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Zwiren, Linda D.; And Others – Research Quarterly for Exercise and Sport, 1991
Thirty-eight healthy females measured maximal oxygen uptake (VO2max) on the cycle ergometer and treadmill to compare five exercise tests (run, walk, step, and two tests using heart-rate response on the bicycle ergometer) in predicting VO2max. Results indicate that walk and run tests are satisfactory predictors of VO2max in 30- to 39-year-old…
Descriptors: Adults, Aerobics, Biomechanics, Cardiovascular System

Dengel, Donald R.; And Others – Research Quarterly for Exercise and Sport, 1989
Eleven male triathletes were studied to determine the relationships between selected metabolic measurements and triathalon performance. Oxygen uptake, pulmonary ventilation, and heart rate were measured during freestyle swimming, cycling, and treadmill running. Economy of effort was an important determinant of performance. (JD)
Descriptors: Athletes, Cardiovascular System, Exercise Physiology, Heart Rate

Powers, Scott K.; And Others – Research Quarterly for Exercise and Sport, 1983
In an attempt to identify physiological factors that account for success in distance running, researchers evaluated relationships among ventilatory threshold, running economy, and distance running performance. Subjects were trained male runners with similar maximal aerobic power. (Authors/PP)
Descriptors: Aerobics, Athletes, Cardiovascular System, Exercise Physiology