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Título: | Evaluation of an exercise-enabling control interface for powered wheelchair users: a feasibility study with Duchenne muscular dystrophy |
Autor: | Lobo-Prat, Joan CSIC ORCID; Enkaoua, Aure; Rodríguez-Fernández, Antonio; Sharifrazi, Nariman; Medina-Cantillo, Julita; Font-Llagunes, Josep Maria; Torras, Carme CSIC ORCID ; Reinkensmeyer, David J. | Palabras clave: | Powered wheelchair Physical exercise Duchenne muscular dystrophy Driving performance Rare disease |
Fecha de publicación: | 28-oct-2020 | Editor: | BioMed Central | Citación: | Journal of NeuroEngineering and Rehabilitation 17: 142 (2020) | Resumen: | Background: Powered wheelchairs are an essential technology to support mobility, yet their use is associated with a high level of sedentarism that can have negative health effects for their users. People with Duchenne muscular dystrophy (DMD) start using a powered wheelchair in their early teens due to the loss of strength in their legs and arms. There is evidence that low-intensity exercise can help preserve the functional abilities of people with DMD, but options for exercise when sitting in a powered wheelchair are limited. Methods: In this paper, we present the design and the feasibility study of a new version of the MOVit device that allows powered-wheelchair users to exercise while driving the chair. Instead of using a joystick to drive the wheelchair, users move their arms through a cyclical motion using two powered, mobile arm supports that provide controller inputs to the chair. The feasibility study was carried out with a group of five individuals with DMD and five unimpaired individuals. Participants performed a series of driving tasks in a wheelchair simulator and on a real driving course with a standard joystick and with the MOVit 2.0 device. Results: We found that driving speed and accuracy were significantly lowered for both groups when driving with MOVit compared to the joystick, but the decreases were small (speed was 0.26 m/s less and maximum path error was 0.1 m greater). Driving with MOVit produced a significant increase in heart rate (7.5 bpm) compared to the joystick condition. Individuals with DMD reported a high level of satisfaction with their performance and comfort in using MOVit. Conclusions: These results show for the first time that individuals with DMD can easily transition to driving a powered wheelchair using cyclical arm motions, achieving a reasonable driving performance with a short period of training. Driving in this way elicits cardiopulmonary exercise at an intensity found previously to produce health-related benefits in DMD. | Versión del editor: | http://dx.doi.org/10.1186/s12984-020-00760-9 | URI: | http://hdl.handle.net/10261/227634 | DOI: | 10.1186/s12984-020-00760-9 | Identificadores: | doi: 10.1186/s12984-020-00760-9 e-issn: 1743-0003 |
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