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Context: Many aspects related to the teaching-learning process in swimming have not been subject of study. Objective: The purpose of the present researchwas to verify which methodological approach is more effective in improving the crawl technique: Exclusive practice of crawl, or practicing the four swimming strokes. Method: 26 male university students were randomly allocated into two groups: Crawl Group (GC): They exclusively performed crawl sessions. Swimming strokes group (GE): They underwent sessions of all the four swimming strokes. Results: After completing an eight-week intervention program, both groups enhanced their crawl technique. However, improvements observed in the GE were significantly greater than those achieved by the GC in the 25-metres crawl test (p <.001), stroke length (p=.006), average swimming speed (p<.000), and stroke index (p=.002). Conclusion: Practicing all four swimming strokes is more effective than crawl swimming only when it comes to improving the crawl technique in college-aged males.

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Práctica exclusiva de crol frente a práctica de los cuatro estilos de nado en el perfeccionamiento de la técnica de crol (Exclusive practice of crawl versus practicing the four swimming strokes on the improvement of crawl technique)