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

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UTTER, A. C., R. J. ROBERTSON, D. C. NIEMAN, and J. KANG. Children’s OMNI Scale of Perceived Exertion: walking/running evaluation. Med. Sci. Sports Exerc., Vol. 34, No. 1, 2002, pp. 139–144.PurposeThe 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.MethodsA cross-sectional, perceptual estimation paradigm using a walking/running test protocol was administered. Oxygen uptake (V̇O2, mL·min−1), %V̇O2max, ventilation (V̇E, L·min−1), respiratory rate (RR, breaths·min−1), respiratory exchange ratio (RER), heart rate (HR, beats·min−1), V̇E/V̇O2 ratio, and ratings of perceived exertion (RPE) measurements were made every minute throughout the test.ResultsSignificant correlations were found between OMNI-walk/run Scale RPE responses and V̇O2, %V̇O2max, HR, V̇E/V̇O2 ratio, and RR throughout the maximal treadmill exercise test. The strongest correlations were found between RPE and %V̇O2max (r = 0.41–0.60, P < 0.001) and HR (r = 0.26–0.52, P < 0.01).ConclusionThe 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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