Measurements of Wrist and Finger Postures: A Comparison of Goniometric and Motion Capture Techniques

Details

• Personal Author:
  Baker NA ; Cham R ; Cook JR ; Hale E ; Redfern MS
• Description:
  A marker-based kinematic hand model to quantify finger postures was developed and compared to manual goniometric measurements. The model was implemented with data collected from static postures of five subjects. The metacarpal phalangeal (MCP) and proximal interphalangeal (PIP) joints were positioned in flexion of approximately 30, 60, and 90 degrees for 5 subjects. Wrist flexion/extension and ulnar/radial deviations were also examined. The model-based angles for the MCP and PIP joints were not statistically equivalent to the goniometric measurements, with differences of -1.8 degrees and +3.5 degrees, respectively. Differences between the two measurement methods for the MCP and PIP were found to be a function of the posture (i.e., 150, 120, or 90 degree blocks) used. Wrist measurements differed by -4.0 degrees for ulnar/radial deviation and +5.2 degrees for flexion/extension. Much of the difference between the model and goniometric measurements is believed due to inaccuracies in the goniometric measurements. The proposed model is useful for future investigations of finger-intensive activities by supplying accurate and unbiased measures of joint angles. [Description provided by NIOSH]
• Subjects:
  Biomechanical Phenomena Ergonomics Musculoskeletal Diseases Musculoskeletal System Occupational Health Risk Assessment Risk Factors Safety Safety Management
• Keywords:
  Biomechanical-modeling Biomechanics Models Musculoskeletal-system-disorders Posture Risk-analysis Risk-factors Safety-monitoring Safety-practices Skeletal-movement
• ISSN:
  1065-8483
• Document Type:
  Text
• Funding:
  Grant
• Genre:
  Journal Article
• Place as Subject:
  OSHA Region 3 ; Pennsylvania
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  70-78
• Volume:
  23
• Issue:
  1
• NIOSHTIC Number:
  nn:20032311
• Citation:
  J Appl Biomech 2007 Feb; 23(1):70-78
• Contact Point Address:
  Department of Occupational Therapy, University of Pittsburgh, School of Health and Rehabilitation Sciences, 5012 Forbes Tower, University of Pittsburgh, Pittsburgh, PA 15260
• Federal Fiscal Year:
  2007
• Performing Organization:
  University of Pittsburgh
• Peer Reviewed:
  True
• Start Date:
  20040501
• Source Full Name:
  Journal of Applied Biomechanics
• End Date:
  20070430
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:cf5e7dc17385ec7b5d5eed0f261249c3fec8b0a1118cd8b2b49d2bd82b855ae88c5fb98d86aa718c5b11709b07411091db96bfa65f6061cdbc737b013d224a42
• Download URL:
  https://stacks.cdc.gov/view/cdc/186334/cdc_186334_DS1.pdf
• File Type:
  [PDF - 558.66 KB ]