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Sensors 2017, 17(10), 2398; https://doi.org/10.3390/s17102398

An Objective Balance Error Scoring System for Sideline Concussion Evaluation Using Duplex Kinect Sensors

School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China
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Received: 10 September 2017 / Revised: 16 October 2017 / Accepted: 18 October 2017 / Published: 20 October 2017
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Abstract

Sports-related concussion is a common sports injury that might induce potential long-term consequences without early diagnosis and intervention in the field. However, there are few options of such sensor systems available. The aim of the study is to propose and validate an automated concussion administration and scoring approach, which is objective, affordable and capable of detecting all balance errors required by the balance error scoring system (BESS) protocol in the field condition. Our approach is first to capture human body skeleton positions using two Microsoft Kinect sensors in the proposed configuration and merge the data by a custom-made algorithm to remove the self-occlusion of limbs. The standing balance errors according to BESS protocol were further measured and accessed automatically by the proposed algorithm. Simultaneously, the BESS test was filmed for scoring by an experienced rater. Two results were compared using Pearson coefficient r, obtaining an excellent consistency (r = 0.93, p < 0.05). In addition, BESS test–retest was performed after seven days and compared using intraclass correlation coefficients (ICC), showing a good test–retest reliability (ICC = 0.81, p < 0.01). The proposed approach could be an alternative of objective tools to assess postural stability for sideline sports concussion diagnosis. View Full-Text
Keywords: concussion evaluation; postural stability; balance error scoring system; Kinect sensor concussion evaluation; postural stability; balance error scoring system; Kinect sensor
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Zhu, M.; Huang, Z.; Ma, C.; Li, Y. An Objective Balance Error Scoring System for Sideline Concussion Evaluation Using Duplex Kinect Sensors. Sensors 2017, 17, 2398.

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