Table 3.
Step Rate Statistics in Non-Injured and Injured Runners.
| Non-Injured via AHLTA | Clinical Injury | Non-Injured via Survey* | Sub-clinical Injury* | |
|---|---|---|---|---|
| Number of subjects | 356 | 16 | 76 | 15 |
| Average step rate | 172 steps/min | 173 steps/min | 174 steps/min | 170 steps/min |
| Median step rate | 174 steps/min | 171 steps/min | 174 steps/min | 168 steps/min |
| Standard Deviation | 10.39 | 11.48 | 12.32 | 7.09 |
| Independent t-test p value | 0.76 | 0.08 | ||
| 95% Confidence Intervals | -7.08, 5.30 | -0.55, 8.86 | ||
| Effect Size (Cohen's d) | 0.08 | 0.41 | ||
| Observed Power | 0.19 | 0.61 | ||
Armed Forces Health Longitudinal Technology Application (AHLTA)
*
95 runners responded to all four email surveys