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Updated: Mar 17, 2026

A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement
Published on: February 22, 2022
The Effect of Track-and-Field Training on Cardiovascular Fitness
Abstract:
In brief: Distance runners, sprinters, jumpers, and weightmen in track and field offer advantages for studying the effects of physical exertion on selected cardiovascular parameters because they undertake a variety of training programs. Fifty-six athletes and 40 controls were tested for percent body fat, maximal oxygen consumption, and plasma lipids before and after a seven-month training season. Sprinters had lower percent body fat and distance runners had higher vo2 max values than the other groups, but all groups had low plasma lipids. However, a season of training did not beneficially change these variables-probably because the athletes were already fit.
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