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Correlation between variables.
| Correlation coefficient (Spearman's r) | ||
|---|---|---|
| Fear avoidance | Pain | |
| Time to fatigue | −0.40∗ | −0.29 |
| Peak extensor EMG | −0.40∗ | −0.24 |
| Handgrip strength | 0.17 | 0.13 |
Coefficient (Spearman's r) between pre- and postintervention changes in fear avoidance, pain intensity, time to fatigue, peak extensor EMG (during the fatigue test), and handgrip strength. ∗ P < 0.05.
