There are three types of footstrike patterns that runners use including rearfoot strike, mid- or forefoot strike. The aim of the present study was to investigate the effects of running with different patterns on loading rate, impulse, and free moment values in three dimensions during stance phase.
A total of 13 healthy men (age: 26.6±2.8 years; weight: 78.4±7.2 kg) were included in the present trial and semi-experimental study. Ground reaction force data was recorded using a Kistler force platform (sampling rate: 1000 Hz). Two-way ANOVA with a significance level of ɑ=0.05 was used for statistical analysis.
The results of the current study showed that the vertical ground reaction force during the mid-stance phase of the rearfoot strike without shoe was more than that of the rearfoot strike with shoe. External force in the heel contact phase showed a significant decrease while running forefoot strike versus running with a rearfoot strike pattern. The vertical loading rate was higher when running with shoes compared to without shoe in the rearfoot strike pattern.
According to the results, it can be concluded that the rearfoot strike pattern has reduced the amount of external component and thus the amount of foot pronation relative to the forefoot strike pattern, which can reduce the risk of injury.
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