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  • Title: Gait analysis using accelerometry in dystrophin-deficient dogs.
    Author: Barthélémy I, Barrey E, Thibaud JL, Uriarte A, Voit T, Blot S, Hogrel JY.
    Journal: Neuromuscul Disord; 2009 Nov; 19(11):788-96. PubMed ID: 19800232.
    Abstract:
    Dogs affected with Golden Retriever Muscular Dystrophy (GRMD) exhibit striking clinical similarities with patients suffering from Duchenne muscular dystrophy (DMD), particularly gait impairments. The purpose of this study was to describe the use and reliability of accelerometry in gait assessment of dogs with muscular dystrophy. Eight healthy and 11 GRMD adult dogs underwent three gait assessment sessions, using accelerometry. Three-axial recordings of accelerations were performed, and gait variables calculated. Total power, force and regularity of accelerations, stride length and speed, normalized by height at withers, stride frequency, and cranio-caudal power were significantly decreased, whereas medio-lateral power was significantly increased in GRMD dogs. Moreover, these variables were repeatable within and between sessions. Accelerometry provides reliable variables which highlight specific gait patterns of GRMD dogs, describing objectively and quantitatively their slow, short-stepped, and swaying gait. As it is easy to set-up, quick to perform and inexpensive, accelerometry represents a useful tool, to assess locomotion during pre-clinical trials.
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