Papers/PMID:35366092
Effect of caffeine on muscle oxygen saturation during short-term all-out exercise: a double-blind randomized crossover study.
European journal of nutrition2022The record
3 findings · 1 compound · 3 endpoints · 1 null
What it reported
How to read these marksWhat moved
2 findings
caffeine — increases peak power output
LimitedEvidence strength: limited. Human evidence with several recorded weaknesses, or a design that tops out at limited.Findingreplicated ×5“In comparison to the placebo, the oral administration of caffeine increased peak cycling power by 2.9 ± 4.5% (from 9.65 ± 1.38 to. 9.92 ± 1.41 W/kg, P = 0.038; ES, 95% CI = 0.28, 0.05–0.51) and mean cycling power by 3.5 ± 6.2% (from 8.30 ± 1.08 to 8.57 ± 1.12 W/kg, P = 0.044; ES = 0.36, 0.01–0.71, Fig. 1).”
Quoted verbatim from Effect of caffeine on muscle oxygen saturation during short-term all-out exercise: a double-blind randomized crossover study.. - Study
- crossover
- Dose
- 3 mg/kg single dose, 60 min before test
- Population
- Fifteen healthy, moderately trained men and women; 15-s Wingate test on a cycle ergometer
Effect of caffeine on muscle oxygen saturation during short-term all-out exercise: a double-blind randomized crossover study.2022PMID:35366092Permalink
caffeine — increases mean power output
LimitedEvidence strength: limited. Human evidence with several recorded weaknesses, or a design that tops out at limited.Findingreplicated ×5“In comparison to the placebo, the oral administration of caffeine increased peak cycling power by 2.9 ± 4.5% (from 9.65 ± 1.38 to. 9.92 ± 1.41 W/kg, P = 0.038; ES, 95% CI = 0.28, 0.05–0.51) and mean cycling power by 3.5 ± 6.2% (from 8.30 ± 1.08 to 8.57 ± 1.12 W/kg, P = 0.044; ES = 0.36, 0.01–0.71, Fig. 1).”
Quoted verbatim from Effect of caffeine on muscle oxygen saturation during short-term all-out exercise: a double-blind randomized crossover study.. - Study
- crossover
- Dose
- 3 mg/kg single dose, 60 min before test
- Population
- Fifteen healthy, moderately trained men and women; 15-s Wingate test on a cycle ergometer
Effect of caffeine on muscle oxygen saturation during short-term all-out exercise: a double-blind randomized crossover study.2022PMID:35366092Permalink
What did not
1 finding
caffeine — no detected effect on rating of perceived exertion
LimitedEvidence strength: limited. Human evidence with several recorded weaknesses, or a design that tops out at limited.FindingNull resultreplicated ×10“Self-reported values of exertion in the Borg scale were unaffected by the administration of caffeine (19.3 ± 1.3 and 19.3 ± 0.8 arbitrary units for placebo and caffeine, respectively; P = 0.80).”
Quoted verbatim from Effect of caffeine on muscle oxygen saturation during short-term all-out exercise: a double-blind randomized crossover study.. - Study
- crossover
- Dose
- 3 mg/kg single dose, 60 min before test
- Population
- Fifteen healthy, moderately trained men and women; Borg 6-20 rating taken 5 min after a 15-s Wingate test
Effect of caffeine on muscle oxygen saturation during short-term all-out exercise: a double-blind randomized crossover study.2022PMID:35366092Permalink