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Dual Mode Gait Sonification for Rehabilitation After Unilateral Hip Arthroplasty

Institute of Sports Science, Leibniz University Hannover, Am Moritzwinkel 6, 30167 Hannover, Germany
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Brain Sci. 2019, 9(3), 66; https://doi.org/10.3390/brainsci9030066
Received: 12 February 2019 / Revised: 28 February 2019 / Accepted: 13 March 2019 / Published: 19 March 2019
(This article belongs to the Special Issue Rhythm Perception and Neural Plasticity)
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Abstract

The pattern of gait after hip arthroplasty strongly affects regeneration and quality of life. Acoustic feedback could be a supportive method for patients to improve their walking ability and to regain a symmetric and steady gait. In this study, a new gait sonification method with two different modes—real-time feedback (RTF) and instructive model sequences (IMS)—is presented. The impact of the method on gait symmetry and steadiness of 20 hip arthroplasty patients was investigated. Patients were either assigned to a sonification group (SG) (n = 10) or a control group (CG) (n = 10). All of them performed 10 gait training sessions (TS) lasting 20 min, in which kinematic data were measured using an inertial sensor system. Results demonstrate converging step lengths of the affected and unaffected leg over time in SG compared with a nearly parallel development of both legs in CG. Within the SG, a higher variability of stride length and stride time was found during the RTF training mode in comparison to the IMS mode. Therefore, the presented dual mode method provides the potential to support gait rehabilitation as well as home-based gait training of orthopedic patients with various restrictions. View Full-Text
Keywords: gait sonification; acoustic feedback; hip arthroplasty; real-time sonification; acoustic model; rehabilitation; motor relearning gait sonification; acoustic feedback; hip arthroplasty; real-time sonification; acoustic model; rehabilitation; motor relearning
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Reh, J.; Hwang, T.-H.; Schmitz, G.; Effenberg, A.O. Dual Mode Gait Sonification for Rehabilitation After Unilateral Hip Arthroplasty. Brain Sci. 2019, 9, 66.

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