Relationship Between Tethered Swimming in a Flume and Swimming Performance

Ruiz-Navarro, Jesús J.; Morouço, Pedro G.; Arellano, Raúl

http://hdl.handle.net/10400.8/8602

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Authors

Ruiz-Navarro, Jesús J.

Morouço, Pedro G.

Arellano, Raúl

Abstract(s)

Purpose: To study the relationship between tethered swimming in a flume at different speeds and swimming performance. Methods: Sixteen regional-level swimmers performed 25-, 50-, and 100-m front-crawl trials and four 30-s tethered-swimming tests at 0, 0.926, 1.124, and 1.389 m·s−1 water-flow velocities. Average and maximum force, average and maximum impulse, and intracyclic force variation (dF) were estimated for each tethered-swimming trial. Swimming velocity and intracyclic velocity variation (dv) were obtained for each free-swimming trial. Stroke rate and rating of perceived exertion (RPE) were registered for all trials. Results: Tethered-swimming variables, both at 1.124 m·s−1 and at 1.389 m·s−1 water-flow velocities, were positively associated with 25-m swimming velocity (P < .05). Average force and maximum impulse in stationary swimming were significantly associated with 25-m swimming velocity (P < .05). A positive relationship between water-flow velocities with dF was observed. Swimming performance was not related to dF or dv. Neither stroke rate nor RPE differed between the 4 tethered conditions and mean 50-m free-swimming velocity (P > .05). Conclusions: Measuring force in a swimming flume at higher water-flow velocities is a better indicator of performance than stationary tethered swimming. It enables assessment of the ability to effectively apply force in the water.

Description

Acknowledgments: This study was supported by grant awarded by the Ministry of Economy, Industry and Competitiveness (Spanish Agency of Research) and the European Regional Development Fund (ERDF); DEP2014-59707-P “SWIM: Specific Water Innovative Measurements applied to the development of International Swimmers in Short Swimming Events (50 and 100 m) and the Spanish Ministry of Education, Culture and Sport: FPU17/02761 grant. This article is a part of an international thesis belonging to the Program of PhD in Biomedicine (B11.56.1), from the University of Granada, Granada (Spain).

Keywords

Tethered forces Strength Training Exercise testing Force assessment

URI

http://hdl.handle.net/10400.8/8602

Citation

Ruiz-Navarro JJ, Morouço PG, Arellano R. Relationship Between Tethered Swimming in a Flume and Swimming Performance. Int J Sports Physiol Perform. 2020 Feb 7:1-8. doi: 10.1123/ijspp.2019-0466. Epub ahead of print. PMID: 32032941.