Biomechanical and physiological load carrying efficiency of two firefighter harness variations

Firefighters and military personnel employ multiple backpack designs for carrying air tanks along with other heavy gear for occupational purposes. As the load increases, the biomechanical and physiological demands on the carrier change as well. The xPk® harness, a new design, claims to improve the l...

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Main Authors: Rumit Singh Kakar, Joshua M Tome, Deborah L. King, Zhongmin Jin
Format: Article
Language:English
Published: Taylor & Francis Group 2018-01-01
Series:Cogent Engineering
Subjects:
Online Access:http://dx.doi.org/10.1080/23311916.2018.1502231
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author Rumit Singh Kakar
Joshua M Tome
Deborah L. King
Zhongmin Jin
author_facet Rumit Singh Kakar
Joshua M Tome
Deborah L. King
Zhongmin Jin
author_sort Rumit Singh Kakar
collection DOAJ
description Firefighters and military personnel employ multiple backpack designs for carrying air tanks along with other heavy gear for occupational purposes. As the load increases, the biomechanical and physiological demands on the carrier change as well. The xPk® harness, a new design, claims to improve the load carriage ability for firefighters by allowing the load to be carried closer to the individual’s center of mass (COM) thus reducing the energy cost and increasing comfort level compared with the traditional design. The study compared biomechanical and physiological differences during walking at 1.79m/s (4 mph) at different grades, while carrying a firefighter air tank in traditional harness to xPk® double strap harnesses. There were significant differences in grade kinematics, but differences between old and new harnesses were minor. The minimal differences and subjective preference for xPk® could potentially be helpful in improving load carrying capacity without having to retrain carrying mechanics.
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spelling doaj.art-e1ae4e89a3024322b6f6190a2fabe1042023-09-02T11:03:31ZengTaylor & Francis GroupCogent Engineering2331-19162018-01-015110.1080/23311916.2018.15022311502231Biomechanical and physiological load carrying efficiency of two firefighter harness variationsRumit Singh Kakar0Joshua M Tome1Deborah L. King2Zhongmin Jin3Ithaca CollegeSchool of Health Science and Human Performance, Ithaca CollegeIthaca CollegeXian Jiao Tong University (China) and Leeds University.(UK)Firefighters and military personnel employ multiple backpack designs for carrying air tanks along with other heavy gear for occupational purposes. As the load increases, the biomechanical and physiological demands on the carrier change as well. The xPk® harness, a new design, claims to improve the load carriage ability for firefighters by allowing the load to be carried closer to the individual’s center of mass (COM) thus reducing the energy cost and increasing comfort level compared with the traditional design. The study compared biomechanical and physiological differences during walking at 1.79m/s (4 mph) at different grades, while carrying a firefighter air tank in traditional harness to xPk® double strap harnesses. There were significant differences in grade kinematics, but differences between old and new harnesses were minor. The minimal differences and subjective preference for xPk® could potentially be helpful in improving load carrying capacity without having to retrain carrying mechanics.http://dx.doi.org/10.1080/23311916.2018.1502231firefighterharnessscbabackpackgait
spellingShingle Rumit Singh Kakar
Joshua M Tome
Deborah L. King
Zhongmin Jin
Biomechanical and physiological load carrying efficiency of two firefighter harness variations
Cogent Engineering
firefighter
harness
scba
backpack
gait
title Biomechanical and physiological load carrying efficiency of two firefighter harness variations
title_full Biomechanical and physiological load carrying efficiency of two firefighter harness variations
title_fullStr Biomechanical and physiological load carrying efficiency of two firefighter harness variations
title_full_unstemmed Biomechanical and physiological load carrying efficiency of two firefighter harness variations
title_short Biomechanical and physiological load carrying efficiency of two firefighter harness variations
title_sort biomechanical and physiological load carrying efficiency of two firefighter harness variations
topic firefighter
harness
scba
backpack
gait
url http://dx.doi.org/10.1080/23311916.2018.1502231
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AT joshuamtome biomechanicalandphysiologicalloadcarryingefficiencyoftwofirefighterharnessvariations
AT deborahlking biomechanicalandphysiologicalloadcarryingefficiencyoftwofirefighterharnessvariations
AT zhongminjin biomechanicalandphysiologicalloadcarryingefficiencyoftwofirefighterharnessvariations