Table 2.
Baseline Data of Pressure-Pain Threshold and Short-form McGill Pain Questionnaire. M ± SD Units: kgf.
| Sham Training (n = 15) | Low Intensity (n = 14) | High Intensity (n = 15) | F | p | |
|---|---|---|---|---|---|
| Levator scapula | 3.92 ± 1.53 | 3.96 ± 1.65 | 4.03 ± 1.57 | 0.018 | 0.982 |
| Rhomboid muscle | 4.64 ± 1.72 | 4.86 ± 1.89 | 4.52 ± 1.67 | 0.141 | 0.869 |
| Iliopsoas | 5.29 ± 2.00 | 5.67 ± 2.08 | 4.95 ± 1.92 | 0.464 | 0.632 |
| Quadratus lumborum | 5.76 ± 2.07 | 6.43 ± 2.06 | 6.15 ± 2.19 | 0.379 | 0.687 |
| Erector spinae | 7.32 ± 2.85 | 7.60 ± 2.40 | 7.96 ± 2.12 | 0.252 | 0.778 |
| Transversus abdominis | 5.75 ± 2.00 | 5.82 ± 2.14 | 5.60 ± 2.24 | 0.041 | 0.960 |
| Gluteus medius | 6.47 ± 2.01 | 6.14 ± 1.65 | 5.99 ± 1.55 | 0.294 | 0.747 |
| Piriformis | 6.73 ± 2.01 | 6.80 ± 1.67 | 6.26 ± 1.90 | 0.314 | 0.732 |
| Hamstring muscle | 7.12 ± 2.69 | 7.00 ± 2.10 | 5.85 ± 2.25 | 1.296 | 0.285 |
| Gastrocnemius | 5.28 ± 1.56 | 5.78 ± 1.29 | 4.96 ± 1.48 | 1.181 | 0.317 |
| Body surface pain radiation | 6.80 ± 8.22 | 18.57 ± 21.02 | 17.00 ± 11.13 | 2.932 | 0.065 |
| Short-form McGill Pain Questionnairea | |||||
| Sensory items | 4.87 ± 2.16 | 5.45 ± 3.01 | 5.80 ± 3.75 | 1.122 | 0.579 |
| Emotion items | 1.27 ± 1.22 | 2.29 ± 2.89 | 1.20 ± 1.57 | 1.324 | 0.277 |
| VASb | 4.63 ± 2.78 | 5.46 ± 2.00 | 4.20 ± 2.21 | 1.065 | 0.354 |
| Present pain intensityc | 0.73 ± 0.70 | 0.71 ± 0.61 | 1.00 ± 0.85 | 0.710 | 0.497 |
a:Assessed pain during 120% PPT stimulation; b: Pain score at 120% PPT stimulation for 60 s; c: Pain score at the erector spinae stimulation point 1 min after the pain tolerance threshold was measured