Impacts of Using a Head-Worn Display on Gait Performance During Level Walking and Obstacle Crossing

Details

• Personal Author:
  Kim S ; Nussbaum MA ; Ulman S
• Description:
  Use of a head-worn display (HWD) may affect gait performance and increase slip and trip risks, though there is a lack of information on such effects. This study investigated how different display technologies (monocular and binocular HWDs, and a paper list) and visual information presentation modes affect gait performance. Twelve gender-balanced participants completed walking and obstacle crossing trials on a linear walking track under all experimental conditions and a baseline control (without using a technology). During these trials, information relevant to a simulated light assembly task was provided, as representative of a potential occupational application. Gait performance was assessed based on minimum foot clearance (MFC), required coefficient of friction, foot placement locations around the obstacle, and/or walking/obstacle crossing speed. Use of a HWD had no substantial effects on level walking performance. A more conservative/cautious obstacle crossing strategy was, however, observed with HWD use, including a decrease (approximately 3%) in obstacle crossing speed (compared to the baseline). Gender-specific foot control strategies (lead foot MFC) were also observed that depended on the specific display technology and information modes. Foot placements around the obstacle were not influenced by use of the binocular HWD, yet a conservative strategy was observed with the monocular HWD. [Description provided by NIOSH]
• Subjects:
  Accidental Falls Accidents Biomechanical Phenomena Occupational Health Safety
• Keywords:
  Author Keywords: Head-worn Display Biomechanics Gait Kinematics HWD Information Processing Kinesiology Slips, Trips, And Falls STF Task Performance User Interface
• ISSN:
  1050-6411
• Document Type:
  Text
• Funding:
  Grant
• Genre:
  Journal Article
• Place as Subject:
  OSHA Region 3 ; Virginia
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  142-148
• Volume:
  39
• NIOSHTIC Number:
  nn:20056656
• Citation:
  J Electromyogr Kinesiol 2018 Apr; 39:142-148
• Contact Point Address:
  Maury A.Nussbaum, Virginia Tech, 250 Durham Hall (0118), Blacksburg, VA 24061, USA
• Email:
  nussbaum@vt.edu
• Federal Fiscal Year:
  2018
• Performing Organization:
  Virginia Polytechnic Institute and State University, Blacksburg
• Peer Reviewed:
  True
• Start Date:
  20010701
• Source Full Name:
  Journal of Electromyography and Kinesiology
• End Date:
  20260630
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:12fb100aff4d79a31242f385c35e7ce4d71e8dd6a34d933a18c56b931d9305fc14ee5a40b87048fdbc61d670955a9e76025ebdde42bafc78cd3f9c88bd207ba7
• Download URL:
  https://stacks.cdc.gov/view/cdc/214214/cdc_214214_DS1.pdf
• File Type:
  [PDF - 225.92 KB ]