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Ergogenic Effects of Caffeine on Ballistic (Throwing) Performance: A Meta-Analytical Review.

Nutrients
January 1, 1970
Jozo Grgic et al. (2 authors)
Journal ArticleMeta-AnalysisReviewHuman Study
Extracted Claims (7)
InterventionDirectionEndpointPopulationDosageImpactClaim #
caffeine
increase
throwing performance
-
SMD: 0.19; 95% CI: 0.05, 0.33; p = 0.007
significant ergogenic effect
#1
caffeine
increase
throwing velocity
-
SMD: 0.24; 95% CI: 0.10, 0.37; p = 0.0006
significant ergogenic effect
#2
caffeine
increase
throwing performance
-
SMD: 0.18; 95% CI: 0.05, 0.31; p = 0.006
significant ergogenic effect
#3
caffeine
no change
throwing distance
-
SMD: 0.15; 95% CI: −0.09, 0.40; p = 0.22
no significant difference
#4
caffeine
no change
throwing performance
-
SMD: 0.17; 95% CI: −0.08, 0.41; p = 0.19
no significant difference
#5
caffeine
increase
throwing distance
-
-
ergogenic effect was observed
#6
caffeine
increase
throwing performance
-
-
ergogenic effect was observed
#7
Abstract

Ballistic exercise is characterized by high velocity, force, and muscle activation. Typical examples of ballistic exercise are jumping and throwing activities. While several studies explored caffeine’s effects on throwing performance, the between study findings varied. Therefore, we performed a meta-analysis exploring caffeine’s effects on throwing performance (e.g., shot put, medicine ball throw, bench press throw). Seven databases were searched for eligible research. Ten studies (n = 151) were included. In the main meta-analysis, there was a significant ergogenic effect of caffeine on throwing performance (standardized mean difference [SMD]: 0.19; 95% confidence interval [CI]: 0.05, 0.33; p = 0.007). There was a significant ergogenic effect of caffeine in the subgroup analysis for studies that evaluated throwing velocity (SMD: 0.24; 95% CI: 0.10, 0.37; p = 0.0006) and used caffeine doses ≤3 mg/kg (SMD: 0.18; 95% CI: 0.05, 0.31; p = 0.006). There was no significant difference between caffeine and placebo in the subgroup analysis for studies that evaluated throwing distance (SMD: 0.15; 95% CI: −0.09, 0.40; p = 0.22) and used caffeine doses >3 mg/kg, (SMD: 0.17; 95% CI: −0.08, 0.41; p = 0.19). However, after one outlier study was excluded as part of a sensitivity analysis, an ergogenic effect was also observed for throwing distance and caffeine doses >3 mg/kg. Based on the results of this review, we conclude that individuals interested in the acute enhancement of throwing performance may consider caffeine supplementation.

Medical Subject Headings (MeSH)
Athletic PerformanceCaffeineExerciseHumansMuscle StrengthPerformance-Enhancing Substances
Study Links
Citation Metrics
Total Citations6
Citations/Year2.0
Relative Citation Ratio1.32
NIH Percentile60.6%
Research Impact Scores
APT Score0.75
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