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The effects of solid and liquid carbohydrate feedings on high intensity intermittent exercise performance Walton, Peter Trent

Abstract

Ten elite female soccer players were studied to determine the effects of pre-exercise solid carbohydrate (SCHO) and liquid carbohydrate (LCHO) feedings on high intensity intermittent exercise performance. At 5 min pre-exercise subjects consumed either 50 g of SCHO + 400 ml of H₂O , 50g of LCHO in a 400 ml solution, or 400 ml of artificially sweetened H₂O (PL). Exercise consisted of two 19 min periods of high intensity intemittent running separated by a 10 min break. At 5 min post-exercise, subjects completed a performance trial (PT) in which they ran repeated 10 s, 120% V 0 2 max sprints in a 1:1 work to rest ratio until exhaustion. Blood lactate was not different (p>0.05) between feedings. Blood glucose (BG) was greater (p

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