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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Biomechanical changes, acceptance, and usability of a passive shoulder exoskeleton in manual material handling. A field study.
    Author: Schrøder Jakobsen L, de Zee M, Samani A, Desbrosses K, Madeleine P.
    Journal: Appl Ergon; 2023 Nov; 113():104104. PubMed ID: 37531933.
    Abstract:
    Occupational exoskeletons contribute to diminish the biomechanical load during manual work. However, familiarization to the use of exoskeletons is rarely considered, which may lead to failure of acceptance and implementation. In this study, ten logistic workers underwent a 5-week progressive familiarization to a passive shoulder exoskeleton, while ten workers acted as controls. Tests pre and post the familiarization applied measurements of muscle activity and kinematics of back, neck, and shoulder, perceived effort, and usability-ratings of the exoskeleton. Exoskeleton use resulted in lower muscle activity of anterior deltoid (13-39%) and upper trapezius (16-60%) and reduced perceived effort. Additionally, it induced an offset in shoulder flexion and abduction during resting position (8-10°). No conclusions on familiarization could be drawn due to low adherence to the protocol. However, the emotions of the workers towards using the exoskeleton decreased making it questionable whether the shoulder exoskeleton is suitable for use in the logistics sector.
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