Three Passive Arm-Support Exoskeletons Have Inconsistent Effects on Muscle Activity, Posture, and Perceived Exertion During Diverse Simulated Pseudo-Static Overhead Nutrunning Tasks

Details

• Personal Author:
  Kelson D ; Kim S ; Morris W ; Nussbaum MA ; Ojelade A ; Smets M ; Srinivasan D
• Description:
  Arm-support exoskeletons (ASEs) are an emerging technology with the potential to reduce physical demands during diverse tasks, especially overhead work. However, limited information is available about the effects of different ASE designs during overhead work with diverse task demands. Eighteen participants (gender-balanced) performed lab-based simulations of a pseudo-static overhead task. This task was performed in six different conditions (3 work heights × 2 hand force directions), with each of three ASEs and in a control condition (i.e., no ASE). Using ASEs generally reduced the median activity of several shoulder muscles (by approx. 12-60%), changed working postures, and decreased perceived exertion in several body regions. Such effects, though, were often task-dependent and differed between the ASEs. Our results support earlier evidence of the beneficial effects of ASEs for overhead work but emphasize that: 1) these effects depend on the task demands and ASE design and 2) none of the ASE designs tested was clearly superior across the tasks simulated. [Description provided by NIOSH]
• Subjects:
  Biomechanical Phenomena Ergonomics Musculoskeletal Diseases Musculoskeletal System Occupational Health Safety
• Keywords:
  Author Keywords: Exoskeleton Biomechanics Exoskeletons Mortality Studies MSD Muscle Activity Muscle Function Musculoskeletal Disorders Overhead Work Perceived Exertion Posture Shoulder Upper Extremities

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• ISSN:
  0003-6870
• Document Type:
  Text
• Funding:
  Grant
• Genre:
  Journal Article
• Place as Subject:
  Michigan ; OSHA Region 3 ; OSHA Region 4 ; OSHA Region 5 ; South Carolina ; Virginia
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Volume:
  110
• NIOSHTIC Number:
  nn:20067725
• Citation:
  Appl Ergon 2023 Jul; 110:104015
• Contact Point Address:
  Maury A. Nussbaum, Department of Industrial and Systems Engineering, Virginia Tech, 250 Durham Hall (0118), Blacksburg, VA, 24061, USA
• Email:
  nussbaum@vt.edu
• Federal Fiscal Year:
  2023
• Performing Organization:
  Virginia Polytechnic Institute and State University, Blacksburg
• Peer Reviewed:
  True
• Start Date:
  20010701
• Source Full Name:
  Applied Ergonomics
• End Date:
  20260630
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:c64209472393d23e941ffdaeb6849bf590124cde644eb04b20635dcd84307f1ec6745a3c8a9b8acaa6e0cf4f1f2eaa52c889c2ab0ea63cde4b65b7d0da0e387f
• Download URL:
  https://stacks.cdc.gov/view/cdc/229987/cdc_229987_DS1.pdf
• File Type:
  [PDF - 3.64 MB ]