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Year : 2018  |  Volume : 1  |  Issue : 2  |  Page : 65-71

Gait among patients with myotonic dystrophy type 1: A three-dimensional motion analysis study

1 PMR Unit, University Hospital of Lille, Research Unit 4488 Health, Physical Activityand Muscle, University of Lille, F-59000 Lille Cedex, France
2 Rehabilitation and Physical Medicine Unit, Avenue Mounier, 53 – UCL 5375, 1200 Brussels, Belgium
3 Neuromuscular Disease Center, Saint-Luc Hospital, 1200 Brussels, Belgium
4 Neurorehabilitation Unit, Lille University Hospital, F-59000 Lille; Inserm U 1171, Degenerative and Vascular Cognitive Disorders, University of Lille, F-59045 Lille, France

Correspondence Address:
Vincent Tiffreau
PMR Unit, University Hospital of Lille, Rue du Pr Verhaegue, F-59037 Lille Cedex
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijprm.ijprm_8_18

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Objective: The objective was to characterize the gait abnormalities in myotonic dystrophy type 1 patients. Material and Methods: Outcomes variables were kinematic and kinetic parameters, timing of muscles, mechanical work and energy cost, and the motor function measure. Results: Despite a high cadence and a low ankle range of motion ratio, ankle extension power, and first extension moment of the knee during the stance, the mechanical work and energy cost were normal. The duration of electromyography activation of the gastrocnemius lateralis (GL) muscle was abnormally long. Conclusion: The hypothesis of a myotonic activity of the GL during the swing phase should be investigated.

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