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OBJECTIVES The purpose of this study was to investigate the difference in oxygen uptake, fat oxidation rate, and fat oxidation during treadmill walking, depending on the type and speed of walking. METHODS Ten male college students randomly participated in the experiment under two conditions. Four types of exercise: normal walking, power walking, dumbbell walking, and sand walking, and three exercise intensity conditions: low-speed walking (40% VT), medium-speed walking (50% VT), and high-speed walking (60% VT). RESULTS Oxygen uptake was statistically significantly higher as walking speed increased (p