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. 2025 Jan 24;15:3144. doi: 10.1038/s41598-025-86845-8

Table 2.

Results of load cell (Newtons) during maximum voluntary isometric contraction.

EI group CI group
T1 (19) T2 (19) T3(19) T4(19) T1 (19) T2 (19) T3 (13) T4 (13)
Dorsal flexion—Peak 58.17 (54.50) 76.64 (56.69)* 71.80 (53.85) 77.56 (58.45) 35.37 (34.43) 43.67 (47.02) 43.56 (49.42) 51.83 (2.87)
Dorsal flexion—Mean 46.95 (45.97) 63.27 (50.78)* 59.16 (47.07) 71.81 (59.11)* 39.23 (41.72) 49.36 (49.91) 46.44 (51.33) 48.68 (57.78)
Dorsal flexion—strength gain (%) compared with T1 24.01–37.76% 52.95%
Knee extension—Peak 94.59 (64.03) 121.22 (72.80)* 108.99 (70.55) 116.26 (98.29) 88.11 (51.83) 99.47 (59.31) 91.26 (59.32) 90.38 (55.26)
Knee extension—Mean 87.15 (58.81) 111.87 (67.95)* 101.40 (66.18) 109.30 (94.30) 78.96 (47.58) 83.33 (58.44) 83.89 (52.26) 83.45 (49.42)
Knee extension—strength gain (%) from T1 28.15–28.36%
Hip abduction—Peak 71.56 (50.72) 106.29 (69.28)* 88.77 (57.58)* 78.20 (51.11) 53.36 (41.74) 70.83 (42.81)* 69.57 (54.45) 69.39 (53.78)
Hip abduction—Mean 68.39 (46.68) 94.17 (63.77)* 82.08 (54.80) 69.06 (44.57) 44.94 (33.77) 63.29 (39.32)* 60.40 (47.94) 63.38 (49.90)
Hip abduction—strength gain (%) from T1 37.70 − 48.53% 24.05% 32.74–40.83%
Hip extension—peak 73.12 (74.23) 105.72 (74.17)* 95.41 (79.89)* 89.85 (86.90) 62.16 (35.97) 82.14 (62.26)* 88.00 (61.87) 69.28 (41.05)
Hip extension—Mean 72.88 (68.30) 96.67 (76.19)* 89.55 (77.19) 84.33 (81.83) 56.48 (33.75) 73.21 (56.49) 79.12 (55.53) 60.55 (36.78)
Hip extension—strength gain (%) from T1 32.64–44.58% 30.48% 32.14%
Plantar flexion—Peak 68.17 (72.93) 94.09 (85.21)* 81.71 (77.15) 89.05 (86.40) 53.42 (45.53) 66.94 (85.22) 68.15 (60.50) 65.78 (63.67)
Plantar flexion—Mean 62.13 (64.80) 88.05 (96.66)* 72.37 (74.92) 79.42 (82.74) 47.54 (42.87) 59.11 (47.45) 62.65 (55.71) 56.35 (51.81)
Plantar flexion—strength gain (%) from T1 38.02–41.72%

T1 pre-intervention assessment, T2 post-intervention assessment, T3 1 month follow-up, T4 3 months follow-up, EI experimental intervention, CI control intervention.

*p < 0.05 with T1. Results are expressed as mean (SD).