No Difference in Two-Dimensional Kinematic Assessment of a 45-Degree Sidestep Cut Compared to Qualitative Assessment
# Background and Purpose The Expanded Cutting Alignment Scoring Tool (E-CAST) is a two-dimensional qualitative scoring system that has demonstrated moderate inter-rater and good intra-rater reliability for the assessment of trunk and lower extremity alignment during a 45-degree sidestep cut. The pr...
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| Main Authors: | , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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North American Sports Medicine Institute
2023-06-01
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| Series: | International Journal of Sports Physical Therapy |
| Online Access: | https://doi.org/10.26603/001c.74366 |
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| _version_ | 1825196974039629824 |
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| author | Lauren Butler Charles Wyatt Alexa Martinez Ashley Erdman Eryn Milian Dai Sugimoto Alex Loewen Jeffrey Fernandez Kristin Hayden Amie DeVerna Kirsten Tulchin-Francis Sophia Ulman |
| author_facet | Lauren Butler Charles Wyatt Alexa Martinez Ashley Erdman Eryn Milian Dai Sugimoto Alex Loewen Jeffrey Fernandez Kristin Hayden Amie DeVerna Kirsten Tulchin-Francis Sophia Ulman |
| author_sort | Lauren Butler |
| collection | DOAJ |
| description | # Background and Purpose
The Expanded Cutting Alignment Scoring Tool (E-CAST) is a two-dimensional qualitative scoring system that has demonstrated moderate inter-rater and good intra-rater reliability for the assessment of trunk and lower extremity alignment during a 45-degree sidestep cut. The primary purpose of this study was to examine the reliability of the quantitative version of the E-CAST among physical therapists and to compare the reliability of the quantitative E-CAST to the original qualitative E-CAST. The hypothesis was that the quantitative version of the E-CAST would demonstrate greater inter-rater and intra-rater reliability compared to the qualitative E-CAST.
# Study Design
Observational cohort, repeated measures reliability study
# Methods
Twenty-five healthy female athletes (age 13.8±1.4 years) performed three sidestep cuts with two-dimensional video capturing frontal and sagittal views. Two physical therapist raters independently scored a single trial using both views on two separate occasions. Based on the E-CAST criteria, select kinematic measurements were extracted using a motion analysis phone application. Intraclass correlation coefficients and 95% confident intervals were calculated for the total score, and kappa coefficients were calculated per kinematic variable. Correlations were converted to z-scores and compared to the six original criteria for significance (*α*\<0.05).
# Results
Cumulative intra- and inter-rater reliability were both good (ICC=0.821, 95% CI 0.687-0.898 and ICC=0.752, 95% CI 0.565-0.859). Cumulative intra-rater kappa coefficients ranged from moderate to almost perfect, and cumulative inter-rater kappa coefficients ranged from slight to good. No significant differences were observed between the quantitative and qualitative criteria for either inter- or intra-rater reliability (Z~obs(intra)~= -0.38, *p*=0.352 and Z~obs(inter)~= -0.30, *p*=0.382).
# Conclusion
The quantitative E-CAST is a reliable tool to assess trunk and lower extremity alignment during a 45-degree sidestep cut. No significant differences were observed in reliability of the quantitative versus qualitative assessment.
# Level of evidence
3b |
| format | Article |
| id | doaj-art-e73cdbe88bc649a3a087520c63c56898 |
| institution | Kabale University |
| issn | 2159-2896 |
| language | English |
| publishDate | 2023-06-01 |
| publisher | North American Sports Medicine Institute |
| record_format | Article |
| series | International Journal of Sports Physical Therapy |
| spelling | doaj-art-e73cdbe88bc649a3a087520c63c568982025-02-11T20:30:04ZengNorth American Sports Medicine InstituteInternational Journal of Sports Physical Therapy2159-28962023-06-01183No Difference in Two-Dimensional Kinematic Assessment of a 45-Degree Sidestep Cut Compared to Qualitative AssessmentLauren ButlerCharles WyattAlexa MartinezAshley ErdmanEryn MilianDai SugimotoAlex LoewenJeffrey FernandezKristin HaydenAmie DeVernaKirsten Tulchin-FrancisSophia Ulman# Background and Purpose The Expanded Cutting Alignment Scoring Tool (E-CAST) is a two-dimensional qualitative scoring system that has demonstrated moderate inter-rater and good intra-rater reliability for the assessment of trunk and lower extremity alignment during a 45-degree sidestep cut. The primary purpose of this study was to examine the reliability of the quantitative version of the E-CAST among physical therapists and to compare the reliability of the quantitative E-CAST to the original qualitative E-CAST. The hypothesis was that the quantitative version of the E-CAST would demonstrate greater inter-rater and intra-rater reliability compared to the qualitative E-CAST. # Study Design Observational cohort, repeated measures reliability study # Methods Twenty-five healthy female athletes (age 13.8±1.4 years) performed three sidestep cuts with two-dimensional video capturing frontal and sagittal views. Two physical therapist raters independently scored a single trial using both views on two separate occasions. Based on the E-CAST criteria, select kinematic measurements were extracted using a motion analysis phone application. Intraclass correlation coefficients and 95% confident intervals were calculated for the total score, and kappa coefficients were calculated per kinematic variable. Correlations were converted to z-scores and compared to the six original criteria for significance (*α*\<0.05). # Results Cumulative intra- and inter-rater reliability were both good (ICC=0.821, 95% CI 0.687-0.898 and ICC=0.752, 95% CI 0.565-0.859). Cumulative intra-rater kappa coefficients ranged from moderate to almost perfect, and cumulative inter-rater kappa coefficients ranged from slight to good. No significant differences were observed between the quantitative and qualitative criteria for either inter- or intra-rater reliability (Z~obs(intra)~= -0.38, *p*=0.352 and Z~obs(inter)~= -0.30, *p*=0.382). # Conclusion The quantitative E-CAST is a reliable tool to assess trunk and lower extremity alignment during a 45-degree sidestep cut. No significant differences were observed in reliability of the quantitative versus qualitative assessment. # Level of evidence 3bhttps://doi.org/10.26603/001c.74366 |
| spellingShingle | Lauren Butler Charles Wyatt Alexa Martinez Ashley Erdman Eryn Milian Dai Sugimoto Alex Loewen Jeffrey Fernandez Kristin Hayden Amie DeVerna Kirsten Tulchin-Francis Sophia Ulman No Difference in Two-Dimensional Kinematic Assessment of a 45-Degree Sidestep Cut Compared to Qualitative Assessment International Journal of Sports Physical Therapy |
| title | No Difference in Two-Dimensional Kinematic Assessment of a 45-Degree Sidestep Cut Compared to Qualitative Assessment |
| title_full | No Difference in Two-Dimensional Kinematic Assessment of a 45-Degree Sidestep Cut Compared to Qualitative Assessment |
| title_fullStr | No Difference in Two-Dimensional Kinematic Assessment of a 45-Degree Sidestep Cut Compared to Qualitative Assessment |
| title_full_unstemmed | No Difference in Two-Dimensional Kinematic Assessment of a 45-Degree Sidestep Cut Compared to Qualitative Assessment |
| title_short | No Difference in Two-Dimensional Kinematic Assessment of a 45-Degree Sidestep Cut Compared to Qualitative Assessment |
| title_sort | no difference in two dimensional kinematic assessment of a 45 degree sidestep cut compared to qualitative assessment |
| url | https://doi.org/10.26603/001c.74366 |
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