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The effects of a 12-week strength training program on skeletal muscle impairments and physical limitations in men with myotonic dystrophy type 1

Roussel Marie-Pier, Gallais Benjamin, Hébert Luc J., Gagnon Cynthia et Duchesne Élise. (2018). The effects of a 12-week strength training program on skeletal muscle impairments and physical limitations in men with myotonic dystrophy type 1. Dans : Congrès de physiothérapie Montréal18 , 1-3 novembre 2018, Montreal, Canada.

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Résumé

Background/rationale: Myotonic dystrophy type 1 (DM1) is a genetic multisystemic degenerative disease and represents the most prevalent myopathy in adults. Skeletal muscles are particularly affected, as demonstrated by muscle weakness and atrophy experienced by affected people, which limit their social participation.

Purpose/research objectives: The aim of this project is to determine the effects of a 12-week strength training program on skeletal muscle impairments and physical limitations in men with DM1.

Relevance: Strength training has been shown to be safe in this population, but it remains unknown if it can trigger muscle hypertrophy process, thus slowing or reversing the significant muscle impairments that characterize this disease.

Methods: In this before-after study, a 12-week strength training program (twice a week) of 6 to 8 maximal repetitions (RM) of five different lower limb exercises was completed by 11 men with DM1. The evaluation included: 10 meter walk test (comfortable and maximal speed), 30 second sit-to-stand test, quantitative muscle strength assessment of knee extensors muscle group, 1-RM test for all exercises and an interview about perceived changes.

Results: Results showed significant maximal muscle strength increases as well as improvement in all functional tests (p<0.05). Patients also reported many positive changes after the training program such as an improved confidence in their legs and that they had ceased falling.

Conclusion: Many positive changes have resulted from this training program showing that a well standardized strength training is an efficient and promising treatment option to reduce skeletal muscle impairments and physical limitations in people with DM1.

Type de document:Matériel de conférence (Non spécifié)
Date:2018
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
Département, module, service et unité de recherche:Départements et modules > Département des sciences de la santé > Unité d'enseignement en physiothérapie
Mots-clés:skeletal musle, Myotonic dystrophy type 1
Déposé le:19 mars 2019 00:52
Dernière modification:08 avr. 2019 17:57
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