Introduction
Materials and methods
Procedures
Apparatus
Data acquisition and statistical analysis
Results
Kinematic variables | Sex | CTRL | VIS | VER |
p value group |
p value time |
p value sex | |||
---|---|---|---|---|---|---|---|---|---|---|
Mean ± SD | 95 % CI | Mean ± SD | 95 % CI | Mean ± SD | 95 % CI | |||||
Trunk flexion angle (°) S1 | Male | 11.0 ± 4.2 | 8.4–13.5 | 12.7 ± 7.4 | 8.6–16.8 | 12.3 ± 7.1 | 8.3–16.2 | n.s. | n.s. | 0.054 (CTRL) ES = 0.72 |
Trunk flexion angle (°) S2 | 10.9 ± 4.4 | 8.3–13.5 | 14.6 ± 8.9 | 9.7–19.6 | 13.4 ± 7.5 | 9.3–17.6 | n.s. | n.s. | ||
Trunk flexion angle (°) S3 | 9.9 ± 4.8 | 7.0–12.8 | 13.3 ± 6.7 | 9.5–17.0 | 13.0 ± 6.3 | 9.6–16.5 | n.s. | n.s. | ||
Trunk flexion angle (°) S1 | Female | 15.2 ± 5.5 | 11.8–18.5 | 11.8 ± 4.3 | 9.4–14.2 | 12.4 ± 4.3 | 10.0–14.8 | n.s. | n.s. | |
Trunk flexion angle (°) S2 | 14.7 ± 6.1 | 11.0–18.4 | 12.8 ± 4.6 | 10.3–15.3 | 12.8 ± 3.2 | 11.0–14.6 | n.s. | n.s. | ||
Trunk flexion angle (°) S3 | 13.1 ± 6.0 | 9.5–16.8 | 14.2 ± 4.9 | 11.5–17.0 | 12.0 ± 3.5 | 10.0–13.9 | n.s. | n.s. | ||
Hip flexion angle (°) S1 | Male | 24.7 ± 7.0 | 20.5–28.9 | 27.0 ± 13.5 | 19.2–34.8 | 30.3 ± 12.5 | 23.4–37.3 | n.s. | n.s. | 0.054 (CTRL) ES = −0.68 |
Hip flexion angle (°) S2 | 28.2 ± 11.2 | 21.4–35.0 | 25.8 ± 11.4 | 19.2–32.4 | 32.9 ± 12.4 | 26.1–39.8 | n.s. | n.s. | ||
Hip flexion angle (°) S3 | 25.0 ± 8.1 | 20.1–29.9 | 25.7 ± 10.9 | 19.4–32.0 | 27.6 ± 13.5 | 20.2–35.1 | n.s. | n.s. | ||
Hip flexion angle (°) S1 | Female | 19.9 ± 9.3 | 14.5–25.3 | 22.6 ± 10.0 | 17.0–28.2 | 24.0 ± 10.2 | 18.4–29.6 | n.s. | n.s. | |
Hip flexion angle (°) S2 | 20.1 ± 9.4 | 14.7–25.5 | 19.8 ± 11.5 | 13.5–26.2 | 23.2 ± 8.6 | 18.5–28.0 | n.s. | n.s. | ||
Hip flexion angle (°) S3 | 20.2 ± 8.4 | 15.4–25.1 | 19.4 ± 12.6 | 12.4–26.3 | 23.3 ± 11.8 | 16.7–29.8 | n.s. | n.s. | ||
Knee flexion angle (°) S1 | Male | −53.4 ± 6.5 | −57.1 to −49.7 | −55.8 ± 5.3 | −58.8 to −52.7 | −56.7 ± 5.1 | −59.7 to −53.8 | n.s. | n.s. | 0.047 (VIS) ES = −0.91 |
Knee flexion angle (°) S2 | −52.7 ± 7.4 | −57.1 to −48.6 | −57.1 ± 4.8 | −59.8 to −54.3 | −58.0 ± 6.5 | −61.7 to −54.2 | n.s. | n.s. | ||
Knee flexion angle (°) S3 | −54.7 ± 8.0 | −58.8 to −49.6 | −55.9 ± 6.1 | −59.40 to −52.39 | −57.7 ± 5.8 | −61.4 to −54.7 | n.s. | n.s. | ||
Knee flexion angle (°) S1 | Female | −47.6 ± 6.0 | −52.1 to 44.2 | −52.7 ± 5.1 | −55.53 to −49.94 | −55.4 ± 5.6 | −58.5 to −52.4 | 0.004 (VER vs. CTRL) ES = 1.35 | n.s. | |
Knee flexion angle (°) S2 | −47.9 ± 5.3 | −50.9 to −44.8 | −51.2 ± 4.7 | −53.85 to −48.64 | −55.8 ± 5.0 | −58.6 to −53.0 | 0.001 (VER vs. CTRL) ES = 1.53 0.012 (VER vs. VIS) ES = 0.94 | n.s. | ||
Knee flexion angle (°) S3 | −49.1 ± 6.5 | −52.8 to −45.3 | −49.9 ± 6.7 | −53.57 to −46.18 | −56.7 ± 4.6 | −59.2 to −54.2 | 0.007 (VER vs. CTRL) ES = 1.35 0.003 (VER vs. VIS) ES = 1.19 | n.s. | ||
Ankle dorsiflexion angle (°) S1 | Male | 4.8 ± 4.9 | 2.0–7.6 | 9.4 ± 3.4 | 7.4–11.5 | 7.4 ± 7.1 | 3.4–11.3 | 0.017 (VIS vs. CTRL) ES = −1.11 | 0.034 (CTRL S1 vs. S3) ES = −0.46 0.048 (VER S1 vs. S3) ES = −0.35 0.041 (VER S2 vs. S3) ES = −0.40 | n.s. |
Ankle dorsiflexion angle (°) S2 | 6.3 ± 4.2 | 3.9–8.7 | 11.0 ± 4.5 | 8.3–13.7 | 7.3 ± 5.7 | 4.1–10.4 | 0.018 (VIS vs. CTRL) ES = −1.08 | |||
Ankle dorsiflexion angle (°) S3 | 7.1 ± 5.1 | 4.1–10.0 | 10.5 ± 5.7 | 7.1–14.0 | 9.6 ± 6.0 | 6.3–13.0 | 0.041 (VIS vs. CTRL) ES = −0.64 | |||
Ankle dorsiflexion angle (°) S1 | Female | 5.8 ± 5.7 | 2.6–8.9 | 7.9 ± 5.5 | 4.4–11.4 | 8.3 ± 5.0 | 5.5–11.0 | n.s. | 0.052 (CTRL S1 vs. S2) ES = −0.34 0.016 (VER S1 vs. S3) ES = −0.61 | |
Ankle dorsiflexion angle (°) S2 | 7.8 ± 5.9 | 4.5–11.0 | 8.5 ± 8.1 | 3.4–13.7 | 9.8 ± 5.5 | 6.8–12.8 | n.s. | |||
Ankle dorsiflexion angle (°) S3 | 7.6 ± 6.0 | 4.3–10.8 | 7.1 ± 5.3 | 3.8–10.5 | 11.3 ± 4.9 | 8.6–14.0 | n.s. | |||
Hip RoM (°) S1 | Male | 7.3 ± 4.9 | 4.4–10.3 | 8.2 ± 5.2 | 5.2–11.2 | 7.0 ± 8.6 | 2.3–11.8 | n.s. | n.s. | n.s. |
Hip RoM (°) S2 | 6.3 ± 5.2 | 3.2–9.5 | 7.6 ± 6.7 | 3.8–11.5 | 7.3 ± 8.5 | 2.6–12.0 | n.s. | n.s. | ||
Hip RoM (°) S3 | 5.5 ± 5.3 | 2.2–8.7 | 7.7 ± 6.4 | 4.0–11.3 | 6.1 ± 9.1 | 1.0–11.1 | n.s. | n.s. | ||
Hip RoM (°) S1 | Female | 6.9 ± 6.8 | 3.1–10.7 | 7.5 ± 5.5 | 4.4–10.7 | 5.7 ± 5.7 | 2.5–8.6 | n.s. | n.s. | |
Hip RoM (°) S2 | 4.3 ± 5.9 | 1.0–7.6 | 7.4 ± 8.6 | 2.4–12.3 | 6.6 ± 5.4 | 0.7–8.7 | n.s. | n.s. | ||
Hip RoM (°) S3 | 6.3 ± 5.1 | 3.5–9.1 | 6.7 ± 6.3 | 3.1–10.3 | 4.7 ± 7.3 | −1.8 to 7.6 | n.s. | n.s. | ||
Knee RoM (°) S1 | Male | −32.9 ± 4.6 | −35.3 to −28.4 | −37.4 ± 5.1 | −39.7 to −33.6 | −35.0 ± 8.9 | −39.9 to −30.1 | 0.010 (VIS vs. CTRL) ES = 0.29 | n.s. | n.s. |
Knee RoM (°) S2 | −32.6 ± 4.6 | −35.6 to −25.4 | −37.2 ± 6.4 | −41.0 to −33.2 | −37.1 ± 9.3 | −42.2 to −31.9 | 0.034 (VIS vs. CTRL) ES = 0.61 | n.s. | ||
Knee RoM (°) S3 | −31.8 ± 6.4 | −35.3 to −26.5 | −36.6 ± 6.1 | −39.8 to −32.4 | −36.4 ± 8.4 | −41.1 to −31.8 | 0.021 (VIS vs. CTRL) ES = 0.58 | n.s. | ||
Knee RoM (°) S1 | Female | −34.5 ± 6.5 | −38.2 to −30.9 | −34.6 ± 5.4 | −37.6 to −31.6 | −35.4 ± 5.0 | −38.1 to −32.6 | n.s. | 0.022 (VER S1 vs. S3) ES = −0.48 | |
Knee RoM (°) S2 | −32.7 ± 6.6 | −36.3 to −29.0 | −33.6 ± 6.1 | −37.0 to −30.2 | −33.6 ± 6.1 | −36.9 to −30.2 | n.s. | |||
Knee RoM (°) S3 | −32.8 ± 7.8 | −37.1 to −28.5 | −34.0 ± 6.3 | −37.5 to −30.5 | −32.4 ± 7.1 | −36.3 to −28.5 | n.s. | |||
Ankle RoM (°) S1 | Male | 21.5 ± 12.0 | 14.6–28.5 | 18.8 ± 16.0 | 10.0–27.7 | 17.3 ± 14.3 | 9.4–25.2 | n.s. | n.s. | n.s. |
Ankle RoM (°) S2 | 25.3 ± 10.7 | 19.1–31.5 | 21.0 ± 17.1 | 11.5–30.5 | 18.9 ± 16.5 | 9.7–28.0 | n.s. | n.s. | ||
Ankle RoM (°) S3 | 24.6 ± 10.9 | 18.3–30.9 | 19.3 ± 18.6 | 9.0–29.6 | 21.7 ± 16.6 | 12.5–30.9 | n.s. | n.s. | ||
Ankle RoM (°) S1 | Female | 17.9 ± 13.4 | 10.2–25.6 | 15.6 ± 12.3 | 8.8–22.4 | 24.1 ± 12.7 | 17.1–31.1 | n.s. | n.s. | |
Ankle RoM (°) S2 | 18.1 ± 14.4 | 9.8–26.5 | 17.0 ± 13.9 | 9.3–24.6 | 25.6 ± 13.3 | 18.3–33.0 | n.s. | n.s. | ||
Ankle RoM (°) S3 | 21.3 ± 18.0 | 10.9–31.6 | 19.6 ± 16.4 | 10.6–28.7 | 26.7 ± 12.9 | 19.5–33.8 | n.s. | n.s. |
Kinetic variables | Sex | CTRL | VIS | VER |
p value group |
p value time |
p value sex | |||
---|---|---|---|---|---|---|---|---|---|---|
Mean ± SD | 95 % CI | Mean ± SD | 95 % CI | Mean ± SD | 95 % CI | |||||
vGRF (N/kg) S1 | Male | 21.7 ± 3.3 | 19.8–23.6 | 25.2 ± 3.1 | 23.6–27.1 | 20.6 ± 3.8 | 18.5–22.7 | 0.002 (VIS vs. CTRL) ES = 1.14 0.003 (VIS vs. VER) ES = 1.39 | n.s. | <0.001 (VIS) ES = −2.23 |
vGRF (N/kg) S2 | 22.0 ± 4.0 | 19.7–24.3 | 26.4 ± 2.9 | 24.2–27.4 | 20.8 ± 3.7 | 18.7–22.8 | 0.003 (VIS vs. CTRL) ES = 1.08 0.002 (VIS vs. VER) ES = 1.49 | n.s. | ||
vGRF (N/kg) S3 | 22.5 ± 3.1 | 20.7–24.2 | 26.3 ± 3.2 | 23.4–26.9 | 20.6 ± 3.5 | 18.6–22.5 | 0.008 (VIS vs. CTRL) ES = 0.88 0.002 (VIS vs. VER) ES = 1.38 | n.s. | ||
vGRF (N/kg) S1 | Female | 20.6 ± 2.9 | 19.0–22.2 | 18.3 ± 2.6 | 16.8–19.7 | 19.3 ± 3.3 | 17.5–21.1 | 0.023 (VIS vs. CTRL) ES = −0.81 | n.s. | |
vGRF (N/kg) S2 | 21.0 ± 2.2 | 19.8–22.2 | 18.5 ± 3.5 | 16.5–20.4 | 19.3 ± 4.0 | 17.2–21.5 | 0.023 (VIS vs. CTRL) ES = −1.15 | n.s. | ||
vGRF (N/kg) S3 | 21.3 ± 3.3 | 19.5–23.2 | 18.8 ± 3.4 | 16.9–20.7 | 19.6 ± 3.7 | 17.5–21.6 | 0.023 (VIS vs. CTRL) ES = 0.78 | n.s. | ||
Knee flexion moment (Nm/kg) S1 | Male | −2.7 ± 0.7 | −3.1 to −2.3 | −3.7 ± 0.9 | −4.3 to −3.3 | −2.8 ± 0.6 | −3.1 to −2.5 | 0.001 (VIS vs. CTRL) ES = −1.43 0.005 (VIS vs. VER) ES = −1.33 | n.s. | <0.001 (VIS) ES = 1.72 |
Knee flexion moment (Nm/kg) S2 | −2.8 ± 0.7 | −3.1 to −2.4 | −3.8 ± 1.2 | −4.7 to −3.3 | −3.0 ± 0.8 | −3.5 to −2.6 | 0.009 (VIS vs. CTRL) ES = −1.28 0.021 (VIS vs. VER) ES = −0.94 | n.s. | ||
Knee flexion moment (Nm/kg) S3 | −2.9 ± 0.5 | −3.2 to −2.7 | −3.9 ± 1.3 | −4.6 to −3.2 | −2.9 ± 0.9 | −3.4 to −2.5 | 0.011 (VIS vs. CTRL) ES = −1.04 0.049 (VIS vs. VER) ES = −0.89 | n.s. | ||
Knee flexion moment (Nm/kg) S1 | Female | −2.8 ± 0.6 | −3.1 to −2.5 | −2.4 ± 0.5 | −2.7 to −2.1 | −2.5 ± 0.7 | −3.0 to −2.1 | n.s. | n.s. | |
Knee flexion moment (Nm/kg) S2 | −2.8 ± 0.5 | −3.0 to −2.5 | −2.5 ± 0.5 | −2.7 to −2.2 | −2.5 ± 0.8 | −2.9 to −2.0 | n.s. | n.s. | ||
Knee flexion moment (Nm/kg) S3 | −2.7 ± 0.5 | −3.0 to −2.4 | −2.4 ± 0.5 | −2.6 to −2.1 | −2.7 ± 0.8 | −3.1 to −2.2 | n.s. | n.s. | ||
Knee varus (+)/valgus (−) moment (Nm/kg) S1 | Male | −0.23 ± 0.69 | −0.63 to 0.16 | −0.23 ± 0.78 | −0.67 to 0.20 | −0.21 ± 0.65 | −0.57 to 0.15 | n.s. | n.s. | 0.040 (CTRL) ES = −0.86 |
Knee varus (+)/valgus (−) moment (Nm/kg) S2 | −0.29 ± 0.69 | −0.69 to 0.11 | −0.12 ± 0.94 | −0.64 to 0.40 | −0.13 ± 0.62 | −0.48 to 0.21 | n.s. | n.s. | ||
Knee varus (+)/valgus (−) moment (Nm/kg) S3 | −0.23 ± 0.69 | −0.63 to 0.16 | −0.06 ± 0.94 | −0.58 to 0.46 | −0.17 ± 0.61 | −0.51 to 0.17 | n.s. | n.s. | ||
Knee varus (+)/valgus (−) moment (Nm/kg) S1 | Female | 0.27 ± 0.48 | −0.01 to 0.55 | 0.23 ± 0.50 | −0.04 to 0.51 | 0.07 ± 0.43 | −0.16 to 0.31 | n.s. | n.s. | |
Knee varus (+)/valgus (−) moment (Nm/kg) S2 | 0.31 ± 0.50 | 0.03–0.60 | 0.21 ± 0.46 | −0.05 to 0.46 | 0.01 ± 0.38 | −0.20 to 0.22 | n.s. | n.s. | ||
Knee varus (+)/valgus (−) moment (Nm/kg) S3 | 0.18 ± 0.38 | −0.03 to 0.40 | 0.25 ± 0.57 | −0.07 to 0.56 | −0.01 ± 0.33 | −0.19 to 0.17 | n.s. | n.s. | ||
Ankle dorsiflexion moment (Nm/kg) S1 | Male | 2.8 ± 0.7 | 2.5–3.2 | 3.1 ± 0.7 | 2.7–3.5 | 2.4 ± 0.7 | 1.2–2.8 | 0.022 (VIS vs. VER) ES = −0.92 | 0.050 (VIS S1 vs. S3) ES = 0.45 0.023 (VIS S2 vs. S3) ES = 0.51 | 0.035 (CTRL) ES = 0.76 <0.001 (VIS) ES = 1.35 |
Ankle dorsiflexion moment (Nm/kg) S2 | 2.8 ± 0.9 | 2.3–3.3 | 3.11 ± 0.8 | 2.7–3.6 | 2.4 ± 0.8 | 2.0–2.8 | 0.010 (VIS vs. VER) ES = −0.97 | |||
Ankle dorsiflexion moment (Nm/kg) S3 | 3.0 ± 0.9 | 2.5–3.5 | 2.7 ± 0.8 | 2.3–3.2 | 2.5 ± 0.6 | 2.1–2.8 | n.s. | |||
Ankle dorsiflexion moment (Nm/kg) S1 | Female | 2.2 ± 0.6 | 1.8–2.5 | 2.0 ± 0.5 | 1.7–2.3 | 2.3 ± 0.5 | 2.0–2.6 | n.s. | n.s. | |
Ankle dorsiflexion moment (Nm/kg) S2 | 2.2 ± 0.7 | 1.9–2.6 | 2.0 ± 0.7 | 1.6–2.4 | 2.4 ± 0.6 | 2.1–2.7 | n.s. | n.s. | ||
Ankle dorsiflexion moment (Nm/kg) S3 | 2.5 ± 0.8 | 2.1–2.9 | 2.0 ± 0.7 | 1.6–2.4 | 2.4 ± 0.5 | 2.1–2.7 | n.s. | n.s. |