Copyright
©The Author(s) 2020.
World J Orthop. Mar 18, 2020; 11(3): 158-166
Published online Mar 18, 2020. doi: 10.5312/wjo.v11.i3.158
Published online Mar 18, 2020. doi: 10.5312/wjo.v11.i3.158
Table 1 The median value and quartiles, Wilcoxon signed rank test and effect size r for the whole study population regarding interspinous pressure pain thresholds before (pre-test) and after (post-test) exposure to prolonged flexed lumbar sitting posture
| Variables | Pre-test median (quartiles) | Post-test median (quartiles) | Z-standardised test statistic | P value | Effect size r |
| L1-L2 | 397 (349, 448) | 315 (256, 369) | -4.382 | < 0.001 | -0.60 |
| L2-L3 | 361 (300, 441) | 310 (251, 366) | -3.798 | < 0.001 | -0.52 |
| L3-L4 | 339 (285, 398) | 305 (244, 357) | -3.480 | < 0.001 | -0.47 |
| L4-L5 | 316 (293, 397) | 294 (230, 381) | -3.277 | 0.001 | -0.45 |
| All variables (L1-L2, L2-L3, L3-L4 and L4-L5) | 359 (298, 400) | 312 (252, 350) | -4.229 | < 0.001 | -0.56 |
- Citation: Petersson M, Abbott A. Lumbar interspinous pressure pain threshold values for healthy young men and women and the effect of prolonged fully flexed lumbar sitting posture: An observational study. World J Orthop 2020; 11(3): 158-166
- URL: https://www.wjgnet.com/2218-5836/full/v11/i3/158.htm
- DOI: https://dx.doi.org/10.5312/wjo.v11.i3.158