Fig 1.
Horizontal velocity and acceleration as a function of time during a sprint acceleration phase, for each condition (percent of body mass).
These data are from one representative individual.
Fig 2.
The key mechanical parameters of sprint as a function of speed.
Conditions: 0%- unload, 20%, 30%, 40% of body mass. (A) Force-velocity relationship. (B) Ratio of force (RF) as a function of speed. The DRF index is the slope of the decrease in RF with speed (in this figure: 0% = -0.085; 20% = -0.085; 30% = -0.091; 40% = -0.084). (C) Power-velocity relationship. These data are from one representative individual.
Table 1.
Sprint running mechanics during the entire sprint acceleration.
Data are presented as mean (SD) and 95% confidence intervals are reported for each load (0%; 20%; 30%; 40%).