ArticleProgress in rehabilitation medicine2026
Intra- and Inter-examiner Reliability of Quantitative Sensory Testing of Knee Joints in Healthy Subjects.
Article in Progress in rehabilitation medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objectives: Examiner reliability of dynamic quantitative sensory testing (QST) of the knee varies across studies, and the optimal assessment site remains unclear. This study aimed to examine the intra- and inter-examiner reliability of QST performed at the medial joint space of the knee. Methods: A cross-sectional study was conducted in 30 healthy adults. QST was assessed at the medial knee joint space using the following measures: pressure pain threshold (PPT) for static QST and temporal summation (TS) and conditioned pain modulation (CPM) for dynamic QST. Two examiners performed each measurement twice on the same day. Intra-examiner reliability was evaluated using intraclass correlation coefficients [ICC (1, k)], and inter-examiner reliability was evaluated using ICC (2, k) and ICC (3, k). Results: The intra-examiner reliability ICCs for Examiners A/B were 0.98/0.99 for PPT, 0.81/0.88 for TS, 0.79/0.90 for CPM absolute change, and 0.84/0.95 for CPM percentage change. Inter-examiner reliability showed ICC (2, k)/ICC (3, k) values of 0.89/0.91 for PPT, 0.91/0.91 for TS, 0.66/0.66 for CPM absolute change, and 0.64/0.64 for CPM percentage change. Conclusions: This exploratory study suggested that QST performed at the medial joint space of the knee exhibited good intra- and inter-examiner reliability, with low variability compared to previously reported assessment sites. These preliminary findings indicate a potential advantage of this location for assessing knee pain. Future studies are needed to verify the clinical validity and applicability of these findings in patients with knee disorders.
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