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Effects of beta-blockers on archery performance, body sway and aiming behaviour
Emin Ergen1, Tahir Hazir2, Mesut Celebi3
1School of Physical Education and Sport, Halic University, Beyoglu, Istanbul, Turkey.
Objectives:
This study aimed to determine the effect of selective (bisoprolol-5 mg) and non-selective (propranolol-40 mg) beta-blockers on archery performance, body sway and aiming behaviour.
Methods:
Fifteen male archers participated in a randomised, double-blind, placebo-controlled, cross-over study and competed four times (control, placebo, selective (bisoprolol) and non-selective (propranolol) beta-blocker trials). Mechanical data related to the changes in the centre of pressure during body sway and aim point fluctuation and when shooting was collected. During the shots, heart rate was recorded continuously.
Results:
Results indicated that, in beta-blocker trials, although shooting heart rates were lowered by 12.8% and 8.6%, respectively, for bisoprolol and propranolol, no positive effect of beta-blockers was observed on shooting scores. Also, the use of beta-blockers did not affect shooting behaviour and body sway.
Conclusion:
The use of either selective or non-selective single dose beta-blockers had no positive effect on shooting performance in archery during simulated match conditions.
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