| Total (N = 54) | ACL-RSI over 60 points (N = 31) | ACL-RSI under 60 points (N = 23) | P | Effect size |
---|---|---|---|---|---|
Knee extension strength (60Â deg/s) | |||||
Involved limb, Nm/kg | 2.07 ± 0.39 [1.96–2.18] | 2.13 ± 0.41 [1.98–2.28] | 1.98 ± 0.36 [1.83–2.14] | 0.164 | 0.25 |
Uninvolved limb, Nm/kg | 2.49 ± 0.47 [2.37–2.62] | 2.57 ± 0.46 [2.40–2.74] | 2.39 ± 0.46 [2.19–2.59] | 0.167 | 0.40 |
LSI, % | 83.74 ± 10.84 [80.78–86.70] | 83.53 ± 10.23 [79.77–87.28] | 84.03 ± 11.83 [78.91–89.15] | 0.867 | 0.05 |
Knee flexion strength (60Â deg/s) | |||||
Involved limb, Nm/kg | 1.08 ± 0.25 [1.01–1.14] | 1.12 ± 0.21 [1.05–1.20] | 1.01 ± 0.28 [0.89–1.13] | 0.098 | 0.40 |
Uninvolved limb, Nm/kg | 1.29 (0.42) [1.17–1.40] | 1.26 (0.34) [1.23–1.45] | 1.11 (0.30) [0.98–1.45] | 0.026* | −0.30 |
LSI, % | 86.59 ± 16.55 [82.07–91.10] | 85.62 ± 14.29 [80.38–90.86] | 87.89 ± 19.45 [79.48–96.30] | 0.638 | 0.14 |
HQ ratio (60Â deg/s) | |||||
Involved limb, % | 52.26 ± 9.15 [49.76–54.76] | 53.35 ± 8.40 [50.27–56.43] | 50.79 ± 10.08 [46.43–55.15] | 0.315 | 0.28 |
Uninvolved limb, % | 49.92 (9.50) [48.12–54.70] | 52.34 (6.64) [48.92–56.38] | 46.46 (10.27) [43.57–55.91] | 0.026* | −0.30 |
Knee extension strength (180Â deg/s) | |||||
In involved limb, Nm/kg | 1.45 ± 0.26 [1.37–1.52] | 1.50 ± 0.24 [1.41–1.59] | 1.38 ± 0.27 [1.26–1.49] | 0.089 | 0.40 |
Uninvolved limb, Nm/kg | 1.78 ± 0.31 [1.69–1.86] | 1.82 ± 0.29 [1.71–1.92] | 1.72 ± 0.33 [1.57–1.87] | 0.252 | 0.33 |
LSI, % | 80.42 (9.66) [79.43–83.94] | 80.69 (10.53) [79.55–85.83] | 78.66 (10.63) [76.97–83.71] | 0.447 | −0.10 |
Knee flexion strength (180Â deg/s) | |||||
Involved limb, Nm/kg | 0.84 ± 0.22 [0.78–0.90] | 0.90 ± 0.18 [0.83–0.96] | 0.77 ± 0.24 [0.67–0.88] | 0.040* | 0.50 |
Uninvolved limb, Nm/kg | 0.97 ± 0.21 [0.91–1.02] | 1.00 ± 0.19 [0.94–1.07] | 0.91 ± 0.22 [0.82–1.01] | 0.116 | 0.50 |
LSI, % | 87.32 ± 13.48 [83.64–91.00] | 89.44 ± 9.43 [85.98–92.90] | 84.46 ± 17.37 [76.94–91.97] | 0.222 | 0.37 |
HQ ratio (180Â deg/s) | |||||
Involved limb, % | 58.24 ± 10.37 [55.41–61.07] | 60.16 ± 9.03 [56.85–63.47] | 55.66 ± 11.65 [50.62–60.69] | 0.116 | 0.44 |
Uninvolved limb, % | 54.50 ± 7.62 [52.42–56.58] | 55.57 ± 7.98 [52.65–58.50] | 53.04 ± 7.02 [50.01–56.08] | 0.232 | 0.34 |
Leg anterior reach distance | |||||
Involved limb, % lower limb length | 69.8 ± 6.5 [68.0–71.6] | 70.3 ± 6.7 [67.8–72.8] | 69.1 ± 6.3 [66.4–71.9] | 0.524 | 0.18 |
Uninvolved limb, % lower limb length | 72.0 ± 6.4 [70.2–73.8] | 71.5 ± 7.1 [68.9–74.1] | 72.7 ± 5.5 [70.4–75.1] | 0.488 | 0.19 |
LSI, % | 97.0 ± 4.7 [95.7–98.3] | 98.5 ± 3.8 [97.1–99.8] | 95.1 ± 5.3 [92.8–97.4] | 0.008* | 0.76 |
Anterior SLH distance | |||||
Involved limb, % height | 62.3 ± 15.1 [58.2–66.4] | 65.4 ± 14.7 [60.1–70.8] | 58.1 ± 14.9 [51.7–64.5] | 0.077 | 0.49 |
Uninvolved limb, % height | 71.5 ± 14.5 [67.7–75.7] | 73.0 ± 16.2 [67.1–79.0] | 70.0 ± 12.0 [64.7–75.2] | 0.449 | 0.21 |
LSI, % | 89.6 (16.5) [83.6–90.8] | 90.4 (13.1) [86.7–93.9] | 86.5 (25.5) [76.1–89.9] | 0.139 | −0.20 |
Lateral SLH distance | |||||
Involved limb, % height | 47.6 ± 12.6 [44.1–51.0] | 50.6 ± 12.1 [46.2–55.1] | 43.4 ± 12.4 [38.1–48.8] | 0.036* | 0.59 |
Uninvolved limb, % height | 56.1 ± 12.0 [52.8–59.3] | 57.6 ± 13.1 [52.8–62.4] | 54.0 ± 10.3 [49.5–58.4] | 0.279 | 0.30 |
LSI, % | 84.5 ± 13.3 [80.9–88.1] | 88.3 ± 11.4 [84.1–92.5] | 79.3 ± 14.2 [73.2–85.5] | 0.013* | 0.71 |
Medial SLH distance | |||||
Involved limb, % height | 52.1 ± 13.7 [48.4–55.9] | 56.4 ± 13.8 [51.3–61.4] | 46.4 ± 11.7 [41.4–51.5] | 0.007* | 0.77 |
Uninvolved limb, % height | 58.4 ± 12.4 [55.0–61.8] | 60.6 ± 13.6 [55.6–65.6] | 55.6 ± 10.2 [51.2–60.0] | 0.146 | 0.41 |
LSI, % | 89.5 (16.1) [85.1–92.9] | 93.2 (13.5) [89.0–97.7] | 82.9 (19.1) [76.5–89.8] | 0.018* | −0.32 |
Subjective running ability, % | 80.0 (30.0) [79.5–87.5] | 95.0 (20.0) [85.3–93.9] | 80 (10.0) [69.1–81.4] | 0.001* | −0.47 |
Tampa scale for kinesiophobia | 35.6 ± 6.5 [33.9–37.4] | 33.5 ± 6.2 [31.2–35.7] | 38.5 ± 5.9 [36.0–41.1] | 0.004* | 0.82 |