Effects of contextual interference on performance in fifty meters swimming. Case study
DOI:
https://doi.org/10.24310/riccafd.14.2.2025.21121Keywords:
aleatoria, bloque, entrenamiento, estudio experimentalAbstract
The aim was to examine the effect of two types of contextual interference (blocked and randomised) on performance in the 50-metre swimming test. Four boys participated, two of whom performed the performance tests (control participants) and two of whom underwent five weeks of training in each practice condition (blocked and randomised) and the tests (experimental participants). A multiseries intrasubject design of alternating treatments without counterbalancing was applied, as one of the participants first underwent block training and then random training with a non-treatment period between the two, and the other did the opposite. The preliminary results of this case study show that both types of contextual interference are effective in improving performance. However, one participant achieved a higher percentage of effectiveness in random practice and the other in block practice.
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