2017
DOI: 10.4085/1062-6050-52.10.12
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Automated Quantification of the Landing Error Scoring System With a Markerless Motion-Capture System

Abstract: A markerless motion-capture system had the same level of reliability as expert LESS raters, suggesting that an automated system can accurately assess movement. Therefore, clinicians can use the markerless motion-capture system to reliably score the LESS without being limited by the time requirements of manual LESS scoring.

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Cited by 42 publications
(57 citation statements)
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References 27 publications
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“…The automated system has shown good agreement with the conventional method. 34,48 We believe the differences in data collection methodology between the two research sites are a strength. Both research sites had large, independent sample sizes with similar conclusions.…”
Section: Discussionmentioning
confidence: 99%
See 2 more Smart Citations
“…The automated system has shown good agreement with the conventional method. 34,48 We believe the differences in data collection methodology between the two research sites are a strength. Both research sites had large, independent sample sizes with similar conclusions.…”
Section: Discussionmentioning
confidence: 99%
“…This automated system is comparable to expert human evaluators for the LESS and produces a score on the same scale as the traditional method of scoring. 34 The average of each participant's three total LESS scores was used for analysis to assess the group average for each sport specialization group.…”
Section: Jump-landing Task (Less)mentioning
confidence: 99%
See 1 more Smart Citation
“…In previous research, depth sensor technology has been used to automate LESS scoring [13,15]. Comparisons between automated and expert clinicians indicate a mean difference of 1.20 errors [15], mean absolute difference of 1.13 errors [13], intra-class correlation of 0.80 [16], and percentage agreement of the individual items ranging from 55-100% [13,15]. These research findings are comparable to our lowest mean absolute error (1.23), greatest correlation (r = 0.63), and agreement in risk classification (sensitivity 0.82, specificity 0.77) between actual and predicted scores from the cross validation experiments using random forest regression.…”
Section: Discussionmentioning
confidence: 99%
“…A few of the drawbacks of the LESS is the subjective nature of the assessment, requirement for an expert-rater, and need to view videos at a later stage [13,14]. In recent years, researchers have striven to automate the LESS to streamline the process using depth sensor cameras [13,15]. Dar, Yehiel, and Cale' Benzoor [13] introduced the PhysiMax system (PhysiMax Technologies Ltd., Tel Aviv, Israel) to automate LESS scoring using a personal computer, 3D Microsoft Kinect, and motion analysis software that requires limited clinical input.…”
Section: Of 13mentioning
confidence: 99%