Relationship between shoulder rotation and core stability on swimmer's crawl speed
Keywords:
Shoulder rotation, core stability, velocity, ULRT, biomechanicsAbstract
Introduction: Swimming speed is a determining factor in competitive swimming, so the efficiency of shoulder rotation speed and core stability strength are key factors for performance in the water. Objective: To determine the relationship between shoulder rotation, core stability and its impact on the speed of swimmers in the front crawl stroke. Materials and methods: The research had a sample of 92 swimmers, their speed in the 200 m front crawl, shoulder rotation using the Upper Limb Test (ULRT) and the Core Stability Test to measure core endurance and strength were evaluated. Statistical and correlational analyses were used to determine the level of correlation between the variables. Results: Regarding the tests evaluated, men showed a better performance in two of the three tests compared to women. Shoulder rotation shows a moderate level of correlation with speed (VCramer 0.320 / sig. 0.001). Discussion: Core stability is only mildly correlated with velocity (VCramer 0.282 / sig. 0.005). Conclusions: Other factors to consider include biomechanical, abiotic, and physiological factors.
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