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The purpose of this study was to develop the criterion of observational movement evaluation of no-breath front crawl for the 4th grade children of swimming classes in elementary school physical education and verify for its effectiveness. Participants in this study were 4th grade 68 children (24 boys and 44 girls). Specifically, no-breath front crawl performance test was conducted, and the analysis was performed according to 2 data: reaching distance and movement score.
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Yasuda et al. (2023) studied this question.
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