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Open AccessFeature PaperArticle

Wearable Augmented Reality Application for Shoulder Rehabilitation

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Information Engineering Department, University of Pisa, 56126 Pisa, Italy
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EndoCAS Center, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy
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Department of Computer Science, Kettering University, Flint, MI 48504, USA
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Center for Rehabilitative Medicine “Sport and Anatomy”, University of Pisa, 56126 Pisa, Italy
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Authors to whom correspondence should be addressed.
Electronics 2019, 8(10), 1178; https://doi.org/10.3390/electronics8101178
Received: 22 September 2019 / Revised: 9 October 2019 / Accepted: 15 October 2019 / Published: 17 October 2019
(This article belongs to the Special Issue Recent Advances in Virtual Reality and Augmented Reality)
Augmented reality (AR) technology is gaining popularity and scholarly interest in the rehabilitation sector because of the possibility to generate controlled, user-specific environmental and perceptual stimuli which motivate the patient, while still preserving the possibility to interact with the real environment and other subjects, including the rehabilitation specialist. The paper presents the first wearable AR application for shoulder rehabilitation, based on Microsoft HoloLens, with real-time markerless tracking of the user’s hand. Potentialities and current limits of commercial head-mounted displays (HMDs) are described for the target medical field, and details of the proposed application are reported. A serious game was designed starting from the analysis of a traditional rehabilitation exercise, taking into account HoloLens specifications to maximize user comfort during the AR rehabilitation session. The AR application implemented consistently meets the recommended target frame rate for immersive applications with HoloLens device: 60 fps. Moreover, the ergonomics and the motivational value of the proposed application were positively evaluated by a group of five rehabilitation specialists and 20 healthy subjects. Even if a larger study, including real patients, is necessary for a clinical validation of the proposed application, the results obtained encourage further investigations and the integration of additional technical features for the proposed AR application. View Full-Text
Keywords: augmented reality; Microsoft HoloLens; wearable augmented reality; shoulder rehabilitation; upper arm rehabilitation; shoulder rehabilitation augmented reality; Microsoft HoloLens; wearable augmented reality; shoulder rehabilitation; upper arm rehabilitation; shoulder rehabilitation
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Condino, S.; Turini, G.; Viglialoro, R.; Gesi, M.; Ferrari, V. Wearable Augmented Reality Application for Shoulder Rehabilitation. Electronics 2019, 8, 1178.

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