Papers/PMID:22388491
Caffeine and sprinting performance: dose responses and efficacy.
Journal of strength and conditioning research2012The record
2 findings drawn from this paper, on 1 compound across 2 endpoints, 2 of them null.
What it reported
How to read these marksEvery finding here is a null result.
What did not
2 findings
caffeine — no detected effect on peak power output
PreliminaryGrade D, Preliminary. Non-human or in vitro only.FindingNull resultreplicated ×1“In comparison with placebo, caffeine had no significant effect on peak power (p = 0.11), mean power (p = 0.55), or time to peak power (p = 0.17).”
Quoted verbatim from Caffeine and sprinting performance: dose responses and efficacy.. - Study
- crossover
- Dose
- 2, 4, 6, 8, or 10 mg/kg body mass caffeine, single dose 1 hour before sprint trials
- Population
- 17 well-trained men, sprint cyclists
Caffeine and sprinting performance: dose responses and efficacy.2012PMID:22388491
caffeine — no detected effect on mean power output
PreliminaryGrade D, Preliminary. Non-human or in vitro only.FindingNull result“In comparison with placebo, caffeine had no significant effect on peak power (p = 0.11), mean power (p = 0.55), or time to peak power (p = 0.17).”
Quoted verbatim from Caffeine and sprinting performance: dose responses and efficacy.. - Study
- crossover
- Dose
- 2, 4, 6, 8, or 10 mg/kg body mass caffeine, single dose 1 hour before sprint trials
- Population
- 17 well-trained men, sprint cyclists
Caffeine and sprinting performance: dose responses and efficacy.2012PMID:22388491