Wyatt, F. B., McCarthy, J. P., Neason, M. V., & Welch, B. S. (2002). Comparing post exercise blood lactate between sea level and altitude natives. Medicine and Science in Sports and Exercise, 34(5), Supplement abstract 1336.

Cyclists living at sea level (N = 7) and altitude (N = 7) completed an incremental protocol on a cycle ergometer. Resting lactate, peak lactate, and recovery lactate were determined along with heart rates.

Both groups exhibited similar lactate properties. Percent recovery and maximal heart rate were significantly greater in sea level Ss when compared to altitude counterparts.

Implication. Lactate clearance is enhanced in sea level athletes. Sea level residents also reach greater maximal heart rates when compared to altitude residents. Training and living at altitude does not allow maximal physiological adaptation for sea level performance.

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