From: Chronic whiplash and central sensitization; an evaluation of the role of a myofascial trigger points in pain modulation
PPT (lbs)
Pre-injection
(mean, SD)
Post-injection
% change
p-value
Infraspinatus
4.0, 2.0
6.7, 2.3
68
0.000
Wrist Ext
4.3, 2.7
7.7, 3.4
78
Tib Ant
8.2, 4.3
13.4, 6.8
64
0.002