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. 2021 May 24;9(6):73. doi: 10.3390/sports9060073

Table 3.

The 180° turn pre-to-post changes in performance, kinetics, and kinematic variables for IG and CG.

Group Variable Pre Post Hedges’ g Pre-Post Mean Difference SWC Ratio to SWC Individual Responses
Mean SD Mean SD p g ±CI Mean SD (Positive, Non, Negative)
IG Completion time (s) 2.712 0.122 2.616 b 0.099 <0.001 ** −0.84 0.80 −0.096c 0.055 0.024 3.9 12-1-0
GCT (s) 0.484 0.067 0.456 b 0.041 0.073 −0.49 0.78 −0.028 0.051 0.013 2.1 6-5-2
Approach velocity (m/s) 3.96 0.33 4.00 0.24 0.625 0.13 0.77 0.04 0.29 0.07 0.6 8-1-4
PFC change in velocity (m/s) −1.30 0.35 −1.40 0.22 0.25 −0.33 0.77 −0.10 0.29 0.07 1.4 6-4-3
Velocity at FFC (m/s) 2.65 0.21 2.60 0.26 0.374 −0.24 0.77 −0.06 0.23 0.04 1.4 5-3-5
Exit velocity (m/s) 2.14 0.13 2.20 0.13 0.131 0.45 0.78 0.06 0.13 0.03 2.3 7-3-3
CG Completion time (s) 2.725 0.134 2.724 0.133 0.996 0.00 0.80 0.000 0.063 0.027 0.0 5-3-4
GCT (s) 0.529 0.092 0.511 0.085 0.157 −0.20 0.80 −0.018 0.041 0.018 1.0 6-2-4
Approach velocity (m/s) 4.09 0.34 4.09 0.30 0.978 0.01 0.80 0.00 0.20 0.07 0.0 3-3-6
PFC change in velocity (m/s) −1.38 0.20 −1.42 0.20 0.332 −0.15 0.80 −0.03 0.11 0.04 0.8 5-4-3
Velocity at FFC (m/s) 2.70 0.34 2.67 0.28 0.600 −0.09 0.80 −0.03 0.19 0.07 0.4 7-1-4
Exit velocity (m/s) 2.27 0.31 2.21 0.30 0.276 −0.19 0.80 −0.06 0.18 0.06 0.9 4-3-5
IG FFC mean HPF (BW) −0.78 0.09 −0.84 c 0.07 0.058 −0.74 0.79 −0.06 b 0.11 0.02 3.4 8-3-2
FFC H to V mean propulsive ratio 0.72 0.07 0.78 b 0.04 0.006 * 0.89 0.81 0.06 b 0.06 0.01 3.8 10-3-0
PFC mean HBF (BW) −0.51 0.06 −0.53 0.06 0.087 −0.34 0.77 −0.02 0.04 0.01 1.8 7-2-4
PFC H to V mean braking force ratio 0.66 0.03 0.70 c 0.03 <0.001 ** 1.21 0.84 0.04 c 0.03 0.01 5.7 12-0-1
CG FFC mean HPF (BW) −0.76 0.08 −0.74 0.09 0.299 0.17 0.80 0.01 0.05 0.02 0.9 5-2-5
FFC H to V mean propulsive ratio 0.71 0.07 0.70 0.08 0.712 −0.06 0.80 0.00 0.04 0.01 0.3 6-3-3
PFC mean HBF (BW) −0.52 0.07 −0.54 0.10 0.174 −0.23 0.80 −0.02 0.05 0.01 1.4 9-1-2
PFC H to V mean braking force ratio 0.68 0.05 0.67 0.06 0.558 −0.15 0.80 −0.01 0.04 0.01 0.9 5-2-5
IG Lateral trunk flexion (°) 3.9 4.5 4.9 7.5 0.602 0.15 0.77 1.0 6.6 0.9 1.1 6-4-3
FFC trunk inclination (°) 36.4 12.9 41.6 10.4 0.075 0.43 0.78 5.2 9.6 2.6 2.0 7-3-3
Pelvic rotation (°) 76.9 10.0 83.2 9.0 0.061 0.64 0.79 6.3 11.0 2.0 3.1 7-3-3
IFPA (°) 48.2 16.4 52.1 14.5 0.384 0.24 0.77 3.9 15.6 3.3 1.2 6-2-5
FFC KFA ROM (°) 44.5 5.5 42.1 c 4.1 0.012 * −0.49 0.78 −2.4 b 3.0 1.1 2.2 9-2-2
PFC peak HFA (°) 88.8 11.9 95.6 7.8 0.003 * −0.65 0.79 −6.8 b 6.5 2.4 2.9 10-2-1
PFC peak KFA (°) 113.0 6.9 114.0 6.6 0.458 0.14 0.77 1.0 4.5 1.4 0.7 6-0-7
CG Lateral trunk flexion (°) 10.9 11.7 12.6 10.2 0.224 0.15 0.80 1.7 4.5 2.3 0.7 5-6-1
FFC trunk inclination (°) 32.1 13.3 38.8 12.9 0.248 0.50 0.81 6.7 19.1 2.7 2.5 7-3-2
Pelvic rotation (°) 89.2 24.9 92.2 22.0 0.140 0.12 0.80 3.0 6.6 5.0 0.6 3-8-1
IFPA (°) 60.7 22.4 69.3 12.9 0.082 0.45 0.81 8.6 15.5 4.5 1.9 7-4-1
FFC KFA ROM (°) 49.1 5.8 49.8 7.0 0.502 0.11 0.80 0.7 3.6 1.2 0.6 4-4-4
PFC peak HFA (°) 89.5 18.7 91.1 19.9 0.337 −0.08 0.80 −1.6 5.4 3.7 0.4 3-6-3
PFC peak KFA (°) 110.1 9.5 110.3 10.3 0.920 0.02 0.80 0.2 6.2 1.9 0.1 5-2-5
Trivial ES (≤0.19) Small ES (0.20–0.59) Moderate ES (0.60–1.19) Large ES (1.20–1.99)

Key: GCT: Ground contact time; FFC: Final foot contact; PFC: Penultimate foot contact; HPF: Horizontal propulsive force; HBF: Horizontal braking force; H: Horizontal; V: Vertical; KFA: Knee flexion angle; ROM: Range of motion; HFA: Hip flexion angle; IFPA: Initial foot progression angle; SD: Standard deviation; SWC: Smallest worthwhile change; IG: Intervention group; CG: Control group; CI: 95% Confidence interval; ES: Effect size; *: p ≤ 0.05; **: p ≤ 0.001; b: significantly different (p < 0.05) from CG with moderate effect size; c: significantly different (p < 0.05) from CG with large effect size.