Table 5: Comparisons of spinal ROM in LSS subjects with or without CLBP.

VariablesLSS alone ( 𝑛 = 2 2 )LSS+CLBP ( 𝑛 = 4 6 )Total ( 𝑛 = 6 8 )

Thoracic flex-upr ROM (°)7.9 (4.7)7.1 (5.9)7.4 (5.5)
Thoracic upr-ext ROM (°)9.1 (5.8)10.8 (9.5)10.2 (8.4)
Thoracic ROM (°)17.0 (7.6)18.0 (10.7)17.7 (9.7)
Lumbar flex-upr ROM (°)20.1 (12.6)25.2 (14.4)23.5 (13.9)
Lumbar upr-ext ROM (°)10.7 (9.9)8.2 (6.8)9.1 (8.0)
Lumbar ROM (°)30.9 (16.1)33.4 (16.0)32.5 (16.0)
Total flex-upr ROM (°)28.0 (14.5)32.3 (16.1)30.9 (15.6)
Total upr-ext ROM (°)19.9 (10.8)19.0 (11.9)19.3 (11.4)
Total ROM (°)47.9 (18.6)51.4 (21.6)50.2 (20.5)

LSS: lumbar spinal stenosis; CLBP: chronic low back pain; upr: upright position; flex: flexed position; ext: extended position; ROM: range of motion.
Data are presented as mean (SD).