Beverage carbohydrate concentration influences the intermittent endurance capacity of adolescent team games players during prolonged intermittent running

Shaun M. Phillips, Anthony P. Turner, Mark F. Sanderson, John Sproule

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Abstract

This study investigated the influence of consuming a 2, 6, and 10% carbohydrate-electrolyte (CHO-E) solution on the intermittent endurance capacity and sprint performance of adolescent team games players. Seven participants (five males and two females; mean age 13.3 ± 0.5 years, height 1.71 ± 0.05 m, body mass (BM) 62.0 ± 6.3 kg) performed three trials separated by 3 to 7 days. In each trial, they completed four 15 min periods of part A of the Loughborough Intermittent Shuttle Test (LIST) followed by an intermittent run to exhaustion (part B). Participants consumed 5 ml.kg-1 BM of the solution during the 5 min pre-exercise period, and a further 2 ml.kg-1 BM every 15 min during part A of the LIST. Intermittent endurance capacity increased by 34% with ingestion of the 6% CHO-E solution compared with the 10% solution (5.5 ± 0.8 vs. 4.1 ± 1.5 min, P <0.05), equating to a distance of 931 ± 172 vs. 706 ± 272 m (P <0.05). There was no significant difference between the 2% (4.8 ± 1.2 min) and 6% (P = 0.10) or the 2% and 10% solutions (P = 0.09). Carbohydrate concentration did not significantly influence mean 15 m sprint time (P = 0.38). These results suggest that the carbohydrate concentration of an ingested solution influences the intermittent endurance capacity of adolescent team games players with a 6% solution significantly more effective than a 10% solution.
Original languageEnglish
Pages (from-to)1107–1116
Number of pages10
JournalEuropean Journal of Applied Physiology
Volume112
Issue number3
DOIs
Publication statusPublished - Mar 2012

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Beverages
Running
Carbohydrates
Electrolytes
Eating
Exercise

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Phillips, Shaun M. ; Turner, Anthony P. ; Sanderson, Mark F. ; Sproule, John. / Beverage carbohydrate concentration influences the intermittent endurance capacity of adolescent team games players during prolonged intermittent running. In: European Journal of Applied Physiology. 2012 ; Vol. 112, No. 3. pp. 1107–1116.
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abstract = "This study investigated the influence of consuming a 2, 6, and 10{\%} carbohydrate-electrolyte (CHO-E) solution on the intermittent endurance capacity and sprint performance of adolescent team games players. Seven participants (five males and two females; mean age 13.3 ± 0.5 years, height 1.71 ± 0.05 m, body mass (BM) 62.0 ± 6.3 kg) performed three trials separated by 3 to 7 days. In each trial, they completed four 15 min periods of part A of the Loughborough Intermittent Shuttle Test (LIST) followed by an intermittent run to exhaustion (part B). Participants consumed 5 ml.kg-1 BM of the solution during the 5 min pre-exercise period, and a further 2 ml.kg-1 BM every 15 min during part A of the LIST. Intermittent endurance capacity increased by 34{\%} with ingestion of the 6{\%} CHO-E solution compared with the 10{\%} solution (5.5 ± 0.8 vs. 4.1 ± 1.5 min, P <0.05), equating to a distance of 931 ± 172 vs. 706 ± 272 m (P <0.05). There was no significant difference between the 2{\%} (4.8 ± 1.2 min) and 6{\%} (P = 0.10) or the 2{\%} and 10{\%} solutions (P = 0.09). Carbohydrate concentration did not significantly influence mean 15 m sprint time (P = 0.38). These results suggest that the carbohydrate concentration of an ingested solution influences the intermittent endurance capacity of adolescent team games players with a 6{\%} solution significantly more effective than a 10{\%} solution.",
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Beverage carbohydrate concentration influences the intermittent endurance capacity of adolescent team games players during prolonged intermittent running. / Phillips, Shaun M.; Turner, Anthony P.; Sanderson, Mark F.; Sproule, John.

In: European Journal of Applied Physiology, Vol. 112, No. 3, 03.2012, p. 1107–1116.

Research output: Contribution to journalArticle

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