Reliability and measurement error of exercise-induced hypoalgesia in pain-free adults and adults with musculoskeletal pain: A systematic review

Vladimir Aron*, David Strul, Henrik Bjarke Vaegter, Laurent Pitance, Susan Armijo-Olivo

*Kontaktforfatter

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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Abstract

Objectives ‒ We systematically reviewed the reliability and measurement error of exercise-induced hypoalgesia (EIH) in pain-free adults and in adults with musculoskeletal (MSK) pain. Methods ‒ We searched EMBASE, PUBMED, SCOPUS, CINAHL, and PSYCINFO from inception to November 2021 (updated in February 2024). In addition, manual searches of the grey literature were conducted in March 2022, September 2023, and February 2024. The inclusion criteria were as follows: adults – pain-free and with MSK pain – a single bout of exercise (any type) combined with experimental pre-post pain tests, and assessment of the reliability and/or measurement error of EIH. Two independent reviewers selected the studies, assessed their Risk of Bias (RoB) with the COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) RoB tool, and graded the individual results (COSMIN modified Grading of Recommendations Assessment, Development, and Evaluation). Results ‒ We included five studies involving pain-free individuals (n = 168), which were deemed to have an overall “doubtful” RoB. No study including adults with MSK pain was found. The following ranges of parameters of reliability and measurement error of EIH were reported: intraclass correlation coefficients: 0–0.61; kappa: 0.01–0.46; standard error of measurement: 30.1–105 kPa and 10.4–21%; smallest detectable changes: 83.54–291.1 kPa and 28.83–58.21%. Conclusions ‒ We concluded, with a very low level of certainty, that the reliability and measurement error of EIH is, in pain-free adults, respectively, “insufficient” and “indeterminate.” Future studies should focus on people with MSK pain and could consider using tailored exercises, other test modalities than pressure pain threshold, rater/ assessor blinding, and strict control of the sources of variations (e.g., participants’ expectations).

OriginalsprogEngelsk
Artikelnummer20230104
TidsskriftScandinavian Journal of Pain
Vol/bind24
Udgave nummer1
Antal sider20
ISSN1877-8860
DOI
StatusUdgivet - 1. jan. 2024

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