Dry-land resistance training for competitive swimming

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TANAKA, H., D. L. COSTILL, R. THOMAS, W. J. FINK, and J. J. WIDRICK. Dry-land resistance training for competitive swimming. Med. Sci. Sports Exerc., Vol. 25, No. 8, pp. 952–959, 1993. To determine the value of dry-land resistance training on front crawl swimming performance, two groups of 12 intercollegiate male swimmers were equated based upon preswimming performance, swim power values, and stroke specialities. Throughout the 14 wk of their competitve swimming season, both swim training group (SWIM, N = 12) and combined swim and resistance training group (COMBO, N = 12) swam together 6 d a week. In addition, the COMBO engaged in a 8-wk resistance training program 3 d a week. The resistance training was intended to simulate the muscle and swimming actions employed during front crawl swimming. Both COMBO and SWIM had significant (P < 0.05) but similar power gains as measured on the biokinetic swim bench and during a tethered swim over the 14-wk period. No change in distance per stroke was observed throughout the course of this investigation. No significant differences were found between the groups in any of the swim power and swimming performance tests. In this investigation, dry-land resistance training did not improve swimming performance despite the fact that the COMBO was able to increase the resistance used during strength training by 25–35%. The lack of a positive transfer between dry-land strength gains and swimming propulsive force may be due to the specificity of training.

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