From: Effects of chiropractic spinal manipulation on laser-evoked pain and brain activity
No intervention
Placebo intervention
SM at T4
SM at T8
PRE
27.8 ± 4.6
27.5 ± 3.9
25.2 ± 2.8
23.1 ± 2.6
POST
28.1 ± 4.6
27.0 ± 3.9
19.8 ± 2.8
19.2 ± 2.6