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Human head-neck models in whole-body vibration: effect of posture.

To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.jbiomech.2012.11.037 Byline: Yang Wang (b), Salam Rahmatalla (a)(b) Keywords: System identification; Posture; Modeling; Active; Passive Abstract: This work presents passive and muscle-based models to predict t... Full description

Journal Title: Journal of biomechanics February 22, 2013, Vol.46(4), pp.702-710
Main Author: Wang, Yang
Other Authors: Rahmatalla, Salam
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1873-2380 ; DOI: 10.1016/j.jbiomech.2012.11.037
Link: http://search.proquest.com/docview/1285466241/?pq-origsite=primo
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recordid: proquest1285466241
title: Human head-neck models in whole-body vibration: effect of posture.
format: Article
creator:
  • Wang, Yang
  • Rahmatalla, Salam
subjects:
  • Acceleration–Adverse Effects
  • Adolescent–Physiology
  • Adult–Physiology
  • Biomechanical Phenomena–Physiology
  • Child–Physiology
  • Head–Adverse Effects
  • Head Movements–Adverse Effects
  • Humans–Adverse Effects
  • Male–Adverse Effects
  • Models, Biological–Adverse Effects
  • Neck–Adverse Effects
  • Posture–Adverse Effects
  • Vibration–Adverse Effects
  • Young Adult–Adverse Effects
ispartof: Journal of biomechanics, February 22, 2013, Vol.46(4), pp.702-710
description: To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.jbiomech.2012.11.037 Byline: Yang Wang (b), Salam Rahmatalla (a)(b) Keywords: System identification; Posture; Modeling; Active; Passive Abstract: This work presents passive and muscle-based models to predict the biodynamical response of the human head-neck under fore-aft and combined-axis whole-body vibration considering four head-neck postures: neutral, flexion, lateral flexion, and lateral rotation. The passive model consists of one link, a three-rotational-degrees-of-freedom joint, and traditional spring-mass-damper elements. The muscle-based model is similar to the passive model but has additional muscle components. The additional muscle component comprises spring-mass-damper elements to capture the effects of changes in displacement, velocity, acceleration, and jerk. Eleven male participants were tested under white-noise random vibration input signals at the seat level with a frequency range of 0.5-10Hz and magnitudes of 1.5m/s.sup.2 RMS for the fore-aft condition and 1.0m/s.sup.2 RMS in each direction for the combined-axis condition. The proposed models were able to reasonably predict the frequency content and acceleration of the head-neck for the postures under investigation, with the muscle-based model performing better. Author Affiliation: (a) Department of Civil and Environmental Engineering, College of Engineering, The University of Iowa, Iowa City, IA 52242, USA (b) Center for Computer-Aided Design, College of Engineering, The University of Iowa, Iowa City, IA 52242, USA Article History: Accepted 21 November 2012
language: eng
source:
identifier: E-ISSN: 1873-2380 ; DOI: 10.1016/j.jbiomech.2012.11.037
fulltext: fulltext
issn:
  • 18732380
  • 1873-2380
url: Link


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subjectAcceleration–Adverse Effects ; Adolescent–Physiology ; Adult–Physiology ; Biomechanical Phenomena–Physiology ; Child–Physiology ; Head–Adverse Effects ; Head Movements–Adverse Effects ; Humans–Adverse Effects ; Male–Adverse Effects ; Models, Biological–Adverse Effects ; Neck–Adverse Effects ; Posture–Adverse Effects ; Vibration–Adverse Effects ; Young Adult–Adverse Effects
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descriptionTo link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.jbiomech.2012.11.037 Byline: Yang Wang (b), Salam Rahmatalla (a)(b) Keywords: System identification; Posture; Modeling; Active; Passive Abstract: This work presents passive and muscle-based models to predict the biodynamical response of the human head-neck under fore-aft and combined-axis whole-body vibration considering four head-neck postures: neutral, flexion, lateral flexion, and lateral rotation. The passive model consists of one link, a three-rotational-degrees-of-freedom joint, and traditional spring-mass-damper elements. The muscle-based model is similar to the passive model but has additional muscle components. The additional muscle component comprises spring-mass-damper elements to capture the effects of changes in displacement, velocity, acceleration, and jerk. Eleven male participants were tested under white-noise random vibration input signals at the seat level with a frequency range of 0.5-10Hz and magnitudes of 1.5m/s.sup.2 RMS for the fore-aft condition and 1.0m/s.sup.2 RMS in each direction for the combined-axis condition. The proposed models were able to reasonably predict the frequency content and acceleration of the head-neck for the postures under investigation, with the muscle-based model performing better. Author Affiliation: (a) Department of Civil and Environmental Engineering, College of Engineering, The University of Iowa, Iowa City, IA 52242, USA (b) Center for Computer-Aided Design, College of Engineering, The University of Iowa, Iowa City, IA 52242, USA Article History: Accepted 21 November 2012
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