Journal article

The Neurological Hand Deformity Classification: Construct validity, test-retest, and inter-rater reliability.

Simon Garbellini, Melinda Randall, Michael Steele, Catherine Elliott, Christine Imms

J Hand Ther | Published : 2021

Abstract

BACKGROUND: The Neurological Hand Deformity Classification (NHDC) is an impairment-based tool that classifies hand deformity into one of two ordinal scales: flexion or extension deformities. Classification is made from live observation or from recorded video footage. Differentiation between the levels is determined by wrist position and wrist and finger movement. PURPOSE: To examine aspects of validity and reliability of the NHDC. STUDY DESIGN: A measurement study design. METHODS: Data from a convenience sample of 127 children with cerebral palsy, 66 males: 61 females, ranging in age from 8 months to 15 years, across all Manual Ability Classification System levels I to V, were analyzed. Cons..

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