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Invited commentary on central hypersensitivity in patients with subacromial impingement syndrome
1Department of Physical Medicine and Rehabilitation, Mayo Clinic, Jacksonville, FL, USA. dorsher.peter@mayo.edu
Archives of Physical Medicine and Rehabilitation
|August 11, 2012
Abstract:
Pain pressure threshold (PPT) measurement by handheld algometer has been validated as a tool to identify and quantitate myofascial pain sites in an individual. The average of 3 readings at a given muscle site is used, so the standard error of measurement of these devices must be considered when determining whether PPT differences between muscle sites represent true changes. This commentary discusses this issue.