Article,

Ankle joint range of motion measurements in spastic cerebral palsy children: intraobserver and interobserver reliability and reproducibility of goniometry and visual estimation.

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J Pediatr Orthop B, 11 (3): 236--239 (July 2002)

Abstract

The aim of this study was to assess the intra- and interobserver reliability and reproducibility of goniometry and visual estimation of ankle joint range of motion measurements in children with spastic cerebral palsy. Forty-six ankles of 24 spastic cerebral palsy children were measured under a strict protocol. The global mean measurement error was 5 degrees (SD, 5 degrees) for intra- and interobserver measurements and 3 degrees (SD, 3 degrees) for goniometry versus visual estimation. Statistical analysis showed a high reliability for intra- and interobserver measurements (r>0.75), between visual estimation and goniometry (correlation coefficient, r>0.967; concordance coefficient, r>0.957). Both visual estimation and goniometry ankle range-of-motion measurements are reliable and reproducible in spastic cerebral palsy children if a strict but simple protocol is applied.

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