From: The reliability of spinal motion palpation determination of the location of the stiffest spinal site is influenced by confidence ratings: a secondary analysis of three studies
Study
N
Age (years)
Gender, % female
Pain (0–10)
Thoracic
52
25.8
21.2
0.7
Cervical
27
27.1
35.5
0.8
Lumbar
34
25.4
54.3
0.5