From: The regional effect of spinal manipulation on the pressure pain threshold in asymptomatic subjects: a systematic literature review
Regions
First Author, Year [ref]
General quality classification of articles
Significant difference of outcomes between groups (Yes/No)
Cervical
Hamilton, 2007 [20]
High
No
Oliveira Campelo, 2010 [22]
Yes: Masseter
No: Temporalis
Thoracic
Bishop, 2011 [25]
Low