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Archivos argentinos de pediatría

Print version ISSN 0325-0075On-line version ISSN 1668-3501


RODRIGUEZ, Iván; ZAMBRANO, Lysien  and  MANTEROLA, Carlos. Criterion-related validity of perceived exertion scales in healthy children: a systematic review and meta-analysis. Arch. argent. pediatr. [online]. 2016, vol.114, n.2, pp.2-3. ISSN 0325-0075.

Introduction. Physiological parameters used to measure exercise intensity are oxygen uptake and heart rate. However, perceived exertion (PE) is a scale that has also been frequently applied. The objective of this study is to establish the criterion-related validity of PE scales in children during an incremental exercise test. Methods. Seven electronic databases were used. Studies aimed at assessing criterion-related validity of PE scales in healthy children during an incremental exercise test were included. Correlation coefficients were transformed into z-values and assessed in a meta-analysis by means of a fixed effects model if I2 was below 50% or a random effects model, if it was above 50%. Results. Twenty-five articles that studied 1418 children (boys: 49.2%) met the inclusion criteria. Children's average age was 10.5 years old. Exercise modalities included bike, running and stepping exercises. The weighted correlation coefficient was 0.835 (95% confidence interval: 0.762-0.887) and 0.874 (95% confidence interval: 0.794-0.924) for heart rate and oxygen uptake as reference criteria. The production paradigm and scales that had not been adapted to children showed the lowest measurement performance (p < 0.05). Conclusion. Measuring PE could be valid in healthy children during an incremental exercise test. Child-specific rating scales showed a better performance than those that had not been adapted to this population. Further studies with better methodological quality should be conducted in order to confirm these results.

Keywords : Validity; Children; Scales; Cognition; Exercise.

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