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Between-days intra-rater reliability with a hand held myotonometer to quantify muscle tone in the acute stroke population

Lo, WLA; Zhao, JL; Chen, L; Lei, D; Huang, DF; Tong, KF; (2017) Between-days intra-rater reliability with a hand held myotonometer to quantify muscle tone in the acute stroke population. Scientific Reports , 7 , Article 14173. 10.1038/s41598-017-14107-3. Green open access

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Abstract

A myotonometer can objectively quantify changes in muscle tone. The between-days intra-rater reliability in a ward setting for the acute stroke population remains unknown. This study aimed to investigate the device’s between-days intra-rater reliability when used in a ward setting for acute stroke participants. Muscle tone of biceps brachii, brachioradialis, rectus femoris, and tibialis anterior was recorded in the ward at bedside by one physiotherapist on two consecutive days. This study included participants who were within 1 month of their first stroke occurrence. Participants who were medically unstable or who suffered from brain stem injury were excluded. Reliability was assessed by the intraclass correlation coefficient (ICC), standard error of measurement (SEM), smallest real difference (SRD), and the Bland-Altman limits of agreement. The results indicated excellent between-days intra-rater reliability (ICC > 0.75). SEM and SRD show small differences between measurements. The Bland-Altman analysis indicated a tendency of overestimation of the rectus femoris. MyotonPRO demonstrated acceptable reliability when used in a ward setting in those patients with acute stroke. However, results should be interpreted with caution, due to the limitations of the study and the varying level of consistency observed between different muscles.

Type: Article
Title: Between-days intra-rater reliability with a hand held myotonometer to quantify muscle tone in the acute stroke population
Open access status: An open access version is available from UCL Discovery
DOI: 10.1038/s41598-017-14107-3
Publisher version: https://doi.org/10.1038/s41598-017-14107-3
Language: English
Additional information: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
Keywords: Science & Technology, Multidisciplinary Sciences, Science & Technology - Other Topics, CORRELATION-COEFFICIENT, STATISTICAL-METHODS, SPORTS-MEDICINE, SPASTICITY, AGREEMENT, STIFFNESS, SCALES
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10037953
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