Quantifying warfighter performance during a bounding rush (prone-sprinting-prone) maneuver

A single sacrum mounted inertial measurement unit (IMU) was employed to analyze warfighter performance on a bounding rush (prone-sprinting-prone) task. Thirty-nine participants (23M/16F) performed a bounding rush task consisting of four bounding rush cycles. The sacrum mounted IMU recorded angular v...

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Veröffentlicht in:Applied ergonomics 2021-07, Vol.94, p.103382-103382, Article 103382
Hauptverfasser: Davidson, Steven P., Cain, Stephen M., Ojeda, Lauro, Zaferiou, Antonia M., Vitali, Rachel V., Stirling, Leia A., Perkins, Noel C.
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container_issue
container_start_page 103382
container_title Applied ergonomics
container_volume 94
creator Davidson, Steven P.
Cain, Stephen M.
Ojeda, Lauro
Zaferiou, Antonia M.
Vitali, Rachel V.
Stirling, Leia A.
Perkins, Noel C.
description A single sacrum mounted inertial measurement unit (IMU) was employed to analyze warfighter performance on a bounding rush (prone-sprinting-prone) task. Thirty-nine participants (23M/16F) performed a bounding rush task consisting of four bounding rush cycles. The sacrum mounted IMU recorded angular velocity and acceleration data were used to provide estimates of sacral velocity and position. Individual rush cycles were parsed into three principal movement phases; namely, the get up, sprint, and get down phases. The timing of each phase was analyzed, averaged for each participant, and compared to the overall rush cycle time using regression analysis. A cluster analysis further reveals differences between high and low performers. Get down time was most predictive of bounding rush performance (R2 = 0.75) followed by get up time (R2 = 0.58) and sprint time (R2 = 0.40). Comparing high and low performers, the get down time exhibited nearly twice the effect on mean rush cycle time compared to get up time (effect size of −2.61 to −1.46, respectively). Overall, this IMU-based method reveals key features of the bounding rush that govern performance. Consequently, this objective method may support future training regimens and performance standards for military recruits, and parallel applications for athletes. •Inertial Measurement Units provide a novel way to quantitatively analyze bounding rush (prone-sprinting-prone) movements.•IMUs can readily detect movement sub-phases during a bounding rush which can be exploited for analysis of performance.•Mean get down time is most predictive of performance during bounding rush movement.•Further studies can utilize this technology to analyze bounding rush performance in specialized populations.
doi_str_mv 10.1016/j.apergo.2021.103382
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subjects Biomechanics
Bounding rush
Inertial measurement units
Warfighter performance
title Quantifying warfighter performance during a bounding rush (prone-sprinting-prone) maneuver
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