A systematic review on the validity and reliability of tape measurement method in leg length discrepancy

Behshid Farahmand, Esmaeil Ebrahimi Takamjani, Hamid Reza Yazdi, Hassan Saeedi, Mohammad Kamali, Masumeh Bagherzadeh Cham, Behshid Farahmand, Esmaeil Ebrahimi Takamjani, Hamid Reza Yazdi, Hassan Saeedi, Mohammad Kamali, Masumeh Bagherzadeh Cham

Abstract

Background: Leg length discrepancy measurement is an essential part of musculoskeletal clinical assessment, and tape measurement is a common clinical method. This study aimed to systematically review the results of the findings of studies on validity and reliability of the tape measurement method and the quality of reporting the literature on this topic. Methods: A search was performed in PubMed, EBSCO, Science Direct, Web of Knowledge, Scopus, Embase, and Google Scholar using selected keywords from inception to December 2017.This systematic review was based on the PRISMA guideline. After a systematic selection process, the quality of the included studies was assessed independently by 2 reviewers using the Brink and Louw Scale for quality assessment. Results: A total of 11 studies were finally considered for this systematic review. Two studies were about the validity of (a measurement tool) studies and 4 were reliability analysis only. Validity and reliability analyses were simultaneously applied to 5 studies. Also, 9 out of 11 studies were deemed to be of high quality based on Brink and Louw Scale. Studies showed high (ICC=0.7) to very high (ICC=0.9) levels of interrater and intrarater reliability. The validity of the methods ranged from low to very high depending on subjects. Conclusion: Tape measurement method has acceptable reliability and validity in healthy people, but it does not have acceptable validity in measuring obese people and patients with musculoskeletal disorders. Thus, using a suitable method for LLD leg length discrepancy measurement seems to be necessary for obese and individuals with leg length discrepancy.

Keywords: Leg length discrepancy; Reliability; Validity.

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Source: PubMed

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