TITLE

Improved Recovery from Prolonged Exercise Following the Consumption of Low Glycemic Index Carbohydrate Meals

AUTHOR(S)
Stevenson, Emma; Williams, Clyde; McComb, Gareth; Oram, Christopher
PUB. DATE
August 2005
SOURCE
International Journal of Sport Nutrition & Exercise Metabolism;Aug2005, Vol. 15 Issue 4, p333
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This study examined the effects of the glycemic index (GI) of post-exercise carbohydrate (CHO) intake on endurance capacity the following day. Nine active males participated in 2 trials. On day 1, subjects ran for 90 min at 70% VO2max (R1). Thereafter, they were supplied with either a high GI (HGI) or low GI (LGI) CHO diet which provided 8 g CHO/kg body mass (BM). On day 2, after an overnight fast, subjects ran to exhaustion at 70% VO2max (R2). Time to exhaustion during R2 was longer in the LGI trial (108.9 � 7.4 min) than in the HGI trial (96.9 � 4.8 min) (P < 0.05). Fat oxidation rates and free fatty acid concentrations were higher in the LGI trial than the HGI trial (P < 0.05). The results suggest that the increased endurance capacity was largely a consequence of the increased fat oxidation following the LGI recovery diet.
ACCESSION #
17956691

Tags: GLYCEMIC index;  FOOD -- Carbohydrate content;  EXERCISE;  FOOD;  HEALTH;  NUTRITION

 

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