The Intra- and Inter-Rater Reliability of an Instrumented Spasticity Assessment in Children with Cerebral Palsy

Simon-Henri Schless, Kaat Desloovere, Erwin Aertbeliën, Guy Molenaers, Catherine Huenaerts and Lynn Bar-On

PLOS ONE, 2015, vol. 10, issue 7, 1-23

Abstract: Aim: Despite the impact of spasticity, there is a lack of objective, clinically reliable and valid tools for its assessment. This study aims to evaluate the reliability of various performance- and spasticity-related parameters collected with a manually controlled instrumented spasticity assessment in four lower limb muscles in children with cerebral palsy (CP). Method: The lateral gastrocnemius, medial hamstrings, rectus femoris and hip adductors of 12 children with spastic CP (12.8 years, ±4.13 years, bilateral/unilateral involvement n=7/5) were passively stretched in the sagittal plane at incremental velocities. Muscle activity, joint motion, and torque were synchronously recorded using electromyography, inertial sensors, and a force/torque load-cell. Reliability was assessed on three levels: (1) intra- and (2) inter-rater within session, and (3) intra-rater between session. Results: Parameters were found to be reliable in all three analyses, with 90% containing intra-class correlation coefficients >0.6, and 70% of standard error of measurement values

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0131011

DOI: 10.1371/journal.pone.0131011

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