Table 1.
Cutting biomechanical variables descriptive statistics
| Variable | Mean | SD | Variable | Mean | SD |
|---|---|---|---|---|---|
| Braking GRF | |||||
| Completion time (s) | 1.759 | 0.135 | PFC HBF—pk (BW) | – 1.66 | 0.40 |
| Sagittal joint moments | |||||
| FFC pk HFM (Nm/kg) | – 2.72 | 0.72 | PFC HBF—mean (BW) | – 0.60 | 0.12 |
| FFC pk KFM (Nm/kg) | 3.40 | 0.68 | FFC VBF—pk (BW) | 2.56 | 0.52 |
| FFC pk ADFM (Nm/kg) | – 1.84 | 0.49 | FFC VBF—mean (BW) | 1.57 | 0.18 |
| Sagittal joint moments | |||||
| FFC HFA (˚)—pk | 47.5 | 11.2 | FFC HBF—pk (BW) | – 1.44 | 0.33 |
| FFC HFA (˚)—IC | 43.1 | 8.6 | FFC HBF—mean (BW) | – 0.85 | 0.16 |
| FFC HFA (˚)—ROM | 4.4 | 4.6 | PFC RBF—pk (BW) | 3.06 | 0.58 |
| FFC KFA (˚)—pk | 62.5 | 7.2 | PFC RBF—mean (BW) | 1.15 | 0.18 |
| FFC KFA (˚)—IC | 23.1 | 4.6 | FFC RBF—pk (BW) | 3.03 | 0.59 |
| FFC KFA (˚)—ROM | 39.4 | 6.6 | FFC RBF—mean (BW) | 1.93 | 0.25 |
| Propulsive GRF | |||||
| FFC ADFA (˚)—pk | 78.3 | 8.2 | FFC VPF—pk (BW) | 1.82 | 0.27 |
| FFC ADFA (˚)—IC | 55.7 | 10.5 | FFC VPF—mean (BW) | 1.20 | 0.11 |
| FFC ADFA (˚)—ROM | 22.5 | 11.2 | FFC HPF—pk (BW) | – 0.81 | 0.22 |
| Injury risk parameters | |||||
| pk KAM (Nm/kg) | 1.11 | 0.39 | FFC HPF—mean (BW) | – 0.37 | 0.11 |
| pk KAA (°) | – 11.6 | 6.5 | FFC MLPF—pk (BW) | 1.09 | 0.20 |
| KAA (°)—IC | 2.5 | 4.9 | FFC MLPF—mean (BW) | 0.75 | 0.11 |
| pk KIRM (Nm/kg) | – 0.94 | 0.44 | RPF—PK (BW) | 2.24 | 0.38 |
| pk KRA (°) | – 3.9 | 9.1 | RPF—mean (BW) | 1.48 | 0.17 |
| Braking ratio | |||||
| KRA (°)—IC | – 2.5 | 10.0 | PK HBF ratio | 0.90 | 0.22 |
| Trunk variables | |||||
| PFC Sag trunk inclination angle—IC (°) | 10.0 | 4.8 | Mean HBF ratio | 1.47 | 0.31 |
| GCT | |||||
| FFC Sag trunk inclination angle—IC (°) | 12.7 | 6.7 | PFC GCT (s) | 0.202 | 0.041 |
| Lateral trunk flexion (˚)—IC | – 15.2 | 7.9 | FFC GCT (s) | 0.307 | 0.058 |
| Velocity profile | |||||
| Lateral trunk flexion (˚)—pk | – 26.6 | 9.9 | Approach velocity (m/s) | 4.58 | 0.41 |
| Lateral Trunk flexion (˚)—ROM | 11.4 | 5.8 | FFC touch-down velocity (m/s) | 3.45 | 0.37 |
| Hip, pelvis, foot | |||||
| Hip rotation angle (°)—IC | 15.0 | 10.5 | Exit velocity (m/s) | 3.30 | 0.30 |
| Change in velocity | |||||
| Hip rotation angle (°)—pk | 13.4 | 9.8 | Δ PFC velocity (m/s) | – 1.13 | 0.19 |
| Hip abduction angle (°)—IC | – 24.3 | 6.3 | Δ FFC velocity (m/s) | – 0.90 | 0.22 |
| Pelvic rotation (°)—IC | 33.8 | 9.3 | Approach time (s) | 1.980 | 0.160 |
| IFPA (°)—IC | 17.4 | 10.3 | |||
| Lateral foot plant distance (m)—IC | – 0.308 | 0.051 | |||
pk peak, GCT ground contact time, PFC penultimate foot contact, FFC final foot contact, KAM knee abduction moment, KIRM knee internal rotation moment, KFM knee flexion moment, HFM hip flexion moment, ADFM ankle dorsi-flexion moment, HFA hip flexion angle, KFA knee flexion angle, ADFA ankle dorsi-flexion angle, RPF resultant propulsive force, RBF resultant braking force, VPF vertical propulsive force, VBF vertical braking force, HPF horizontal propulsive force, HBF horizontal braking force, MLPF medio-lateral propulsive force, ROM range of motion, IC initial contact, BW body weight, IFPA initial foot progression angle, GRF ground reaction force