Trial reportJournal of the International Society of Sports Nutrition2019
The acute effects of caffeine intake on time under tension and power generated during the bench press movement.
Trial report in Journal of the International Society of Sports Nutrition, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 2 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
23 citing papers in PubMed, 2 syntheses or guidelines pooled it, 36 citations in OpenAlex.
- Acute caffeine supplementation and resistance exercise performance in female participants: a systematic review and three-level meta-analysis.Frontiers in physiology · 2026Pooled it
- Effects of Acute Ingestion of Caffeine Capsules on Muscle Strength and Muscle Endurance: A Systematic Review and Meta-Analysis.Nutrients · 2024Pooled it
- Effects of an Acute High Dose of Caffeine on Physiological Responses and Performance During a Strength-Focused CrossFitNutrients · 2025Trial
- Comparative effects of caffeine, beta-alanine, and their combination on mechanical, physiological, and perceptual responses to upper-body superset resistance training.European journal of applied physiology · 2025Trial
- Ischemia during rest intervals between sets prevents decreases in fatigue during the explosive squat exercise: a randomized, crossover study.Scientific reports · 2022Trial
- Caffeine increases performance and leads to a cardioprotective effect during intense exercise in cyclists.Scientific reports · 2021Trial
- The effects of different doses of caffeine on maximal strength and strength-endurance in women habituated to caffeine.Journal of the International Society of Sports Nutrition · 2021Trial
- Placebo Effect of Caffeine on Maximal Strength and Strength Endurance in Healthy Recreationally Trained Women Habituated to Caffeine.Nutrients · 2020Trial
- Trial
- Can Post-Activation Performance Enhancement (PAPE) Improve Resistance Training Volume during the Bench Press Exercise?International journal of environmental research and public health · 2020Trial
- Acute Caffeine Intake Enhances Mean Power Output and Bar Velocity during the Bench Press Throw in Athletes Habituated to Caffeine.Nutrients · 2020Trial
- The Effects of High Doses of Caffeine on Maximal Strength and Muscular Endurance in Athletes Habituated to Caffeine.Nutrients · 2019Trial
- Trial
- High-Dose Caffeine Mouth Rinse Is an Effective Strategy for Isokinetic Strength Generation in Soccer Players.Journal of human kinetics · 2026Article
- Counteracting Static Stretching-Induced Anaerobic Performance Impairment: The Role of Caffeine.Journal of human kinetics · 2026Article
- Maximal Number of Repetitions at Percentages of the One Repetition Maximum: A Meta-Regression and Moderator Analysis of Sex, Age, Training Status, and Exercise.Sports medicine (Auckland, N.Z.) · 2024Review
- Article
- Acute Effects of Caffeinated Chewing Gum on Volleyball Performance in High-Performance Female Players.Journal of human kinetics · 2022Article
- Effects of Caffeine on Resistance Exercise: A Review of Recent Research.Sports medicine (Auckland, N.Z.) · 2021Review
- The Influence of Movement Tempo During Resistance Training on Muscular Strength and Hypertrophy Responses: A Review.Sports medicine (Auckland, N.Z.) · 2021Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe ability to generate high levels of power is one of the key factors determining success in many sport disciplines. Although there are studies confirming ergogenic effects of caffeine (CAF) on different physical and mental abilities, much controversy remains about its influence on power. The main goal of this study was to assess the effects of caffeine supplementation on time under tension (TUT) and the number of performed repetitions (REP). The second objective was to determine the effects of CAF supplementation on power (P) and movement velocity (V) during the bench press movement. Additionally the authors evaluated whether CAF has a significant effect on velocity of the bar in the eccentric (ECC) phase (VE
methodsThe study included 20 men (20-31 yrs., 87.3 ± 7.7 kg) with at least 2 years of experience in resistance training. The study participants were divided randomly into two groups: the supplemented group ingested caffeine before exercise (G
resultsThe repeated measures ANOVA between the G
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.