PapersPMID:22142020
The effects of different doses of caffeine on endurance cycling time trial performance.
- 01 · finding
- 1
- 02 · compound
- 1
- 03 · endpoint
- 1
- 04 · null
- 1
caffeineEvery finding here is a null result.
What did not
1 findingHow to read these marks →caffeine — no detected effect on rating of perceived exertion
very limitedFindingNull resultreplicated ×10
“Caffeine ingestion at either dose resulted in significantly higher heart rate values than the placebo conditions (P < 0.05), but no statistically significant treatment effects in ratings of perceived exertion (RPE) were observed (P = 0.39).”
Quoted verbatim from The effects of different doses of caffeine on endurance cycling time trial performance. - Study
- crossover
- Dose studied
- 3 or 6 mg/kg body mass caffeine, single dose 90 min before exercise
- Population
- 16 well-trained male cyclists
Study record
- Read under
- caffeine
- Design
- crossover trial
- Species
- human
- Population
- 16 well-trained and familiarised male cyclists
- Participants
- 16
- Comparator
- placebo
- Duration
- not recorded
- Endpoints measured
- 4
- Record
- extracted
- Readings recorded
- 2