Blood lactate and stroke parameters during front crawl in elite swimmers with disability

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Abstract

The purpose of this investigation was to compare the blood lactate concentration ([La]), stroke distance (Ds), and swim index (SI) during an incremental swim test (IST) in elite swimmers who had a loss in mobility (LM) (n = 6) or who had full mobility (FM) (n = 5) of the lower limbs. The IST consisted of 5 repeats of either 100 or 200 m front crawl depending upon the ability level of the swimmer. The [La] and heart rate measured during the IST showed no significant differences (p > 0.05). However, velocity (Vs) and Ds were all significantly lower (p < 0.01) during the IST. SI was significantly (p < 0.01) lower during repeats 1 to 3 and 5, but not repeat 4. These data indicate that the [La] response to incremental exercise is similar during incremental front crawl activity in swimmers suffering from loss of lower limb mobility. However, a critical Vs is reached in LM swimmers where swimming efficiency is optimal compared with FM swimmers.

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Bentley, D. J., Phillips, G., McNaughton, L. R., & Batterham, A. M. (2002). Blood lactate and stroke parameters during front crawl in elite swimmers with disability. Journal of Strength and Conditioning Research, 16(1), 97–102. https://doi.org/10.1519/1533-4287(2002)016<0097:BLASPD>2.0.CO;2

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