The aim of this study was to establish the effects of using a shoulder to ankle bodysuit (BlueseventyTM) on spatial-temporal and coordinative parameters during an all-out 50m front crawl swim. Six subjects (16.6 ± 2.0 yrs) performed two all-out 50m trials (with and without bodysuit). The arm stroke parameters and index of coordination were determined by videography. A repeated measures ANOVA was performed, with main effects verified using LSD post-hoc for an á < 5 %. Using the bodysuit, swimming speed and stroke length were higher. The duration of the entry and catch phase and non-propulsive phase were shorter in the second 25 m split. No statistical differences in index of coordination were found. Wearing the bodysuit significantly improves the swimming performance, mostly on the second half of the test.
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