Journal of The Korean Society of Physical Medicine

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Table. 2.

Table. 2.

Comparison of the effects of pain level, lower back pain disability level, psychosocial level, hip abduction strength, lumbar instability positive response counter, dynamic balance ability according to lumbar stabilization exercises between GMWG and GMNWG

Variable (Units) GMWG (n=18) GMNWG (n=17) t F (G x T) Effect size
QVAS (cm) Pre 4.96±.75a 4.96±.81 -.019 4.998* .76
Post 2.53±.64 2.10±.90 1.619
Change 2.43±.61 2.86±.53 -2.236*
t 17.040** 22.403**

KODI (%) Pre 23.46±6.39 24.58±6.64 -.508 6.557* .87
Post 16.79±5.51 15.69±6.06 .565
Change 6.67±2.16 8.89±2.94 -2.561*
t 13.120** 12.467**

FABQ-PA (score) Pre 15.67±4.46 15.47±3.64 .142 1.073 .35
Post 10.56±4.00 9.71±3.35 .679
Change 5.11±1.88 5.77±1.86 -1.036
t 11.564** 12.813**

FABQ-W (score) Pre 22.67±8.93 21.41±7.81 .442 4.786* .74
Post 17.17±7.80 14.12±7.17 1.202
Change 5.50±2.55 7.29±2.29 -2.188*
t 9.153** 13.162**

FABQ-total (score) Pre 38.33±11.31 36.88±10.35 .395 5.449* .79
Post 27.72±10.19 23.82±9.44 1.172
Change 10.61±3.50 13.06±2.61 -2.334*
t 12.862** 20.634**

HAS (kg) Pre 62.83±13.33 80.12±18.03 -3.239** 11.665** 1.16
Post 78.44±13.98 101.12±20.12 -3.891**
Change -15.61±2.81 -21.00±6.04 3.415**
t -23.566** -14.332**

LIC (number) Pre 3.56±.51 3.65±.79 -.406 4.104 .69
Post 2.28±.90 1.88±.70 1.453
Change 1.28±.75 1.77±.66 -2.026
t 7.210** 10.954**

YBT (score) Pre 78.72±6.13 82.31±8.37 -1.456 .386 .21
Post 85.83±6.10 88.90±6.57 -1.431
Change -7.11±2.47 -6.58±2.57 -.621
t -12.235** -10.544**

aMean±Standard deviation, *p < .05, **p < .01, GMWG: gluteus medius weakness group. GMNWG: gluteus medius non-weakened group, QVAS: quadruple visual analogue scale, KODI: Korean Oswestry disability index, FABQ: fear-avoidance beliefs questionnaire, PA: physical activity, W: work, HAS: hip abduction strength, LIC: lumbar instability tests positive response counter, YBT: y-balance test, G x T: Group x Time

J Korean Soc Phys Med 2024;19:29-45 https://doi.org/10.13066/kspm.2024.19.2.29
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