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. 2021 Sep 15;18:137. doi: 10.1186/s12984-021-00930-3

Table 5.

Means and 95% confidence intervals of each measurement in the EMG parameters as well as the probabilities and estimated effect sizes in the statistical analyses. Differences with statistical significance are denoted by * (P ≤ 0.05), ** (P ≤ 0.01), and *** (P ≤ 0.001)

EMG parameters Pre Post Change (+/-) Paired-sample t test
Mean (95% Confidence interval) (%) P-value Cohen's d
Normalized EMG activation level
 APB 10.8 (7.61 to 14.1) 6.25 (3.60 to 8.91) − 4.59 (− 6.95 to − 2.23) 0.001*** − 0.83
 ECU-ED 9.84 (7.45 to 12.2) 7.44 (5.20 to 9.68) − 2.40 (− 5.78 to 0.98) 0.17 − 0.30
 FCR-FD 6.52 (4.73 to 8.32) 3.21 (2.26 to 4.16) − 3.31 (− 4.72 to − 1.90)  < 0.001*** − 1.00
 BIC 7.71 (5.92 to 9.49) 6.12 (4.89 to 7.36) − 1.58 (− 3.45 to 0.28) 0.11 − 0.36
 TRI 7.05 (3.89 to 10.20) 5.77 (3.32 to 8.23) − 1.27 (− 4.81 to 2.26) 0.48 − 0.15
Normalized CI
 APB/ ECU-ED 7.19 (4.65 to 9.72) 4.94 (2.56 to 7.32) − 2.25 (− 5.49 to − 0.99) 0.18 − 0.30
 APB/ FCR-FD 5.98 (4.10 to 7.86) 2.58 (1.64 to 3.51) − 3.41 (− 5.25 to − 1.57) 0.001*** − 0.79
 APB/BIC 5.82 (4.24 to 7.40) 2.91 (2.17 to 3.64) − 2.91 (− 4.65 to − 1.18) 0.003** − 0.72
 APB/ TRI 6.04 (3.16 to 8.91) 4.56 (2.26 to 6.85) − 1.48 (− 4.59 to 1.63) 0.35 − 0.20
 ECU-ED/FCR-FD 5.34 (3.83 to 6.86) 2.69 (1.89 to 3.48) − 2.65 (− 4.14 to − 1.17) 0.002** − 0.76
 ECU-ED/BIC 4.97 (4.14 to 5.81) 3.60 (2.81 to 4.40) − 1.37 (− 2.48 to − 0.26) 0.022* − 0.53
 ECU-ED/TRI 4.18 (3.09 to 5.26) 3.88 (2.39 to 5.37) − 0.30 (− 1.73 to 1.14) 0.684 − 0.09
 FCR-FD/BIC 4.37 (3.15 to 5.59) 2.42 (1.75 to 3.08) − 1.95 (− 3.04 to − 0.87) 0.002** − 0.77
 FCR-FD/ TRI 3.80 (2.59 to 5.01) 2.17 (1.42 to 2.92) − 1.62 (− 2.67 to − 0.58) 0.005** − 0.67
 BIC/TRI 6.64 (4.80 to 8.49) 4.59 (3.54 to 5.63) − 2.06 (− 3.92 to − 0.19) 0.039* − 0.47