The influence of coffee on incremental exercise, recovery and post exercise urine caffeine metabolites' concentrations
The effects of regular (5 mg/kg caffeine) and decaffeinated coffee on an incremental bicycle exercise (aerobic work) and recovery were evaluated. Male soccer players (N = 14) were tested under each coffee condition and a no-coffee condition. As well Ss were give the same conditions but without exercise. The exercise was performed in three-minute stages, each successive level being increased by 50 watts, and continued until exhaustion.
Caffeine had no effect on test parameters (VO2, VCO2, RER) or recovery. No S exceeded the caffeine limit of 12 ug/ml. Caffeine and caffeine metabolites were similar under the exercise and no exercise conditions.
Implication. Ingestion of caffeine (via coffee) does not have a positive effect on aerobic work. This contradicts the general belief that caffeine extends endurance capacity.
© Copyright 1998 Medicine & Science in Sports & Exercise. Lippincott Williams & Wilkins. All rights reserved.
| Subjects: | |
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| Notations: | biological and medical sciences sport games endurance sports |
| Published in: | Medicine & Science in Sports & Exercise |
| Language: | English |
| Published: |
1998
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| Online Access: | https://coachsci.sdsu.edu/csa/vol53/turnagol.htm |
| Volume: | 30 |
| Issue: | 5 |
| Pages: | S1382 |
| Document types: | article |
| Level: | intermediate |