| Reliability and accuracy of a video analysis protocol to assess core ability. | |
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MedLine Citation:
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PMID: 21402366 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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OBJECTIVE: To develop and test a method to measure core ability in healthy athletes with 2-dimensional video analysis software (SiliconCOACH). Specific objectives were to: (1) develop a standardized exercise battery with progressions of increasing difficulty to evaluate areas of core ability in elite athletes; (2) develop an objective and quantitative grading rubric with the use of video analysis software; (3) assess the test-retest reliability of the exercise battery; (4) assess the interrater and intrarater reliability of the video analysis system; and (5) assess the accuracy of the assessment. DESIGN: Test-retest repeatability and accuracy. SETTING: Testing was conducted in the Stanford Human Performance Laboratory, Stanford University, Stanford, CA. PARTICIPANTS: Nine female gymnasts currently training with the Stanford Varsity Women's Gymnastics Team participated in testing. METHODS: Participants completed a test battery composed of planks, side planks, and leg bridges of increasing difficulty. Subjects completed two 20-minute testing sessions within a 4- to 10-day period. Two-dimensional sagittal-plane video was captured simultaneously with 3-dimensional motion capture. MAIN OUTCOME MEASUREMENTS: The main outcome measures were pelvic displacement and time that elapsed until failure occurred, as measured with SiliconCOACH video analysis software. Test-retest and interrater and intrarater reliability of the video analysis measures was assessed. Accuracy as compared with 3-dimensional motion capture also was assessed. RESULTS: Levels reached during the side planks and leg bridges had an excellent test-retest correlation (r(2) = 0.84, r(2) = 0.95). Pelvis displacements measured by examiner 1 and examiner 2 had an excellent correlation (r(2) = 0.86, intraclass correlation coefficient = 0.92). Pelvis displacements measured by examiner 1 during independent grading sessions had an excellent correlation (r(2) = 0.92). Pelvis displacements from the plank and from a set of combined plank and side plank exercises both had an excellent correlation with 3-dimensional motion capture measures (r(2) = 0.92, r(2) = 0.90). CONCLUSIONS: Core ability test battery with SiliconCOACH grading method is an accurate and reliable way to assess core ability exercise performance. |
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Authors:
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Dawn A McDonald; James Q Delgadillo; Michael Fredericson; Jennifer McConnell; Melissa Hodgins; Thor F Besier |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: PM & R : the journal of injury, function, and rehabilitation Volume: 3 ISSN: 1934-1482 ISO Abbreviation: PM R Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-03-15 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101491319 Medline TA: PM R Country: United States |
Other Details:
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Languages: eng Pagination: 204-11 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 American Academy of Physical Medicine and Rehabilitation. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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Stanford Human Performance Laboratory, Stanford University, Stanford, CA(⁎). |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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