Soldier-relevant body borne loads increase knee joint contact force during a run-to-stop maneuver

Abstract The purpose of this study was to understand the effects of load carriage on human performance, specifically during a run-to-stop (RTS) task. Using OpenSim analysis tools, knee joint contact force, grounds reaction force, leg stiffness and lower extremity joint angles and moments were determ...

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Bibliographic Details
Published in:Journal of biomechanics 2016-12, Vol.49 (16), p.3868-3874
Main Authors: Ramsay, John W, Hancock, Clifford L, O’Donovan, Meghan P, Brown, Tyler N
Format: Article
Language:English
Subjects:
Adolescent
Adult
Analysis of variance
Armed forces
Biomechanical Phenomena
Biomechanics
Conflicts of interest
Contact force
Grounds
Humans
Injuries
Knee
Knee contact force
Knee Injuries - prevention & control
Knee Joint - physiopathology
Knees
Leg stiffness
Load
Load carriage
Loads (forces)
Male
Military Personnel
Military training
OpenSim
Optimization techniques
Physical Medicine and Rehabilitation
Posture
Run to stop
Running - physiology
Soldiers
Vertebrae
Weight-Bearing
Young Adult
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Summary:Abstract The purpose of this study was to understand the effects of load carriage on human performance, specifically during a run-to-stop (RTS) task. Using OpenSim analysis tools, knee joint contact force, grounds reaction force, leg stiffness and lower extremity joint angles and moments were determined for nine male military personnel performing a RTS under three load configurations (light, ~6 kg, medium, ~20 kg, and heavy, ~40 kg). Subject-based means for each biomechanical variable were submitted to repeated measures ANOVA to test the effects of load. During the RTS, body borne load significantly increased peak knee joint contact force by 1.2 BW ( p
ISSN:0021-9290
1873-2380
DOI:10.1016/j.jbiomech.2016.10.022