alexa Dynamometry for the Assessment of Grip, Pinch, and Trunk Strength in Subjects with Chronic Stroke: Reliability and Various Sources of Outcome Values | OMICS International
ISSN: 2329-9096

International Journal of Physical Medicine & Rehabilitation
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Research Article

Dynamometry for the Assessment of Grip, Pinch, and Trunk Strength in Subjects with Chronic Stroke: Reliability and Various Sources of Outcome Values

Christina Danielli Coelho de Morais Faria*, Larissa Tavares Aguiar, Eliza Maria Lara, Lucas Araújo Castro e Souza, Júlia Caetano Martins and Luci Fuscaldi Teixeira-Salmela

Department of Physical Therapy, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil

*Corresponding Author:
Christina Danielli Coelho de Morais Faria
Department of Physical Therapy
Universidade Federal de Minas Gerais
Avenida Antônio Carlos, 6627, Campus Pampulha
31270-901 Belo Horizonte, Minas Gerais, Brazil
Tel: 55/31/3409-7448
E-mail: [email protected], [email protected]

Received Date October 21, 2013; Accepted Date: November 28, 2013; Published Date: November 30, 2013

Citation: Faria CDCdeM, Aguiar LT, Lara EM, Souza LACe, Martins JC, et al. (2013) Dynamometry for the Assessment of Grip, Pinch, and Trunk Strength in Subjects with Chronic Stroke: Reliability and Various Sources of Outcome Values. Int J Phys Med Rehabil 1:168. doi: 10.4172/2329-9096.1000168

Copyright: © 2013 Faria CDCdeM, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Background: Muscular weakness, commonly observed in individuals with stroke, is usually assessed with portable dynamometers. However, no studies were found which investigated the reliability of the dynamometry for the assessment of grip, pinch, and trunk strength in subjects with chronic stroke, nor which evaluated the best source of outcome values. Objectives: To investigate the test-retest and inter-rater reliabilities of the portable dynamometer for the assessment of grip, pinch, and trunk strength in subjects with chronic stroke and to verify whether the use of various sources of outcomes (first trial, the means of two and three trials) affected the obtained values, as well as their reliabilities. Methods: A methodological study with 47 (58.67 ± 14.79 years) and 38 (57.05 ± 16.23 years) subjects with chronic stroke was carried out to investigate test-retest and inter-rater reliabilities, respectively. Grip and pinch (pulp-to-pulp, palmar, and lateral) strength were bilaterally assessed, as well as the strength of the trunk flexors/extensors, lateral flexors, and rotators, with portable dynamometry by two independent examiners over two sessions, 1-4 weeks apart. One-way ANOVAs were employed to compare the values between the various sources of outcome values. Intra-class correlation coefficients (ICCs) were calculated to investigate the test-retest and inter-rater reliabilities for all sources of outcome values (α=0.05). Results: For all muscular groups, similar results were found for all sources of outcome values (0.01

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