Lower limb kinematics and physiological responses to prolonged load carriage in untrained individuals

A K Mullins; L E Annett; J R Drain; J G Kemp; Ross Clark; D G Whyte

doi:10.1080/00140139.2014.984775

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Lower limb kinematics and physiological responses to prolonged load carriage in untrained individuals

Journal article

Peer reviewed

Lower limb kinematics and physiological responses to prolonged load carriage in untrained individuals

A K Mullins, L E Annett, J R Drain, J G Kemp, Ross Clark and D G Whyte

Ergonomics, Vol.58(5), pp.770-780

2015

DOI: https://doi.org/10.1080/00140139.2014.984775

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Abstract

oxygen consumption

cardiovascular drift

kinematics

spatiotemporal

gait analysis

military

3D motion analysis

The aim of this study was to simultaneously assess the changes in physiology, and kinematic and spatiotemporal features of gait, during prolonged load carriage in individuals without load carriage experience. Eleven males, representative of new military recruits, walked for 120 min at 5.5 km h- 1, 0% grade, on a motorised treadmill while carrying a 22 kg load. The load ( ≤ 30% body mass) was distributed over a weighted vest, combat webbing and replica model firearm, to reflect a patrol order load. Oxygen consumption and heart rate increased throughout the trial; however, apart from a minor increase in step length, there were no changes in the kinematic or spatiotemporal parameters, despite an increase in perceived exertion and discomfort. These data suggest that individuals with no experience in load carriage are able to maintain normal gait during 2 h of fixed speed walking, while carrying a patrol order load ≤ 30% body mass. © 2014, Taylor & Francis.

Details

Title: Lower limb kinematics and physiological responses to prolonged load carriage in untrained individuals
Authors: A K Mullins (Author) - Australian Catholic University
L E Annett (Author) - Australian Catholic University
J R Drain (Author) - Defence Science and Technology Organisation
J G Kemp (Author) - Australian Catholic University
Ross Clark (Author) - Australian Catholic University
D G Whyte (Author) - Australian Catholic University
Publication details: Ergonomics, Vol.58(5), pp.770-780
Publisher: Taylor & Francis Ltd.
Date published: 2015
DOI: 10.1080/00140139.2014.984775
ISSN: 0014-0139
Organisation Unit: University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy; School of Health and Behavioural Sciences - Legacy; School of Health - Public Health
Language: English
Record Identifier: 99450430102621
Output Type: Journal article

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Collaboration types: Domestic collaboration
Web Of Science research areas: Engineering, Industrial; Ergonomics; Psychology; Psychology, Applied

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