Examinando por Autor "Robles-Fuentes, Alejandro"
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Ítem Reference Values in the 6-Minute Walk Test in Chilean Children Aged 3–10 Years and Relationship With Cardiometabolic Risk(Human Kinetic Journals, 2024-02-01) Latorre-Román, Pedro Ángel; Martínez-Salazar, Cristian; Párraga, Juan Antonio; Cabrera-Linares, José Carlos; Andrade-Lara, Karina Elizabeth; Robles-Fuentes, Alejandro; Espinoza-Silva, José MiguelPurpose: The aim of this study was to evaluate the performance of healthy Chilean children aged 3–10 years in the 6-minute walking test (6MWT) and cardiometabolic risk variables and to determine sex- and age-specific reference values. Methods: This study involved 1165 healthy children (age = 6.36 [1.70] y old). The 6MWT was used to evaluate exercise performance. Furthermore, anthropometric measures were collected, like weight, height, body mass index, waist circumference, and skin folds. Resting heart rate and blood pressure (BP) were also evaluated. Results: The prevalence of overweight and obesity was 35.0% and 25.4% in preschoolers and 29.0% and 36.2% in school-age children, respectively, showing significant differences (P < .05) between age groups. The distance walked (6-min walk distance) increased significantly year on year at ages from 3 to 10 years. According to the regression analysis, 6MWT performance was positively related to age, systolic BP, and height, whereas it was negatively related to ∑4 skinfold fat, resting heart rate, diastolic BP, and waist circumference. Conclusions: This study provides a reference equation and an age- and sex-adjusted percentile curve to assess the predicted 6MWT performance in a cohort of prepubertal Chilean children. The 6-minute walk distance depends mainly on age; however, other variables, such as resting heart rate, BP, skinfold fat, and waist circumference, add significant information and should be taken into account.Ítem Reference Values of Spatial and Temporal Gait Parameters in a Contemporary Sample of Spanish Preschool Children: A Cross-Sectional Study(MDPI, 2022-07-30) Latorre-Román, Pedro Ángel; Párraga, Juan Antonio; Robles-Fuentes, Alejandro; Roche, Luis Enrique; Lucena-Zurita, Manuel; Muñoz-Jiménez, Marcos; Manjón, Daniel; Salas-Sánchez, Jesús; Almeida da Conceição, Filipe; Consuegra-González, Pedro JoséAbstract: The aim of this study was to analyze the influence of age and sex on kinematic gait parameters in preschool children, and derive reference values for this population. A total of 383 preschool children (age 3–5 years; 207 girls, 176 boys) participated in this study. We used the OptoGait system to assess the kinematics of gait at a comfortable and self-determined speed. No significant differences between the sexes were found for the main gait parameters. Among the participants, there was a significant increase in double support, reductions in absolute cadence and the coefficient of variation (CV) of cadence, an increase in absolute step length (SL), and an increase in the walk ratio (WR) from 3 to 5 years of age. However, the normalized SL and normalized WR displayed a significant reduction in both sexes. Partial correlation indicated a significant association of age with SL and normalized SL, and WR. Additionally, WR showed a significant correlation with the CV of cadence. To summarize, no relevant differences in gait performance were found according to sex; however, age was found to influence gait maturation. The normative values established for Spanish preschool children can be used to monitor healthy gait development.