From: Scapula behavior associates with fast sprinting in first accelerated running
 | Condition | Cohen’s d | Power | |
---|---|---|---|---|
Free | Constraint | |||
2-m sprint time (s) | 0.73 ± 0.04 | 0.76 ± 0.04* | 0.75 | 0.707 |
Step length to first step (m) | 0.88 ± 0.07 | 0.84 ± 0.07* | 0.42 | 0.346 |
Step frequency to first step (Hz) | 2.15 ± 0.18 | 2.16 ± 0.17 | 0.08 | 0.080 |
Variables during the first step | ||||
 Increase in sprint speed (m s−1) | 0.94 ± 0.10 | 0.91 ± 0.08* | 0.32 | 0.246 |
 Sprint speed at instant of take-off (m s−1) | 4.31 ± 0.20 | 4.19 ± 0.23* | 0.55 | 0.490 |
 Forward leaning angle of center of mass (°) | 25.48 ± 1.99 | 24.49 ± 1.95* | 0.52 | 0.430 |
 Contact time (s) | 0.186 ± 0.021 | 0.186 ± 0.010 | 0.02 | 0.057 |