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The effect of load distribution within military load carriage systems on the kinetics of human gait
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Birrell, Stewart A. and Haslam, Roger (2010) The effect of load distribution within military load carriage systems on the kinetics of human gait. Applied Ergonomics, Volume 41 (Number 4). pp. 585-590. doi:10.1016/j.apergo.2009.12.004 ISSN 0003-6870.
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WRAP_Birrell Haslam - 2009 - AppErg.pdf - Submitted Version Download (403Kb) | Preview |
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Official URL: http://dx.doi.org/10.1016/j.apergo.2009.12.004
Abstract
Military personnel carry their equipment in load carriage systems (LCS) which consists of webbing and a Bergen (aka backpack). In scientific terms it is most efficient to carry load as close to the body's centre of mass (CoM) as possible, this has been shown extensively with physiological studies. However, less is known regarding the kinetic effects of load distribution. Twelve experienced load carriers carried four different loads (8, 16, 24 and 32 kg) in three LCS (backpack, standard and AirMesh). The three LCS represented a gradual shift to a more even load distribution around the CoM. Results from the study suggest that shifting the CoM posteriorly by carrying load solely in a backpack significantly reduced the force produced at toe-off, whilst also decreasing stance time at the heavier loads. Conversely, distributing load evenly on the trunk significantly decreased the maximum braking force by 10%. No other interactions between LCS and kinetic parameters were observed. Despite this important findings were established, in particular the effect of heavy load carriage on maximum braking force. Although the total load carried is the major cause of changes to gait patterns, the scientific testing of, and development of, future LCS can modify these risks.
| Item Type: | Journal Article | ||||
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| Subjects: | Q Science > QP Physiology T Technology > T Technology (General) U Military Science > U Military Science (General) |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
| Library of Congress Subject Headings (LCSH): | Gait in humans , Dynamics, Soldiers , Human engineering , Axial loads | ||||
| Journal or Publication Title: | Applied Ergonomics | ||||
| Publisher: | Pergamon | ||||
| ISSN: | 0003-6870 | ||||
| Official Date: | 2010 | ||||
| Dates: |
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| Volume: | Volume 41 | ||||
| Number: | Number 4 | ||||
| Page Range: | pp. 585-590 | ||||
| DOI: | 10.1016/j.apergo.2009.12.004 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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