PapersPMID:22388491
Caffeine and sprinting performance: dose responses and efficacy.
- 01 · findings
- 2
- 02 · compound
- 1
- 03 · endpoints
- 2
- 04 · null
- 2
caffeine- Dose studied, every finding
- 2, 4, 6, 8, or 10 mg/kg body mass caffeine, single dose 1 hour before sprint trials
- Population, every finding
- 17 well-trained men, sprint cyclists
Every finding here is a null result.
What did not
2 findingsHow to read these marks →caffeine — no detected effect on mean power output
very limitedFindingNull resultreplicated ×3
“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
caffeine — no detected effect on peak power output
very limitedFindingNull resultreplicated ×2
“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
Study record
- Read under
- caffeine
- Design
- crossover trial
- Species
- human
- Population
- 17 well-trained men, sprint cyclists
- Participants
- 17
- Comparator
- placebo
- Duration
- not recorded
- Endpoints measured
- 5
- Record
- extracted
- Readings recorded
- 2