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Wilcoxon signed rank test results and effect size.
| Parameter | Wilcoxon Signed Rank Test (Heels vs. Barefoot, Paired) | Matched Pairs Rank-Biserial Correlation |
|---|---|---|
| Thoracic kyphosis angle | W = 547, p = 0.13 | 0.23 (small) |
| Lumbar lordosis angle | W = 620, p = 0.40 | −0.13 (small) |
| Pelvic inclination angle *** | W = 201, p < 0.001 | −0.72 (medium to large) |
| Vertical balance angle *** | W = 51, p < 0.001 | −0.93 (large) |
*** p < 0.001.
