Assessing Motor Function in Congenital Muscular Dystrophy Patients Using Accelerometry.

The Journal of Neuroscience Nursing : Journal of the American Association of Neuroscience Nurses
Tokunbor A LawalKatherine G Meilleur

Abstract

When tested in a controlled clinic environment, individuals with neuromuscular-related symptoms may complete motor tasks within normal predicted ranges. However, measuring activity at home may better reflect typical motor performance. The accuracy of accelerometry measurements in individuals with congenital muscular dystrophy (CMD) is unknown. We aimed to compare accelerometry and manual step counts and assess free-living physical activity intensity in individuals with CMD using accelerometry. Ambulatory pediatric CMD participants (n = 9) performed the 6-minute walk test in clinic while wearing ActiGraph GT3X accelerometer devices. During the test, manual step counting was conducted to assess concurrent validity of the ActiGraph step count in this population using Bland-Altman analysis. In addition, activity intensity of 6 pediatric CMD participants was monitored at home with accelerometer devices for an average of 7 days. Cut-point values previously validated for neuromuscular disorders were used for data analysis. Bland-Altman and intraclass correlation analyses showed no concurrent validity between manual and ActiGraph-recorded step counts. Fewer steps were recorded by ActiGraph step counts compared with manual step counts (...Continue Reading

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Citations

Dec 29, 2021·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·Sara BortolaniGiorgio Tasca

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