Validez del test sit-and-reach con flexión plantar en niños de 10-12 años / Validity of Sit-And-Reach with Plantar Flexion Test in Children Aged 10-12 Years pp. 577-591

Abstract

© 2015, Universidad Autonoma de Madrid y CV Ciencias del Deporte. All rights reserved. The main purpose of this study was to examine the criterion-related validity of classic sit-and-reach (CSR) and sit-and-reach with plantar flexion (SRF) tests for estimating hamstring extensibility in children. A total of 72 students (40 boys and 32 girls) aged 10-12 years performed the lineal tests CSR and SRF, and the criteria measure passive straight-leg raise test. Pearson’s correlation (r) results showed moderate values of association between CSR and SRF with hamstring extensibility (r = 0.71 and r = 0.74, ps < 0.01, respectively). Criterion related validity values found for SRF were greater than for the CSR, except for the girls where the values were similar. The findings of this study suggest that the assessment of hamstring flexibility by sit-and-reach test should be performed allowing plantar flexion.