Semnan University of Medical Sciences

Research and Technology Vice Chancellor

Pourahmadi, Mohammad Reza and Bagheri, Rasool and Taghipour, Morteza and Takamjani, Ismail Ebrahimi and Sarrafzadeh, Javad and Mohseni-Bandpei, Mohammad Ali (2018) A new iPhone application for measuring active craniocervical range of motion in patients with non-specific neck pain: a reliability and validity study. The Spine Journal, 18 (3). pp. 447-457. ISSN 15299430

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BACKGROUND CONTEXT: Measurement of cervical spine range of motion (ROM) is often considered to be an essential component of cervical spine physiotherapy assessment. PURPOSE: This study aimed to investigate the reliability and validity of an iPhone application (app) (Goniometer Pro) for measuring active craniocervical ROM (ACCROM) in patients with non-specific neck pain. STUDY DESIGN/SETTING: A cross-sectional study was conducted at the musculoskeletal biomechanics laboratory located at Iran University of Medical Sciences. PATIENT SAMPLE: Forty non-specific neck pain patients participated in this study. OUTCOME MEASURES:The outcome measure was the ACCROM, including flexion, extension, lateral flexion, and rotation. METHOD: Following the recruitment process, ACCROM was measured using a universal goniometer (UG) and iPhone 7 app. Two blinded examiners each used the UG and iPhone to measure ACCROM in the following sequences: flexion, extension, lateral flexion, and rotation. The second (2 hours later) and third (48 hours later) sessions were carried out in the same manner as the first session. Intraclass correlation coefficient (ICC) models were used to determine the intra-rater and inter-rater reliability. The Pearson correlation coefficients were used to establish concurrent validity of the iPhone app. Minimum detectable change at the 95% confidence level (MDC95) was also computed. RESULTS: Good intra-rater and inter-rater reliability was demonstrated for the goniometer with ICC values of ≥0.66 and ≥0.70 and the iPhone app with ICC values of ≥0.62 and ≥0.65, respectively. The MDC95 ranged from 2.21° to 12.50° for the intra-rater analysis and from 3.40° to 12.61° for the inter-rater analysis. The concurrent validity between the two instruments was high, with r valuesof ≥0.63. The magnitude of the differences between the UG and iPhone app values (effect sizes) was small, with Cohen d values of ≤0.17. CONCLUSIONS: The iPhone app possesses good reliability and high validity. It seems that this app can be used for measuring ACCROM. Copyright © 2017 Elsevier Inc. All rights reserved. KEYWORDS: Arthrometry, articular; Cervical vertebrae; Neck; Range of motion, articular; Reproducibility of results; Smartphone

Item Type: Article
Subjects: R Medicine > R Medicine (General)
Divisions: Faculty of Medical Sciences > School of Medicine
Depositing User: Mr Vahab Moshtaghi
Date Deposited: 30 Apr 2018 14:03
Last Modified: 23 May 2018 09:56

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