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      Children's OMNI Scale of Perceived Exertion: walking/running evaluation.

      Medicine and Science in Sports and Exercise

      methods, Sex Factors, Reproducibility of Results, Running, Humans, Walking, Awareness, Child, Physical Endurance, Exercise Test, standards, Cross-Sectional Studies, Heart Rate, Oxygen Consumption, Physical Exertion, physiology, Statistics as Topic, Adolescent, Female, Male

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          Abstract

          The Children's OMNI-walk/run Scale of Perceived Exertion (category range, 0-10) was evaluated using male and female children (6-13 yr of age) during a treadmill graded exercise test. A cross-sectional, perceptual estimation paradigm using a walking/running test protocol was administered. Oxygen uptake (VO(2), mL x min(-1)), %VO(2max), ventilation (VE, L x min(-1)), respiratory rate (RR, breaths x min(-1)), respiratory exchange ratio (RER), heart rate (HR, beats x min(-1)), V(E)/VO(2) ratio, and ratings of perceived exertion (RPE) measurements were made every minute throughout the test. Significant correlations were found between OMNI-walk/run Scale RPE responses and VO(2), %VO(2max), HR, V(E)/VO(2) ratio, and RR throughout the maximal treadmill exercise test. The strongest correlations were found between RPE and %VO(2max) (r = 0.41-0.60, P < 0.001) and HR (r = 0.26-0.52, P < 0.01). The psychophysiological responses provide validity evidence for use of the Children's OMNI-walk/run Scale over a wide range of exercise intensities during both walking and running.

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          11782659

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