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Body-worn IMU array reveals effects of load on performance in an outdoor obstacle course

Vitali, Rachel V ; Cain, Stephen M ; Ojeda, Lauro V ; Potter, Michael V ; Zaferiou, Antonia M ; Davidson, Steven P ; Coyne, Megan E ; Hancock, Clifford L ; Mendoza, Alyssa ; Stirling, Leia A ; Perkins, Noel C Jan, Yih-Kuen

PloS one, 2019-03, Vol.14 (3), p.e0214008-e0214008 [Periódico revisado por pares]

United States: Public Library of Science

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Título:
Body-worn IMU array reveals effects of load on performance in an outdoor obstacle course
Autor: Vitali, Rachel V ; Cain, Stephen M ; Ojeda, Lauro V ; Potter, Michael V ; Zaferiou, Antonia M ; Davidson, Steven P ; Coyne, Megan E ; Hancock, Clifford L ; Mendoza, Alyssa ; Stirling, Leia A ; Perkins, Noel C
Jan, Yih-Kuen
Assuntos: Adolescent ; Aeronautics ; Analysis ; Athletic ability ; Athletic Performance - physiology ; Barriers ; Biology and Life Sciences ; Biomechanical Phenomena ; Body weight ; Bone surgery ; Cain, Michael ; Engineering and Technology ; Female ; Gait ; Human performance ; Humans ; Inertial measurement units ; Inertial platforms ; Influence ; Law enforcement ; Load ; Load bearing capacity ; Loads (forces) ; Male ; Mechanical engineering ; Medicine and Health Sciences ; Medieval period ; Movement - physiology ; Performance degradation ; Performance measurement ; Physical Sciences ; Physiology ; Postural Balance - physiology ; Principal components analysis ; Process controls ; Research and Analysis Methods ; Running - physiology ; Sensors ; Social Sciences ; Task Performance and Analysis ; Technology ; Technology assessment ; Walking ; Wearable computers ; Wearable Electronic Devices ; Wearable technology ; Weight-Bearing - physiology ; Wireless Technology - instrumentation ; Young Adult
É parte de: PloS one, 2019-03, Vol.14 (3), p.e0214008-e0214008
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
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Competing Interests: The authors have declared that no competing interests exist.
These authors also contributed equally to this work.
Descrição: This study introduces a new method to understand how added load affects human performance across a broad range of athletic tasks (ten obstacles) embedded in an outdoor obstacle course. The method employs an array of wearable inertial measurement units (IMUs) to wirelessly record the movements of major body segments to derive obstacle-specific metrics of performance. The effects of load are demonstrated on (N = 22) participants who each complete the obstacle course under four conditions including unloaded (twice) and with loads of 15% and 30% of their body weight (a total of 88 trials across the group of participants). The IMU-derived performance metrics reveal marked degradations in performance with increasing load across eight of the ten obstacles. Overall, this study demonstrates the significant potential in using this wearable technology to evaluate human performance across multiple tasks and, simultaneously, the adverse effects of body-borne loads on performance. The study addresses a major need of military organizations worldwide that frequently employ standardized obstacle courses to understand how added loads influence warfighter performance. Importantly, the findings and conclusions drawn from IMU data would not be possible using traditional timing metrics used to evaluate task performance.
Editor: United States: Public Library of Science
Idioma: Inglês

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Body-worn IMU array reveals effects of load on performance in an outdoor obstacle course

Vitali, Rachel V ; Cain, Stephen M ; Ojeda, Lauro V ; Potter, Michael V ; Zaferiou, Antonia M ; Davidson, Steven P ; Coyne, Megan E ; Hancock, Clifford L ; Mendoza, Alyssa ; Stirling, Leia A ; Perkins, Noel C Jan, Yih-Kuen

United States: Public Library of Science

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