Letter to the editor: Topographical pressure pain sensitivity maps of the shoulder region in individuals with subacromial pain syndrome

We applaud the authors’ efforts to provide clinicians with useful information regarding the test-retest reliability, standard error of measurement (SEM) and minimal detectable change (MCD) of the pressure pain sensitivity test in a clinical sample of subjects with sub acromial pain (Ribeiro et al., 2015). The test provides a quantitative data on a linear scale but the results are influenced by operator performance, patient cognitions, and operator-patient interaction (Walton, et al., 2014). Ribeiro et al.

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