Journal of The Korean Society of Physical Medicine

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Table. 2.

Comparison of the muscle activity (%MVIC) according to external pelvic compression methods between the low back pain experienced group and the non-experienced group

NLBPG (n = 15) LBPG (n = 15) t F (G x T)
RA

No compression 51.49 ± 22.46a 72.74 ± 22.22 -2.605*
ReaLine 41.61 ± 18.66 78.08 ± 51.05 -2.599* 1.364
Com-pressor 43.77 ± 17.08 72.71 ± 35.63 -2.836**
F 7.600* 1.200

EO

No compression 56.40 ± 14.08 63.48 ± 21.58 -1.064
ReaLine 57.87 ± 22.64 61.62 ± 23.19 -.448 .352
Com-pressor 55.69 ± 19.28 64.51 ± 24.44 -1.098
F .175 .182

ES

No compression 10.00 ± 3.52 10.35 ± 5.34 -.212
ReaLine 9.84 ± 3.23 10.50 ± 5.63 -.396 .933
Com-pressor 9.78 ± 3.15 11.50 ± 6.74 -.896
F .400 2.533

GM

No compression 7.38 ± 5.33 8.18 ± 8.09 -.317
EPC 6.27 ± 3.79 8.81 ± 8.43 -1.063 1.110
Com-pressor 6.67 ± 3.83 10.46 ± 14.09 -1.004
F .933 2.271

aMean(%MVIC) ± SD, *p < .05, **p < .01, There is a significant difference from no compression (p < .05). NLBPG: Non-experienced low back pain group, LBPG: Experienced low back pain group, RA: Rectus abdominis, EO: External oblique, ES: Erector spinae, GM: Gluteus maximus, G x T: Group x Time.

J Korean Soc Phys Med 2023;18:99-111 https://doi.org/10.13066/kspm.2023.18.3.99
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