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- Title
Comparison of the Acute Cardiopulmonary Responses of Trained Young Men Walking or Running the Same Distance at Different Speeds on a Treadmill.
- Authors
de Castro Cesar, Marcelo; Gonsalves Sindorf, Márcio Antônio; da Silva, Luciano Antônio; Gomes Gonelli, Pamela Roberta; Pellegrinotti, Idico Luiz; Verlengia, Rozangela; de Lima Montebelo, Maria Imaculada; de Barros Manchado-Gobatto, Fúlvia
- Abstract
The aim of this study was to compare the acute cardiopulmonary responses of men to walking and running the same distance at different speeds on a treadmill. Sixteen trained young men participated. All the volunteers underwent one maximal and two submaximal cardiopulmonary exercise tests. The submaximal tests covered a distance of two miles each, one walking at 3.0 miles·h-1 for 40 min and the other 6.0 miles·h-1 running for 20 min. The following variables were higher while running: oxygen uptake, carbon dioxide output, heart rate, oxygen pulse, pulmonary ventilation, and energy expenditure. No significant differences were found between running and walking for ventilatory equivalents for oxygen or carbon dioxide. The percentage of oxygen uptake reserve was 58.9 ± 5.2% for running and 18.5 ± 2.1% for walking. The findings indicate that running 2 miles is more efficient than walking for improving cardiorespiratory fitness in trained young men because running is associated with greater cardiopulmonary responses.
- Subjects
CARDIOPULMONARY system physiology; YOUNG men; PHYSIOLOGICAL aspects of walking; PHYSIOLOGICAL aspects of running; RUNNING speed; TREADMILL exercise; EXERCISE tests; PHYSIOLOGY
- Publication
Journal of Exercise Physiology Online, 2013, Vol 16, Issue 4, p84
- ISSN
1097-9751
- Publication type
Article