Table 5.
Group | Index | 3 years | 4 years | 5 years | ||||
---|---|---|---|---|---|---|---|---|
Control group (n = 22) | Experimental group (n = 22) | Control group (n = 16) | Experimental group (n = 22) | Control group (n = 22) | Experimental group (n = 16) | |||
FEO | Area | Pretest | 4.96 ± 2.86 | 4.84 ± 3.71 | 4.25 ± 2.18 | 4.17 ± 1.79 | 3.06 ± 2.01 | 2.94 ± 1.72 |
Posttest | 4.16 ± 2.66 | 3.49 ± 2.53 | 3.28 ± 2.891) | 3.24 ± 1.644)5) | 2.16 ± 1.941) | 1.86 ± 0.783)5) | ||
Δ | −0.80 ± 0.20 | −1.35 ± 1.19 | −0.97 ± 0.18 | −0.96 ± 0.01 | −1.08 ± 0.06 | −1.15 ± 0.02 | ||
Cohen's d | 0.28 | 0.42 | 0.37 | 0.62 | 0.45 | 0.80 | ||
Length | Pretest | 108.09 ± 68.22 | 105.30 ± 51.06 | 75.37 ± 29.96 | 73.33 ± 25.88 | 43.10 ± 16.72 | 43.37 ± 17.20 | |
Posttest | 92.1 ± 38.22 | 69.84 ± 39.573)5) | 63.18 ± 27.961) | 56.66 ± 24.063)5) | 38.92 ± 15.71 | 35.53 ± 12.013)5) | ||
Δ | −16.99 ± 5.22 | −35.46 ± 6.31 | −12.19 ± 2.13 | −16.67 ± 2.37 | −4.18 ± 1.01 | −7.84 ± 5.19 | ||
Cohen's d | 0.28 | 0.77 | 0.40 | 0.81 | 0.25 | 0.57 | ||
A-P | Pretest | 3.12 ± 1.13 | 2.91 ± 1.11 | 2.58 ± 0.85 | 2.61 ± 1.04 | 1.97 ± 0.85 | 1.96 ± 0.54 | |
Posttest | 2.89 ± 0.92 | 2.60 ± 0.99 | 2.31 ± 0.99 | 2.03 ± 0.913)5) | 1.89 ± 0.72 | 1.84 ± 0.50 | ||
Δ | −0.28 ± 0.02 | −0.34 ± 0.01 | −0.27 ± 0.01 | −0.58 ± 0.03 | −0.08 ± 0.01 | −0.32 ± 0.04 | ||
Cohen's d | 0.22 | 0.29 | 0.29 | 0.59 | 0.10 | 0.23 | ||
M-L | Pretest | 4.19 ± 2.16 | 4.24 ± 2.44 | 3.63 ± 1.85 | 3.59 ± 2.42 | 2.63 ± 1.53 | 2.59 ± 1.62 | |
Posttest | 3.64 ± 1.98 | 3.57 ± 1.96 | 2.53 ± 1.561) | 2.16 ± 1.823) | 2.16 ± 0.821) | 1.96 ± 0.873) | ||
Δ | −0.55 ± 0.07 | −0.67 ± 0.08 | −1.15 ± 0.09 | −1.43 ± 0.60 | −0.47 ± 0.09 | −0.63 ± 0.04 | ||
Cohen's d | 0.26 | 0.30 | 0.64 | 0.66 | 0.38 | 0.48 | ||
FEC | Area | Pretest | 5.11 ± 1.68 | 5.10 ± 2.84 | 4.76 ± 1.97 | 4.78 ± 1.84 | 3.39 ± 1.56 | 3.24 ± 1.53 |
Posttest | 4.71 ± 1.54 | 3.64 ± 2.263)5) | 4.20 ± 1.76 | 3.96 ± 1.624)5) | 2.98 ± 1.32 | 2.46 ± 1.363)5) | ||
Δ | −0.40 ± 0.14 | −1.46 ± 0.58 | −0.56 ± 0.21 | −0.82 ± 0.22 | −0.41 ± 0.34 | −0.78 ± 0.17 | ||
Cohen's d | 0.24 | 0.56 | 0.29 | 0.47 | 0.28 | 0.53 | ||
Length | Pretest | 113.51 ± 38.03 | 110.17 ± 43.17 | 85.32 ± 27.59 | 85.53 ± 26.61 | 55.09 ± 19.90 | 53.75 ± 12.81 | |
Posttest | 88.32 ± 30.111) | 78.57 ± 29.343)5) | 68.20 ± 20.741) | 64.52 ± 20.973) | 45.42 ± 15.881) | 42.79 ± 10.343)5) | ||
Δ | −25.19 ± 8.13 | −31.63 ± 14.23 | −17.12 ± 6.85 | −21.01 ± 5.64 | −9.67 ± 4.02 | −10.04 ± 2.47 | ||
Cohen's d | 0.73 | 0.85 | 0.70 | 0.87 | 0.53 | 0.94 | ||
A-P | Pretest | 4.19 ± 1.34 | 4.02 ± 1.59 | 3.69 ± 1.12 | 3.67 ± 1.13 | 3.12 ± 0.88 | 3.09 ± 0.86 | |
Posttest | 3.92 ± 1.11 | 3.69 ± 1.13 | 3.11 ± 0.991) | 2.89 ± 0.783)5) | 2.89 ± 0.78 | 2.48 ± 0.46 | ||
Δ | −0.27 ± 0.23 | −0.33 ± 0.46 | −0.58 ± 0.1 | −0.78 ± ±0.35 | −0.23 ± 0.10 | −0.61 ± 0.40 | ||
Cohen's d | 0.21 | 0.23 | 0.54 | 0.80 | 0.27 | 0.88 | ||
M-L | Pretest | 5.25 ± 2.14 | 5.22 ± 1.84 | 4.48 ± 1.11 | 4.47 ± 0.93 | 3.81 ± 0.69 | 3.86 ± 0.88 | |
Posttest | 4.31 ± 1.781) | 4.12 ± 1.433) | 3.94 ± 1.021) | 3.76 ± 1.033) | 3.49 ± 0.501) | 3.29 ± 0.753) | ||
Δ | −0.94 ± 0.36 | −1.10 ± 0.41 | −0.54 ± 0.09 | −0.71 ± 0.90 | −0.32 ± 0.19 | −0.57 ± 0.13 | ||
Cohen's d | 0.47 | 0.66 | 0.50 | 0.72 | 0.53 | 0.75 | ||
SFEO | Area | Pretest | 20.71 ± 8.03 | 20.56 ± 8.54 | 17.98 ± 7.40 | 18.11 ± 7.67 | 12.81 ± 4.59 | 12.71 ± 4.88 |
Posttest | 17.73 ± 5.681) | 15.66 ± 5.164)5) | 15.95 ± 6.23 | 14.97 ± 5.583)6) | 10.41 ± 3.031) | 9.52 ± 3.793)5) | ||
Δ | −2.98 ± 0.35 | −4.90 ± 2.38 | −2.03 ± 1.17 | −3.14 ± 1.05 | −2.40 ± 1.56 | −3.19 ± 1.09 | ||
Cohen's d | 0.42 | 0.69 | 0.28 | 0.46 | 0.61 | 0.73 | ||
Length | Pretest | 123.15 ± 26.41 | 112.06 ± 28.06 | 98.33 ± 31.45 | 99.85 ± 26.10 | 70.45 ± 13.34 | 69.06 ± 13.92 | |
Posttest | 105.76 ± 23.791) | 103.17 ± 22.463) | 87.38 ± 21.251) | 85.73 ± 15.424)5) | 63.05 ± 7.691) | 59.38 ± 8.623)5) | ||
Δ | −18.39 ± 3.41 | −18.89 ± 5.60 | −10.95 ± 4.25 | −14.12 ± 3.07 | −7.45 ± 2.16 | −9.68 ± 2.27 | ||
Cohen's d | 0.69 | 0.74 | 0.40 | 0.65 | 0.67 | 0.83 | ||
A-P | Pretest | 9.39 ± 4.05 | 9.44 ± 4.13 | 5.38 ± 2.04 | 5.34 ± 1.48 | 4.54 ± 1.09 | 4.55 ± 1.11 | |
Posttest | 8.29 ± 3.62 | 8.22 ± 3.453)5) | 4.88 ± 1.94 | 4.43 ± 1.233) | 4.39 ± 1.02 | 4.29 ± 1.00 | ||
Δ | −1.10 ± 0.43 | −1.22 ± 0.26 | −0.50 ± 0.10 | −0.81 ± 0.25 | −0.15 ± 0.07 | −0.26 ± 0.11 | ||
Cohen's d | 0.28 | 0.32 | 0.25 | 0.66 | 0.14 | 0.24 | ||
M-L | Pretest | 9.27 ± 2.81 | 9.11 ± 2.59 | 5.85 ± 1.80 | 5.72 ± 1.84 | 4.72 ± 1.11 | 4.52 ± 1.83 | |
Posttest | 7.27 ± 2.311) | 7.04 ± 2.233)5) | 4.87 ± 1.261) | 4.30 ± 1.724)5) | 4.28 ± 1.011) | 3.22 ± 1.773)5) | ||
Δ | −2.00 ± 0.50 | −2.07 ± 0.36 | −0.982 ± 0.54 | −1.42 ± 0.12 | −0.44 ± 0.10 | −1.30 ± 0.06 | ||
Cohen's d | 0.77 | 0.85 | 0.63 | 0.79 | 0.41 | 0.72 |
Note. FEO: both feet with eyes open; FEC: both feet with eyes closed; SFEO: a single foot with eyes open; A-P: anterior-posterior; M-L: medial-lateral. Units: area: cm2; length: cm; A-P: cm; M-L: cm.