REPEATED SHORT HIGH-INTENSITY EXERCISE BOUT NOT INFLUENCED BY CHO SUPPLEMENTATION
Koch, A. J., Haub, M. D., Comeau, M. J., Kuphal, K. E., Haff, G. G., Jacobsen, D. J., Magee, L. M., Nau, K. L., & Potteiger, J. A. (1999). Effects of carbohydrate ingestion on repeated high-intensity cycling performance. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 455.
The effect of carbohydrate (CHO) ingestion during recovery from short-term duration high-intensity exercise on subsequent exercise performance in well-trained cyclists (N = 7) was investigated. Ss performed a 100KJ-test, then consumed 0.7 g/kg of liquid CHO or placebo, rested 60 min, and then performed the same exercise test again.
There was no significant performance difference between the two treatments. Lactate concentrations were similar between the two conditions. Plasma glucose and free fatty acids measures were different between the two conditions.
Implication. Carbohydrate supplementation during recovery between short high-intensity bouts of exercise does not improve the second performance.
Return to Table of Contents for this issue.