Biomechanical Analysis for Handle Stability During Maximum Push and Pull Exertions

Details

• Personal Author:
  Armstrong TJ ; Seo NJ ; Armstrong TJ ; Seo NJ
• Description:
  This study investigated the effect of handle stability on maximum push/pull force. It was hypothesised that people apply force in directions deviated from the pure push/pull direction to generate a moment that assists producing greater push/pull force when the handle position is fixed (stable) compared to when it is not fixed (unstable). Eight healthy subjects performed maximum push and pull exertions on a stable and an unstable handle in a seated posture, while maximum push/pull force, vertical force and lateral force were recorded. For the unstable handle, vertical and lateral forces were not different from zero during push and pull. For the stable handle, subjects intuitively applied significant downward force during push and significant upward force during pull exertions. As predicted from biomechanical analysis, this downward and upward force was found to be significantly associated with increased push and pull force, respectively, for the stable handle compared to the unstable handle. [Description provided by NIOSH]
• Subjects:
  Biomechanical Phenomena Ergonomics Occupational Health Safety
• Keywords:
  Author Keywords: Stability Biomechanical Modeling Biomechanics Force Grip Handle Pull Push
• ISSN:
  0014-0139
• Document Type:
  Text
• Funding:
  Grant
• Genre:
  Journal Article ; Journal Article
• Place as Subject:
  Michigan ; OSHA Region 5 ; Wisconsin
• CIO:
  National Institute for Occupational Safety and Health (NIOSH) ; National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health ; Workplace Safety & Health
• Location:
  North America ; North America
• Volume:
  52
• Issue:
  12
• NIOSHTIC Number:
  nn:20057829
• Citation:
  Ergonomics 2009 Dec; 52(12):1568-1575
• Contact Point Address:
  Na Jin Seo, Department of Industrial Engineering, University of Wisconsin-Milwaukee, 3200 N. Cramer St., Milwaukee, WI 53211, USA
• Email:
  seon@uwm.edu
• Federal Fiscal Year:
  2010
• Performing Organization:
  University of Michigan, Ann Arbor
• Peer Reviewed:
  True
• Start Date:
  20050701
• Source Full Name:
  Ergonomics
• End Date:
  20280630
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:d8ef096389528dc6c3492680783599a54965c63bff801b4be59cec0783adfd660ee7e0b46c152a56953b293e58e4214fed92a9d11ff07fcb2cce8296171ec187
• Download URL:
  https://stacks.cdc.gov/view/cdc/215046/cdc_215046_DS1.pdf
• File Type:
  [PDF - 612.90 KB ]