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. 2022 Nov 7;19(21):14597. doi: 10.3390/ijerph192114597

Table 2.

Knee extensor strength, force control and Y balance test data from baseline (week 0) and the end of the intervention (week 4). Values are means ± SD.

Control Intervention
Week 0 Week 4 Week 0 Week 4
MVC (N·m) 237.4 ± 53.7 240.3 ± 58.5 189.8 ± 87.6 210.2 ± 104.6
SD
10% MVC (N·m) 0.87 ± 0.20 0.86 ± 0.13 0.83 ± 0.33 0.79 ± 0.24
20% MVC (N·m) 1.24 ± 0.19 1.16 ± 0.23 1.37 ± 0.47 1.27 ± 0.85
40% MVC (N·m) 2.46 ± 0.88 2.28 ± 0.57 3.41 ± 1.60 2.14 ± 0.85
CV
10% MVC (%) 3.81 ± 0.69 3.71 ± 1.03 4.29 ± 0.99 4.17 ± 0.81
20% MVC (%) 2.97 ± 0.97 2.78 ± 0.64 3.74 ± 1.00 3.49 ± 1.09
40% MVC (%) 2.78 ± 107 2.64 ± 0.71 4.46 ± 1.27 3.05 ± 0.87
ApEn
10% MVC 0.83 ± 0.12 0.78 ± 0.03 0.85 ± 0.10 0.80 ± 0.08
20% MVC 0.73 ± 0.13 0.71 ± 0.05 0.76 ± 0.14 0.70 ± 0.10
40% MVC 0.59 ± 0.09 0.60 ± 0.05 0.52 ± 0.17 0.58 ± 0.09
DFA α
10% MVC 1.04 ± 0.07 0.99 ± 0.06 1.00 ± 0.10 1.03 ± 0.21
20% MVC 1.16 ± 0.07 1.10 ± 0.05 1.14 ± 0.11 1.13 ± 0.14
40% MVC 1.30 ± 0.05 1.25 ± 0.05 1.29 ± 0.09 1.23 ± 0.08
Y balance test (left stance)
Anterior reach (% LL) 65.4 ± 10.0 64.8 ± 8.0 62.1 ± 6.3 63.3 ± 6.1
Posteromedial reach (% LL) 111.5 ± 14.3 115.4 ± 16.3 102.9 ± 10.3 106.9 ± 6.9
Posterolateral reach (% LL) 111.1 ± 8.9 113.6 ± 14.5 99.5 ± 10.3 107.4 ± 6.8
Composite reach (% LL) 104.2 ± 11.3 106.4 ± 14.3 97.7 ± 11.6 102.4 ± 6.5
Y balance test (right stance)
Anterior reach (% LL) 64.5 ± 6.5 64.5 ± 6.3 60.9 ± 5.6 64.2 ± 4.8
Posteromedial reach (% LL) 113.7 ± 14.1 112.8 ± 14.6 106.4 ± 7.7 107.8 ± 6.3
Posterolateral reach (% LL) 112.0 ± 12.6 111.4 ± 14.9 104.0 ± 5.9 106.0 ± 9.2
Composite reach (% LL) 105.2 ± 12.9 104.7 ± 12.9 100.4 ± 8.5 102.8 ± 7.0

MVC = maximal voluntary contraction; SD = standard deviation; CV = coefficient of variation; ApEn = approximate entropy; DFA = detrended fluctuation analysis; LL = leg length. Bold indicates a significant difference (p < 0.05) from Week 0.