Article

This study evaluated the validity of the OMNI Walk /Run Rating of Perceived
Exertion (OMNI-RPE) scores with heart rate and oxygen consumption (VO(2)) for
children and adolescents with cerebral palsy (CP).
METHOD: Children and
adolescents with CP, aged 6 to 18 years and Gross Motor Function Classification
System (GMFCS) levels I to III completed a physical activity protocol with seven
trials ranging in intensity from sedentary to moderate-to-vigorous. VO(2) and
heart rate were recorded during the physical activity trials using a portable
indirect calorimeter and heart rate monitor. Participants reported OMNI-RPE
scores for each trial. Concurrent validity was assessed by calculating the
average within-subject correlation between OMNI-RPE ratings and the two
physiological indices. RESULTS: For the correlational analyses, 48 participants
(22 males, 26 females; age 12y 6mo, SD 3y 4mo) had valid bivariate data for VO(2)
and OMNI-RPE, while 40 participants (21 males, 19 females; age 12y 5mo, SD 2y
9mo) had valid bivariate data for heart rate and OMNI-RPE. VO(2) (r=0.80; 95% CI
0.66-0.88) and heart rate (r=0.83; 95% CI 0.70-0.91) were moderately to highly
correlated to OMNI-RPE scores. No difference was found for the correlation of
physiological data and OMNI-RPE scores across the three GMFCS levels. The OMNI-RPE scores increased significantly in a dose-response manner (F(6,258)
=116.1, p<0.001) as exercise intensity increased from sedentary to
moderate-to-vigorous. INTERPRETATION: OMNI-RPE is a clinically feasible option to
monitor exercise intensity in ambulatory children and adolescents with CP.
CI - (c) 2015 Mac Keith Press.

Langue : ANGLAIS