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

doi:10.5312/wjo.v11.i3.158

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World Journal of Orthopedics

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2218-5836

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Observational Study

World J Orthop. Mar 18, 2020; 11(3): 158-166
Published online Mar 18, 2020. doi: 10.5312/wjo.v11.i3.158

Table 4 The median value, quartiles and Mann-Whitney U test comparing men and women for pressure pain threshold measurement pre and post prolonged flexed lumbar sitting posture

Variables	Pre-test			Post-test			Gender difference in change in PPT between pre and post (P value)
Variables	Women median (quartiles)	Men median (quartiles)	P value	Women median (quartiles)	Men median (quartiles)	P value
L1-L2	353 (314, 434)	405 (358, 518)	0.14	295 (236, 346)	340 (284, 441)	0.09	0.96
L2-L3	319 (271, 416)	379 (337, 521)	0.09	286 (219, 347)	322 (288, 470)	0.08	0.92
L3-L4	299 (281, 400)	370 (320, 453)	0.16	261 (229, 338)	331 (264, 453)	0.09	0.88
L4-L5	306 (265, 395)	321 (299, 474)	0.25	233 (214, 351)	302 (275, 479)	0.12	0.13
All variables (L1-L2, L2-L3, L3-L4 and L4-L5)	331 (288, 403)	366 (298, 400)	0.10	269 (227, 344)	322 (285, 455)	0.10	0.55

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