From: Reduced thoracolumbar fascia shear strain in human chronic low back pain
 | Males | Females |  | ||||
---|---|---|---|---|---|---|---|
Outcomes | No-LBP (n = 24) | LBP (n = 38) | No-LBP (n = 26) | LBP (n = 33) | Group p-value | Sex p-value | Group by Sex p-value |
Percent Shear Strain | 64.70 ± 5.17 | 50.88 ± 3.77 | 75.36 ± 5.02 | 62.73 ± 5.18 | .007 | .02 | .90 |
Perimuscular Thickness* | 0.37 ± 0.04a | 0.49 ± 0.03b | 0.41 ± 0.03a | 0.41 ± 0.03a | .07 | .50 | .09 |
Perimuscular Echogenicity* | 0.13 ± 0.01 | 0.16 ± 0.01 | 0.14 ± 0.01 | 0.15 ± .01 | .007 | .92 | .30 |
Flexion Range of Motion | 53.90 ± 1.88 | 46.38 ± 2.27 | 53.58 ± 1.84 | 52.13 ± 1.78 | .03 | .19 | .15 |
Extension Range of Motion | 16.90 ± 1.89a | 9.74 ± 0.86b | 16.89 ± 1.55a | 16.28 ± 1.92a | .02 | .04 | .04 |
Lateral Flexion | 19.51 ± 0.68a | 17.07 ± 0.61b | 18.02 ± 0.67a | 18.23 ± 0.61a | .09 | .80 | .04 |
Repeated Trunk Flexion* | 7.97 ± 0.52 | 9.88 ± 0.41 | 8.27 ± 0.45 | 9.64 ± 0.41 | <.001 | .94 | .56 |
Repeated Sit to Stand | 10.71 ± 0.43a | 13.42 ± 0.62b | 11.90 ± 0.54a | 12.67 ± 0.41a | .002 | .69 | .08 |
50 Foot Walk Regular Speed* | 10.64 ± 0.35 | 11.58 ± 0.27 | 11.19 ± 0.30 | 11.97 ± 0.28 | .005 | .12 | .80 |
50 Foot Walk Fast Speed* | 6.82 ± 0.26 | 7.56 ± 0.20 | 7.25 ± 0.22 | 8.24 ± 0.21 | <.001 | .71 | .57 |
Sorensen's* | 126.5 ± 10.1a | 104.9 ± 7.9a | 139.2 ± 8.9a | 85.7 ± 8.1b | <.001 | .71 | .08 |