Table 1.
The mean and standard deviation (SD) of the back-foot difference in all running conditions.
| Experiment | Condition | Mean Back-Foot Difference (s) | SD Back-Foot Difference (s) | ||
|---|---|---|---|---|---|
| IC | TO | IC | TO | ||
| Treadmill | 2.7 m/s | 0.066 (0.013) | −0.015 (0.036) | 0.018 (0.010) | 0.041 (0.027) |
| 3.3 m/s | 0.069 (0.020) | −0.008 (0.053) | 0.014 (0.007) | 0.026 (0.017) | |
| 3.6 m/s | 0.065 (0.017) | −0.009 (0.054) | 0.014 (0.006) | 0.023 (0.018) | |
| Indoor Track | Rearfoot, Slow | 0.057 (0.024) | −0.030 (0.058) | 0.049 (0.025) | 0.088 (0.032) |
| Rearfoot, Preferred | 0.066 (0.025) | −0.029 (0.041) | 0.039 (0.015) | 0.069 (0.022) | |
| Rearfoot, Fast | 0.059 (0.019) | −0.046 (0.030) | 0.049 (0.021) | 0.069 (0.017) | |
| Forefoot, Slow | 0.047 (0.024) | −0.066 (0.052) | 0.030 (0.012) | 0.067 (0.032) | |
| Forefoot, Preferred | 0.051 (0.026) | −0.058 (0.042) | 0.029 (0.011) | 0.063 (0.017) | |
| Forefoot, Fast | 0.052 (0.019) | −0.079 (0.026) | 0.042 (0.015) | 0.061 (0.026) | |
| Outdoor | Sidewalk | 0.080 (0.030) | −0.015 (0.046) | 0.032 (0.019) | 0.067 (0.019) |
| Grass | 0.074 (0.027) | −0.048 (0.044) | 0.033 (0.023) | 0.064 (0.025) | |