Ashokan Arumugam1, Ramakrishnan Mani, Kavitha Raja. 1. Centre for Physiotherapy Research, School of Physiotherapy, University of Otago, Dunedin, New Zealand. aruas177@student.otago.ac.nz8
Abstract
OBJECTIVE: The objective of this study was to evaluate interrater reliability of the craniocervical flexion test (CCFT) on asymptomatic subjects. METHODS: A cross-sectional repeated-measures study design was used. Thirty asymptomatic subjects (15 men and 15 women; mean age, 33.7 years; range, 22-48 years) were recruited for the study. Subjects were positioned in supine lying with a pneumatic pressure sensor of the pressure biofeedback unit placed under the neck. Subjects performed 3 trials of craniocervical flexion with each trial consisting of 5 incremental stages (22, 24, 26, 28, and 30 mm Hg) guided through feedback from the pressure dial of the pressure biofeedback unit. All the trials were scored simultaneously by 2 raters. The outcome measure was the activation score-the maximum pressure (above baseline 20 mm Hg) that was achieved and held in a steady manner for 10 seconds. Intraclass correlation coefficient (ICC 3,1) was analyzed using the 2 repeated scores out of 3 trials for either rater. RESULTS: Interrater reliability (ICC) for the CCFT was 0.91 (95% confidence interval, 0.83-0.96). There was a reasonable agreement on the Bland-Altman plot confirming high reliability of the test. CONCLUSION: The study has shown high interrater reliability when 2 raters simultaneously scored the CCFT trials in asymptomatic individuals.
OBJECTIVE: The objective of this study was to evaluate interrater reliability of the craniocervical flexion test (CCFT) on asymptomatic subjects. METHODS: A cross-sectional repeated-measures study design was used. Thirty asymptomatic subjects (15 men and 15 women; mean age, 33.7 years; range, 22-48 years) were recruited for the study. Subjects were positioned in supine lying with a pneumatic pressure sensor of the pressure biofeedback unit placed under the neck. Subjects performed 3 trials of craniocervical flexion with each trial consisting of 5 incremental stages (22, 24, 26, 28, and 30 mm Hg) guided through feedback from the pressure dial of the pressure biofeedback unit. All the trials were scored simultaneously by 2 raters. The outcome measure was the activation score-the maximum pressure (above baseline 20 mm Hg) that was achieved and held in a steady manner for 10 seconds. Intraclass correlation coefficient (ICC 3,1) was analyzed using the 2 repeated scores out of 3 trials for either rater. RESULTS: Interrater reliability (ICC) for the CCFT was 0.91 (95% confidence interval, 0.83-0.96). There was a reasonable agreement on the Bland-Altman plot confirming high reliability of the test. CONCLUSION: The study has shown high interrater reliability when 2 raters simultaneously scored the CCFT trials in asymptomatic individuals.
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Authors: Ulrika Tranaeus; Nathan Weiss; Victor Lyberg; Martin Hagglund; Markus Waldén; Urban Johnson; Martin Asker; Eva Skillgate Journal: BMJ Open Date: 2022-01-12 Impact factor: 2.692