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. 2021 Nov 1;21(21):7284. doi: 10.3390/s21217284

Table 3.

Limits of Stability test results.

Direction Control Group TTA Group p d Direction Control Group TTA Group p d
Maximum excursion (%)
Forward 87.61 (12.56) 72.28 (14.25) 0.002 1.14 Backward 77.39 (10.58) 74.56 (17.98) 0.568 0.19
Forward_I/R 87.44 (14.32) 81.67 (12.03) 0.199 0.44 Backward_P/L 93.22 (9.92) 80.56 (12.97) 0.002 1.1
I/Rt 88.00 (10.82) 80.06 (8.64) 0.020 0.81 P/L 91.11 (7.78) 76.00 (7.49) <0.001 1.98
Backward_I/R 93.78 (10.20) 86.78 (13.09) 0.082 0.60 Forward_P/L 94.78 (11.95) 71.06 (17.21) <0.001 1.60
Endpoint excursion (%)
Forward 75.56 (19.16) 62.72 (17.05) 0.041 0.71 Backward 56.11 (13.67) 49.89 (18.08) 0.252 0.39
Forward_I/R 76.11 (16.72) 75.89 (12.47) 0.964 0.57 Backward_P/L 77.22 (14.82) 66.72 (21.60) 0.098 0.57
I/R 79.00 (8.85) 70.94 (18.08) 0.102 0.02 P/L 81.44 (7.98) 66.33 (12.52) <0.001 1.44
Backward_I/R 63.11 (19.04) 77.5 (16.68) 0.405 0.28 Forward_P/L 82.61 (24.11) 62.22 (18.15) 0.007 0.96
Movement velocity (deg/s)
Forward 4.72 (1.91) 4.00 (2.52) 0.064 0.40 Backward 3.67 (1.27) 2.56 (1.10) 0.008 0.93
Forward_I/R 5.83 (2.1) 4.42 (1.99) 0.047 0.69 Backward_P/L 5.21 (2.07) 4.04 (2.18) 0.109 0.55
I/R 5.82 (2.76) 4.47 (2.16) 0.088 0.59 P/L 6.49 (2.91) 4.99 (2.54) 0.026 0.55
Backward_I/R 5.89 (2.08) 3.37 (1.47) <0.001 1.40 Forward_P/L 5.93 (1.9) 3.99 (2.52) 0.013 0.87
Directional control (%)
Forward 88.22 (5.11) 82.22 (12.54) 0.073 0.63 Backward 75.78 (9.97) 67.89 (15.98) 0.085 0.59
Forward_I/R 75.28 (10.28) 78.50 (10.34) 0.355 -0.31 Backward_P/L 64.17 (23.19) 64.11 (16.06) 0.993 0.00
I/R 84.83 (6.71) 84.28 (8.71) 0.831 0.07 P/L 84.56 (7.28) 86.89 (4.60) 0.258 −0.38
Backward_I/R 93.78 (10.20) 74.17 (12.20) 0.046 -0.69 Forward_P/L 79.44 (7.96) 77.44 (12.67) 0.574 0.19

P—prosthetic leg in TTA group, R—right leg in control group, I—intact leg in TTA group, L—left leg in control group, d—Cohen’s d.