<abstract xmlns="http://www.w3.org/1999/xhtml">Study aim: the purpose of this study was to assess the effect of 3 mg and 5 mg per kg of body weight of caffeine on heart rate, blood pressure and shooting performance among elite shooters.
Material and methods: sStudy participants comprised 8 male shooters among athletes at the national level with at least 2 years of experience, with the mean age (26.50±13.08 years), weight (73.02 ± 12.2 kg), height (174.62 ± 8.97 cm) and BMI (23.93 ± 2.88 kg/m2). The blood pressure and heart rate of all participants were measured at rest. Participants then randomly took caffeine (3 mg and 5 mg per kg of body weight) or placebo for 3 different days, 2 days apart. One hour after ingestion, they shot with rifle and air pistol. Statistical analysis was performed using the ANOVA with repeated measures and the Bonferroni test.
Results: the results of the survey showed that taking 5 mg/kg of caffeine caused a significant increase in systolic blood pressure (p &lt; 0.001), diastolic blood pressure (p &lt; 0.05) and also caused a significant increase in heart rate (p &lt; 0.05) and a significant decrease in shooting performance (p &lt; 0.05). Moreover, taking 3 mg/kg of caffeine caused a significant increase in systolic blood pressure (p &lt; 0.05). But this amount of caffeine had no significant effect on the heart rate, diastolic blood pressure or shooting performance (p &lt; 0.05).
Conclusions: the results of this study suggest that taking 5 mg/kg of caffeine can increase the blood pressure and heart rate of the shooters that leads to a decrease in shooting performance.</abstract>

Study aim: the purpose of this study was to assess the effect of 3 mg and 5 mg per kg of body weight of caffeine on heart rate, blood pressure and shooting performance among elite shooters.
Material and methods: sStudy participants comprised 8 male shooters among athletes at the national level with at least 2 years of experience, with the mean age (26.50±13.08 years), weight (73.02 ± 12.2 kg), height (174.62 ± 8.97 cm) and BMI (23.93 ± 2.88 kg/m2). The blood pressure and heart rate of all participants were measured at rest. Participants then randomly took caffeine (3 mg and 5 mg per kg of body weight) or placebo for 3 different days, 2 days apart. One hour after ingestion, they shot with rifle and air pistol. Statistical analysis was performed using the ANOVA with repeated measures and the Bonferroni test.
Results: the results of the survey showed that taking 5 mg/kg of caffeine caused a significant increase in systolic blood pressure (p < 0.001), diastolic blood pressure (p < 0.05) and also caused a significant increase in heart rate (p < 0.05) and a significant decrease in shooting performance (p < 0.05). Moreover, taking 3 mg/kg of caffeine caused a significant increase in systolic blood pressure (p < 0.05). But this amount of caffeine had no significant effect on the heart rate, diastolic blood pressure or shooting performance (p < 0.05).
Conclusions: the results of this study suggest that taking 5 mg/kg of caffeine can increase the blood pressure and heart rate of the shooters that leads to a decrease in shooting performance.

The effect of different doses of caffeine on cardiovascular variables and shooting performance

Department of Physical Education and Sports Sciences, Semnan University, Semnan, Iran

Biomedical Human Kinetics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Study aim: the purpose of this study was to assess the effect of 3 mg and 5 mg per kg of body weight of caffeine on heart rate, blood pressure and shooting...

The effect of different doses of caffeine on cardiovascular variables and shooting performance

Published Online: Apr 23, 2015

Page range: -

DOI: https://doi.org/10.1515/bhk-2015-0007

Keywords
Caffeine, Heart rate, Blood pressure, Shooting

© University of Physical Education, Warsaw, Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The effect of different doses of caffeine on cardiovascular variables and shooting performance

Published Online: Apr 23, 2015

Page range: -

DOI: https://doi.org/10.1515/bhk-2015-0007

KeywordsCaffeine, Heart rate, Blood pressure, Shooting

© University of Physical Education, Warsaw, Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Caffeine, Heart rate, Blood pressure, Shooting