Baseline comparison in spatiotemporal and kinetic variables between the involved and uninvolved limbs in runners who have sustained an injury (n=107)
| Variables | Unit | Injured limb | Non-injured limb | Mean difference | P value | Cohen’s d |
| Leg length | m | 0.91±0.06 | 0.91±0.06 | 9×10−6 | 0.914 | <0.01 |
| Step length | m | 1.03±0.13 | 1.03±0.13 | 3×10−4 | 0.914 | <0.01 |
| Contact time | ms | 280±30 | 279±31 | −0.2 | 0.914 | 0.01 |
| Flight time | ms | 450±35 | 450±35 | 0.2 | 0.914 | 0.01 |
| Duty factor | % | 38.3±3.3 | 38.3±3.4 | −0.03 | 0.914 | 0.01 |
| Vertical displacement of CoM | mm | 78.2±11.8 | 78.6±11.5 | 0.37 | 0.756 | 0.03 |
| Vertical stiffness | kN/m | 38.1±5.3 | 37.9±5.3 | −0.22 | 0.756 | 0.04 |
| Peak vertical force | BW | 2.26±0.21 | 2.27±0.20 | 0.01 | 0.621 | 0.05 |
| Peak breaking force | BW | 0.33±0.06 | 0.33±0.06 | 0.001 | 0.914 | 0.02 |
| Peak propulsive force | BW | −0.26±0.06 | −0.26±0.05 | −4×10−4 | 0.914 | 0.01 |
| VIP | BW | 0.43±0.13 | 0.44±0.14 | 0.008 | 0.756 | 0.06 |
| Time to VIP | ms | 36.4±5.7 | 35.9±5.4 | −0.5 | 0.518 | 0.10 |
| VILR | BW/s | 32.6±10.6 | 33.1±10.4 | 0.50 | 0.880 | 0.05 |
| VALR | BW/s | 17.3±7.2 | 17.9±7.3 | 0.63 | 0.621 | 0.09 |
P values are adjusted according to Benjamini-Hochberg.25 Values are mean±SD.
BW, body weight; CoM, centre of mass VALR, vertical average loading rate; VILR, vertical instantaneous loading rate; VIP, vertical impact peak.