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Resisted Sprint Training in Swimming: A Quasi-Experimental Study on Swedish National Level Swimmers
Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
2019 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Aim

The aim of this study was to ascertain the effect of resisted sprint training in swimming on maximal swimming velocity and performance characteristics. The aim was also to examine how maximal swimming velocity is related to maximal swim power and maximal dry-land power.

Method

Eighteen competitive national level swimmers (9 male and 9 female; age: 18.3 ± 2.3 years, body mass: 72 ± 8.3 kg, height: 177.2 ± 4.6 cm, mean ± SD) were recruited to this study. Subjects were assigned to either resisted sprint training (RST) or unresisted sprint training (UST). Sprint training was performed two times per week during 6 weeks as 8x15m with a 2min send-off interval. RST performed sprint training using individualized load corresponding 10% of maximum drag load (L10), UST performed sprint training with no added resistance. A test-battery including dry-land strength assessment; maximal strength (MxS) and explosive strength (ExS), a timed 25m front-crawl swim and in-water force-velocity profiling was performed prior and following the training intervention. Maximal swim power (Pmax), maximum drag load (F0), theoretical maximum velocity (v0) and slope of force-velocity curve (SFv) was computed though force-velocity profiling.

Results

No significant within group differences occurred in neither RST nor UST following the 6-week intervention period in: swimming velocity, MxS, ExS, Pmax, F0, v0, and SFv. Strong correlations were found between swimming velocity and MxS (r = 0.75), ExS (r =0.82) and Pmax (r = 0.92).

Conclusion

Resisted sprint training in swimming using L10 did in the present study not elicit any improvements in maximal swimming velocity or examined performance characteristics. Resisted sprint training does not appear to be a superior method of improving swimming performance compared to unresisted sprint training. MxS, ExS and Pmax can be used as robust predictors of swim performance, however only Pmax was found to be casually related to swimming velocity.

Place, publisher, year, edition, pages
2019.
Series
Examensarbete ; 2019:32
Keywords [en]
swimming, sprint swimming, resisted sprint training, resisted swimming, anaerobic power, swim power, swim bench, 1080 sprint, 1080 motion, force velocity, biomechanics
National Category
Sport and Fitness Sciences
Identifiers
URN: urn:nbn:se:gih:diva-5860OAI: oai:DiVA.org:gih-5860DiVA, id: diva2:1355776
Educational program
Master programme
Supervisors
Examiners
Available from: 2019-09-30 Created: 2019-09-30 Last updated: 2019-10-10Bibliographically approved

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Citation style
  • apa
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