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Effects of a 10-week running-retraining programme on the foot strike pattern of adolescents: A longitudinal intervention study. | LitMetric

AI Article Synopsis

  • The study aimed to evaluate whether different running retraining programs could change the foot strike patterns in adolescents over a ten-week period.
  • A total of 180 participants aged 13-16 were divided into experimental groups implementing various running techniques, step frequency increases, or barefoot training, while a control group did not change their routine.
  • The results showed no significant changes in overall rearfoot strike prevalence, although there was a slight trend towards reduced RFS in the increased step frequency and barefoot training groups, indicating that these programs may not be sufficient for altering foot strike patterns in this age group.

Article Abstract

Background: The purpose of this study was to analyse the effects of ten weeks of different running-retraining programmes on rearfoot strike (RFS) prevalence in adolescents.

Research Question: it is possible to change foot strike pattern in adolescents?

Methods: A total of 180 children (45.3% girls), aged 13-16 years, participated in this intervention study. The children were randomly assigned to one of three experimental groups (EGs) that each carried out a different retraining programme, based on running technique (n = 39), a 15% increased step frequency (SF) (n = 37) and barefoot training (n = 30), performed for three days each week. A control group (CG) (n = 43) did not perform any retraining. A 2D video-based analysis (240 Hz) was used to determine the RFS.

Results: At baseline, no significant differences in RFS prevalence were found between the EGs and the CG in either the left (χ = 2.048; p = 0.559) or the right foot (χ = 0.898; p = 0.825). In the post-test, no significant differences were found for the left foot (χ = 7.102; p = 0.069), but there were significant differences for the right foot (χ = 9.239; p = 0.025) were observed. In the re-test, no significant differences were found for either the left foot (χ = 2.665; p = 0.273) or the right foot (χ = 2.182; p = 0.325). In addition, no group displayed significant changes in RFS prevalence from the pre-test to the re-test. There was a trend towards a reduction in the RFS prevalence in both the increased SF group and the barefoot group.

Meaning: The main finding of this study was that certain running-retraining programmes performed three times per week for ten weeks are not enough to modify the adolescent foot strike pattern (FSP).

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Source
http://dx.doi.org/10.1016/j.gaitpost.2020.09.024DOI Listing

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