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Papers of the Week

2021 Dec 17

Musculoskelet Sci Pract


Pressure pain threshold mappings of the infraspinatus muscle in chronic unilateral shoulder pain patients do not reflect generalized hypersensitivity.


Intelangelo L, Bordachar D, Mendoza C, Lassaga I, Barbosa A C, Manresa J B, Mista C
Musculoskelet Sci Pract. 2021 Dec 17; 58:102495.
PMID: 35114503.


Increased mechanical sensitivity has been observed on the unaffected side in chronic pain conditions, suggesting generalized or widespread hypersensitivity. However, this cannot be considered as a universal response since this hypersensitivity is inconsistent across muscle pain pathologies. The aim of this study was to assess generalized hypersensitivity in chronic unilateral shoulder pain, using pressure pain threshold (PPT) mappings of the infraspinatus muscle. The proposed evaluation is based on the assessment of PPT on a limited subset of sites, reducing potential habituation or sensitization effects.