LIVING HIGH AND TRAINING LOW: AN EARLY STUDY
Levine, B. D., Engfred, K., Friedman, D., Kjaer, M., Saltin, B., Clifford, P. S., & Secher, N. H. (1990). High altitude endurance training: Effect on aerobic capacity and work performance. Medicine and Science in Sports and Exercise, 22(5), Supplement abstract 209.
Living at an altitude of 2500 m and training at 1250 m was shown to improve VO2max, 5000 m run time, and increase blood volume. On the other hand, a group living and training at 1250 m showed no changes in any of these variables. This was proposed as supporting the benefits of "living high and training low."
As with many altitude studies, acceptable experimental designs are difficult to implement and control. This investigation suffered a number of shortcomings.
Implication. It is difficult to accept the findings of this investigation as being sound. It did not control potential confounding factors which is important in studies of this type. Only when sound research is conducted will this hypothesis be evaluated accurately.
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