Influences of smart glasses on postural control under single- and dual-task conditions for ergonomic risk assessment
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Jakob Tenholt
,
Stella Adam
Abstract
Head worn displays have become increasingly popular at workplaces in logistics and assembly lines in recent years. Such displays are expected to improve productivity and safety at the workplace. However, their impact on balance in the workforce is still an open research question. Therefore, we investigated the influence of the Vuzix M400 and Realwear HMT1 smart glasses on postural control. A laboratory study was conducted with eleven participants. Balance parameters were recorded during bilateral quiet stance, together with parameters of cognitive load. The two different smart glasses used in this study were compared with a monitor and a tablet under single-task conditions and while performing a spatial 2-back task. As balance parameters, the prediction ellipse and sample entropy in anteroposterior as well as mediolateral direction of the center-of-pressure data were examined. No significant differences were observed in the cognitive task performance between the devices. The prediction ellipse of the smart glasses was smaller than the tablets but larger than the smartboard. The dynamic of sample entropy data suggests that the use of the spatial 2-back task induces postural sway in the participants. This effect was most profound when looking at the monitor and least recognizable in the data of the tablet.
Funding source: Berufsgenossenschaft Handel und Warenlogistik
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Research funding: The research was funded by the employers’ liability insurance association for trade and logistics (BGHW/Germany). The funding organization played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or the decision to submit the report for publication.
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Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission. Conceptualization: Tenholt, Adam, Friemert, Data curation: Tenholt, Adam; Formal analysis: Tenholt, Friemert; Funding acquisition: Hartmann, Harth, Friemert; Investigation: Tenholt, Adam; Methodology: Tenholt, Adam, Friemert; Project administration: Hartmann, Harth; Supervision: Friemert, Hartmann; Validation: Tenholt, Friemert; Visualization: Tenholt, Friemert; Roles/Writing–original draft: Tenholt, Friemert; Writing – review & editing: Tenholt, Friemert, Adam, Laun, Hartmann, Karamanidis, Terschüren, Schiefer.
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Competing interests: Authors state no conflict of interest.
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Informed consent: Informed consent was obtained from all individuals included in this study.
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Ethical approval: The local Institutional Review Board deemed the study exempt from review as it was whitelisted according to the statues of the declaration of Helsinki.
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Articles in the same Issue
- Frontmatter
- Review
- Research frontiers of electroporation-based applications in cancer treatment: a bibliometric analysis
- Research Articles
- Deep neural network to differentiate internet gaming disorder from healthy controls during stop-signal task: a multichannel near-infrared spectroscopy study
- A low power respiratory sound diagnosis processing unit based on LSTM for wearable health monitoring
- Effective deep learning classification for kidney stone using axial computed tomography (CT) images
- De- and recellularized urethral reconstruction with autologous buccal mucosal cells implanted in an ovine animal model
- The impact of right ventricular hemodynamics on the performance of a left ventricular assist device in a numerical simulation model
- Optimal assist strategy exploration for a direct assist device under stress‒strain dynamics
- Revisiting SFA stent technology: an updated overview on mechanical stent performance
- Parameter-based patient-specific restoration of physiological knee morphology for optimized implant design and matching
- Influences of smart glasses on postural control under single- and dual-task conditions for ergonomic risk assessment
