Dynamic Response of the Trunk to Position Perturbations – Effects of Gender, Preload, and Trunk Angle

Details

• Personal Author:
  Bazrgari B ; Hendershot B ; Madigan M ; Miller E ; Nussbaum M
• Description:
  Females are more likely to experience low back pain (LBP) and injury than males. The reasons for this gender difference may relate to factors contributing to the control of spinal stability such as intrinsic muscle stiffness and paraspinal reflexes, i.e. effective trunk stiffness. While no gender differences in effective trunk stiffness have been found following sudden force perturbations, this could be due to higher trunk flexion velocity, and thus larger reflexes, observed in females who had smaller trunk mass. In addition, other factors such as trunk extension preload and trunk flexion angle may influence effective trunk stiffness, and therefore spinal stability. In an effort to help understand gender differences in LBP, the goal of this study was to investigate the effects of gender, preload, and trunk angle on the dynamic response of the trunk to small position perturbations. [Description provided by NIOSH]
• Subjects:
  Biomechanical Phenomena Musculoskeletal Diseases Musculoskeletal System Occupational Health Safety Sex Characteristics
• Keywords:
  Biomechanics Gender Factors Low Back Disorders Low Back Pain MSD Musculoskeletal Disorders Neuromuscular Function
• Publisher:
  American Society of Biomechanics
• Document Type:
  Text
• Funding:
  Grant
• Genre:
  Abstract or Summary
• Place as Subject:
  OSHA Region 3 ; Virginia
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• NIOSHTIC Number:
  nn:20059653
• Citation:
  Proceedings of the 34th Annual Meeting of the American Society of Biomechanics, August 18-21, 2010, Providence, Rhode Island. Newark, DE: The American Society of Biomechanics, 2010 Aug; :453
• Contact Point Address:
  Emily Miller, Virginia Tech, Blacksburg, VA, USA
• Email:
  millerem@vt.edu
• Federal Fiscal Year:
  2010
• Performing Organization:
  Virginia Polytechnic Institute and State University
• Peer Reviewed:
  False
• Start Date:
  20060801
• Source Full Name:
  Proceedings of the 34th Annual Meeting of the American Society of Biomechanics, August 18-21, 2010, Providence, Rhode Island
• End Date:
  20120731
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:42765fe2625cce606e9dbe9166df1af0d05c7dc3eb024ea103cd9edc5ec088398c0eecc66ca792c54bb3412559280d0b76d8d7933a7a67f54a538c4dc1f9e1c6
• Download URL:
  https://stacks.cdc.gov/view/cdc/223803/cdc_223803_DS1.pdf
• File Type:
  [PDF - 390.62 KB ]