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Explanatory factors of dynamic balance impairment in myotonic dystrophy type 1

Bélair Nicolas, Côté Isabelle, Gagnon Cynthia, Mathieu Jean et Duchesne Elise. (2022). Explanatory factors of dynamic balance impairment in myotonic dystrophy type 1. Muscle & Nerve, 65, (6), p. 683-687.

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URL officielle: http://dx.doi.org/doi.org/10.1002/mus.27527

Résumé

Introduction/Aims Myotonic dystrophy type 1 (DM1) is a neuromuscular disease affecting many systems and for which muscle weakness is one of the cardinal symptoms. People with DM1 also present with balance-related impairments and high fall risk. The aim of this study was to explore explanatory factors of dynamic balance impairment in the DM1 population.

Methods A secondary analysis of data collected as part of a larger study was performed. The Mini Balance Evaluation System Test (Mini-BESTest) was used to assess dynamic balance. Age, sex, and CTG repeat length in blood were retrieved from medical records and research files. The maximal isometric muscle strength of five lower limb muscle groups (hip flexors and extensors, knee flexors and extensors, and ankle dorsiflexors) was quantitatively assessed as well as fatigue. Standard multiple regression analysis was used.

Results Fifty-two individuals (31 men) aged between 24 and 81 years were included. The final model explains 65.9% of the balance score; ankle dorsiflexor muscle strength was the strongest explanatory factor, followed by CTG repeat length, age and fatigue to a lesser extent.

Discussion Dynamic balance is impaired in people with DM1. Results of this study suggest that rehabilitation interventions aimed at improving strength of the ankle dorsiflexors and managing fatigue could help to improve dynamic balance in this specific population.

Type de document:Article publié dans une revue avec comité d'évaluation
ISSN:0148-639X
Volume:65
Numéro:6
Pages:p. 683-687
Version évaluée par les pairs:Oui
Date:2022
Identifiant unique:10.1002/mus.27527
Sujets:Sciences de la santé
Sciences de la santé > Sciences de l'activité physique et réadaptation
Sciences de la santé > Sciences de l'activité physique et réadaptation > Physiothérapie
Sciences de la santé > Sciences médicales
Département, module, service et unité de recherche:Départements et modules > Département des sciences de la santé > Unité d'enseignement en physiothérapie
Mots-clés:rehabilitation, physiotherapy, balance, explanatory factors, quantitative muscle testing, fatigue, muscle strength, muscle weakness, myotonic dystrophy, rééducation, physiothérapie, équilibre, facteurs explicatifs, tests musculaires quantitatifs, fatigue, force musculaire, faiblesse musculaire, dystrophie myotonique.
Déposé le:18 janv. 2023 17:05
Dernière modification:09 févr. 2023 15:30
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