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Table 4 Pre and post injection changes in PPT, all measurements taken within 1 minute of the final injection

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
(mean, SD)
% 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 0.000
Tib Ant 8.2, 4.3 13.4, 6.8 64 0.002