a substantial decrease with age in the adaptive status of these men. Minimal support was found for the hypothesis that chest size in Andean highlanders influences the effectiveness of the oxygen transport system.