Table 2. Results of the linear regression models of the outcome parameters for the minimalist shoe and control group representing changes from baseline (M1) to the second (M2) and third (M3) measurement time points.
| b | p-value | SE b | 95% CI | |
|---|---|---|---|---|
| FPI-6 | ||||
| Control M2 | -0.18 | .68 | 0.44 | -1.04, 0.68 |
| Control M3 * | -1.38 | .003 | 0.45 | -2.26, 0.50 |
| MS M2 * | -3.72 | < .001 | 0.62 | -4.94, 2.51 |
| MS M3 * | -1.71 | .009 | 0.62 | -2.94, 0.48 |
| ARI | ||||
| Control M2 | 0.018 | .13 | 0.012 | -0.005, 0.042 |
| Control M3 | -0.001 | .91 | 0.012 | -0.025, 0.022 |
| MS M2 | -0.019 | .24 | 0.017 | -0.052, 0.013 |
| MS M3 | 0.003 | .86 | 0.017 | -0.030, 0.035 |
| CoP path | ||||
| Control M2 | -7.07 | .72 | 19.66 | -45.80, 31.65 |
| Control M3 | 2.12 | .92 | 20.20 | -37.68, 41.93 |
| MS M2 | -37.73 | .17 | 27.27 | -91.45, 16.00 |
| MS M3 * | -69.33 | .02 | 27.56 | -123.57, 15.08 |
| CoP ellipse area | ||||
| Control M2 | 13.43 | .009 | 4.90 | 3.95, 22.91 |
| Control M3 | 5.15 | .31 | 5.03 | -4.57, 14.88 |
| MS M2 * | -17.96 | .01 | 7.02 | -31.54, 4.37 |
| MS M3 * | -15.97 | .03 | 7.11 | -29.72, 2.21 |
| ROM MTPJ1 | ||||
| Control M2 * | -7.01 | .02 | 2.98 | -12.88, 1.13 |
| Control M3 * | -6.29 | .05 | 3.06 | -12.33, 0.26 |
| MS M2 | 4.56 | .28 | 4.21 | -3.75, 12.87 |
| MS M3 | -0.15 | .97 | 4.27 | -8.57, 8.27 |
| ROM Ankle | ||||
| Control M2 | 0.17 | .67 | 0.39 | -0.59, 0.93 |
| Control M3 | -0.31 | .45 | 0.40 | -1.09, 0.48 |
| MS M2 | -0.03 | .96 | 0.55 | -1.11, 1.05 |
| MS M3 | 0.02 | .97 | 0.56 | -1.08, 1.11 |
| ROM posterior chain | ||||
| Control M2 | 1.36 | .07 | 0.72 | -0.06, 2.78 |
| Control M3 | 0.70 | .35 | 0.74 | -0.76, 2.16 |
| MS M2 | 0.60 | .57 | 1.02 | -1.40, 2.61 |
| MS M3 | 1.03 | .32 | 1.03 | -1.01, 3.06 |
| Bunkie Test | ||||
| Control M2 | 0.79 | .71 | 2.16 | -3.46, 5.05 |
| Control M3 * | 6.56 | .005 | 2.21 | 2.20, 10.93 |
| MS M2 * | 6.97 | .03 | 3.11 | 0.84, 13.10 |
| MS M3 | 2.89 | .36 | 3.15 | -3.31, 9.10 |
| IPCT | ||||
| Control M2 * | -15.98 | .03 | 7.16 | -30.09, 1.86 |
| Control M3 | 8.44 | .25 | 7.31 | -5.98, 22.85 |
| MS M2 * | 21.14 | .04 | 9.93 | 1.55, 40.74 |
| MS M3 | 12.30 | .23 | 10.04 | -7.51, 32.12 |
| Isokinetic measurement of hamstrings’ strength at 60°/s | ||||
| Control M2 | -3.25 | .24 | 2.70 | -8.58, 2.08 |
| Control M3 | -4.20 | .13 | 2.70 | -9.53, 1.13 |
| MS M2 | -2.56 | .50 | 3.77 | -9.99, 4.87 |
| MS M3 | -2.87 | .45 | 3.77 | -10.30, 4.57 |
| Isokinetic measurement of hamstrings’ strength at 120°/s | ||||
| Control M2 | -3.27 | .21 | 2.58 | -8.35, 1.82 |
| Control M3 | -1.41 | .59 | 2.58 | -6.49, 3.68 |
| MS M2 | -0.11 | .98 | 3.60 | -7.20, 6.98 |
| MS M3 | -4.48 | .23 | 3.60 | -11.57, 2.61 |
Note. ARI, Arch Rigidity Index; CI, confidence interval; FPI-6, Foot Posture Index 6; M2, measurement point 2; M3, measurement point 3; MS, minimalist shoe group; SE, standard error; ROM, range of motion; MTPJ1, first metatarsophalangeal joint; CoP, center of pressure; IPCT, standing 90:20 Isometric Posterior Chain Test; Note
* indicates a statistically significant result (p ≤ .05).