Table 2. Running velocities and peak ankle plantar-flexor torques for novice barefoot runners, pre- and post-exertion. Data are means (±SD).
|
RFS |
MFS |
FFS |
Pre-Exertion |
Post-Exertion |
Pre-Exertion |
Post-Exertion |
Pre- Exertion |
Post-Exertion |
Velocity (m.s-1) |
3.5 (.5) |
3.6 (.5) |
3.6 (.4) |
3.6 (.4) |
3.7 (.4) |
3.7 (.4) |
Peak Torque (Nm) |
106(32) |
93(34)* |
89(16) |
78(13)* |
90(23) |
72(20)* |
p-value |
.001 |
<0.001 |
< 0.001 |
Cohen’s d Effect Size |
4.93 |
2.53 |
10.54 |
Confidence Interval |
10.40 – 15.96 |
9.53 – 17.17 |
15.45-19.56 |
RFS= rear-foot strike ; MFS = mid-foot strike; FFS = forefoot-strike. There were significant differences between RFS runners and both, MFS and FFS runners, for peak ankle plantar-flexor torque. P-values, effect sizes, and confidence intervals are presented for significant within-group differences.