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Advisor(s)
Abstract(s)
The aim was to compare the transfer of dry-land strength and power (S&P) of the shoulder into thrust in front-crawl between swimmers of different competitive levels. Four elite and six sub-elite swimmers were selected to perform a dry-land or an in-water test in random order. The dry-land S&P measurements comprised mean torque, peak torque and mean power of the shoulder rotators of the dominant and non-dominant upper-limbs that were assessed on an isokinetic dynamometer at 90°/s and 180°/s. In-water mean thrust, peak thrust and peak power were collected using an in-house customised system composed of differential pressure sensors and an underwater camera during a 25 m freestyle swim at three different paces (400 m pace, 200 m pace, all-out). There were non-significant and trivial variations in dry-land S&P between elite and sub-elite swimmers. The variations were non-significant but mostly large in the case of thrust. Correlation coefficients of elite swimmers were significantly larger than sub-elite counterparts. In conclusion, elite swimmers seem to be more efficient than sub-elite swimmers at transferring dry-land S&P into thrust.
Description
Keywords
Torque Propulsion Performance Technique Front-crawl
Pedagogical Context
Citation
Tan, Julian Q.J.; Lee, Marcus J.C.; Boey, Desmond; Lum, Danny; Barbosa, Tiago M. (2021). The transfer of dry-land strength & power into thrust in competitive swimming. Sports Biomechanics. ISSN 1476-3141, p. 1-13
Publisher
Routledge Journals