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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