Quantitative and qualitative assessment of frontal plane knee motion in males and females : A reliability and validity study
Copyright © 2018 Elsevier B.V. All rights reserved..
BACKGROUND: The aim was to determine reliability and validity of frontal plane projection angle (FPPA) and visual assessments (VA) in both males and females.
METHODS: Fifty-four participants (30 females) performed lateral step-downs while kinematics were recorded by two-dimensional and three-dimensional analyses. Two raters viewed the videos, extracted images, and measured the FPPA (quantitative). Using the videos, the raters also categorized (qualitative VA) each participant's motion as demonstrating dynamic valgus (>10° valgus), dynamic varus (>10° varus), or no change. Reliability was assessed for FPPA and VA using intraclass correlation coefficients and Kappa, respectively. Validity was determined by comparing the FPPA to three-dimensional measures (Pearson correlations) and comparing the VA to both FPPA and standard reference 3D kinematics (Kappa).
RESULTS: FPPA showed good-excellent reliability (ICC = 0.850-0.998). VA showed minimal-moderate reliability (κ = 0.370-0.766). The FPPA showed large correlations (r = -0.514-0.531) with hip adduction in both sexes but only a moderate relationship with knee abduction in males (r = 0.427-0.445). VA showed no-weak (κ = 0.153-0.475) and weak-moderate (κ = 0.455-0.698) agreement compared to FPPA and no-weak (κ = -0.300-0.183) and no-minimal (κ = -0.078-0.027) disagreement compared to the reference standard 3D kinematics in males and females, respectively.
CONCLUSION: The quantitative FPPA is more reliable and valid than qualitative VA of frontal knee plane motion.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2018 |
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| Erschienen: |
2018 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:25 |
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| Enthalten in: |
The Knee - 25(2018), 6 vom: 29. Dez., Seite 1057-1064 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Simon, Madeline [VerfasserIn] |
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| Links: |
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| Themen: |
Agreement |
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| Anmerkungen: |
Date Completed 11.03.2019 Date Revised 10.12.2019 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.knee.2018.09.008 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM290474507 |
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| 245 | 1 | 0 | |a Quantitative and qualitative assessment of frontal plane knee motion in males and females |b A reliability and validity study |
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| 500 | |a Date Completed 11.03.2019 | ||
| 500 | |a Date Revised 10.12.2019 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2018 Elsevier B.V. All rights reserved. | ||
| 520 | |a BACKGROUND: The aim was to determine reliability and validity of frontal plane projection angle (FPPA) and visual assessments (VA) in both males and females | ||
| 520 | |a METHODS: Fifty-four participants (30 females) performed lateral step-downs while kinematics were recorded by two-dimensional and three-dimensional analyses. Two raters viewed the videos, extracted images, and measured the FPPA (quantitative). Using the videos, the raters also categorized (qualitative VA) each participant's motion as demonstrating dynamic valgus (>10° valgus), dynamic varus (>10° varus), or no change. Reliability was assessed for FPPA and VA using intraclass correlation coefficients and Kappa, respectively. Validity was determined by comparing the FPPA to three-dimensional measures (Pearson correlations) and comparing the VA to both FPPA and standard reference 3D kinematics (Kappa) | ||
| 520 | |a RESULTS: FPPA showed good-excellent reliability (ICC = 0.850-0.998). VA showed minimal-moderate reliability (κ = 0.370-0.766). The FPPA showed large correlations (r = -0.514-0.531) with hip adduction in both sexes but only a moderate relationship with knee abduction in males (r = 0.427-0.445). VA showed no-weak (κ = 0.153-0.475) and weak-moderate (κ = 0.455-0.698) agreement compared to FPPA and no-weak (κ = -0.300-0.183) and no-minimal (κ = -0.078-0.027) disagreement compared to the reference standard 3D kinematics in males and females, respectively | ||
| 520 | |a CONCLUSION: The quantitative FPPA is more reliable and valid than qualitative VA of frontal knee plane motion | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Validation Study | |
| 650 | 4 | |a Agreement | |
| 650 | 4 | |a Frontal plane projection angle | |
| 650 | 4 | |a Knee valgus | |
| 650 | 4 | |a Three-dimensional motion capture | |
| 650 | 4 | |a Two-dimensional video analysis | |
| 700 | 1 | |a Parizek, Chloe |e verfasserin |4 aut | |
| 700 | 1 | |a Earl-Boehm, Jennifer E |e verfasserin |4 aut | |
| 700 | 1 | |a Bazett-Jones, David M |e verfasserin |4 aut | |
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