Acute caffeine supplementation enhances several aspects of shot put performance in trained athletes.
Loading...
Identifiers
Publication date
2022
Start date of the public exhibition period
End date of the public exhibition period
Advisors
Journal Title
Journal ISSN
Volume Title
Publisher
Journal of the International Society of Sports Nutrition
Share
Abstract
The aim of this investigation was to determine the effect of a moderate
dose of caffeine (3 mg/kg/b.m.) on muscular power and strength and
shot put performance in trained athletes. Methods. Thirteen shot
putters (eight men and five women) participated in a double-blind,
placebo-controlled, randomized experiment. In two different trials,
participants ingested either 3 mg/kg/b.m. of caffeine or a placebo.
Forty-five min after substance ingestion, athletes performed
a handgrip dynamometry test, a countermovement jump (CMJ),
a squat jump (SJ), and a maximum-velocity push-up. The athletes
also performed three types of throws: a backwards throw, a standing
shot put and a complete shot put. Results. In comparison with the
placebo, caffeine ingestion increased CMJ height (32.25 ± 7.26 vs.
33.83 ± 7.72 cm, respectively; effect size (ES) = 0.82, p = 0.012;
+5.0%;) and SJ height (29.93 ± 7.88 vs. 31.40 ± 7.16 cm; ES = 0.63,
p = 0.042; +6.4%) and distance in the standing shot put (10.27 ± 1.77 m
vs. 10.55 ± 1.94 m; ES = 0.87, p = 0.009; +2.6%). However, caffeine
ingestion did not increase strength in the handgrip test, power in the
ballistic push-up, or distance in the backwards throw (all p > 0.05). Shot
put performance changed from 11.24 ± 2.54 to 11.35 ± . 2.57 m
(ES = 0.33, p = 0.26; +1.0%), although the difference did not reach
statistically significant differences. Caffeine ingestion did not increase
the prevalence of side effects (nervousness, gastrointestinal problems,
activeness, irritability, muscular pain, headache, and diuresis) in comparison
with the placebo (p > 0.05). Conclusion. In summary, caffeine
ingestion with a dose equivalent to 3 mg/kg/b.m. elicited moderate
improvements in several aspects of physical performance in trained
shot putters but with a small effect on distance in a complete shot put.
Doctoral program
Description
Keywords
Ergogenic aids, Athletics, Elite athlete, Throwing, Vertical jump