Chapter 22, Problem 14TYK

Summary Introduction

To explain:

The importance of the training strategy in improving an athlete’s performance. Also determine the reason why some runners and cyclists prepare themselves for competition by training at high altitudes or by sleeping in a tent in which PO₂ is kept artificially low.

Concept introduction:

The percentage of oxygen is fairly constant at different altitudes, but the decrease in the atmospheric pressure at high altitudes decreases the inspired oxygen partial pressure, causing gas exchange pressure at the lung site.