نشریه علمی پژوهشی طب انتظامی Journal of Police Medicine
Volume 14, Issue 1 (2025)
J Police Med 2025, 14(1) |
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Ethics code: IR.SSRC.REC.1404.358
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Hadi H, mohammadi M, amraei A. The Effect of a Training Period on Unstable Surfaces on Dynamic Postural Control and Shooting Performance in Students of Amin Police University. , J Police Med. 2025; 14 (1) : e16
URL: http://jpmed.ir/article-1-1377-en.html
URL: http://jpmed.ir/article-1-1377-en.html
1- police university , amir.hadi1@gmail.com
2- police university, tehran police university
2- police university, tehran police university
English Extended Abstract: (32 Views)
Introduction: Dynamic postural control plays a fundamental role in the execution of precise motor skills such as shooting. This study aimed to investigate the effect of a training period on unstable surfaces on dynamic postural control and shooting performance in students of Amin Police University.
Methods: This quasi-experimental study employed a pretest-posttest design with a control group. Sixty-eight police students (34 experimental, 34 control) were selected through purposive sampling. The experimental group performed balance training on unstable surfaces for 4 weeks (3 sessions per week). Dynamic postural control was assessed using a force plate (including total COP displacement, mean velocity of displacement, anteroposterior sway, and mediolateral sway), and shooting performance was evaluated using the SCATT system (including accuracy, precision, aiming stability, and aiming time). Data were analyzed using independent t-tests, ANCOVA, and repeated measures ANOVA.
Results: The results showed that training on unstable surfaces significantly reduced total COP displacement (P < 0.001, η² = 0.41), mean velocity of displacement (P < 0.001, η² = 0.31) and anteroposterior sway (P < 0.001, η² = 0.45), while increasing aiming stability (P < 0.001, η² = 0.40), shooting accuracy (P < 0.001, η² = 0.35) and decreasing aiming time (P < 0.001, η² = 0.37) in the experimental group. Effect sizes were large for all variables.
Conclusion: Training on unstable surfaces, as an effective intervention, can improve dynamic postural control (including reduced displacement, velocity, and sway) and shooting performance (including increased accuracy, aiming stability, and decreased aiming time) in police students. Incorporating these exercises into physical fitness and marksmanship training programs for police forces is recommended.
Methods: This quasi-experimental study employed a pretest-posttest design with a control group. Sixty-eight police students (34 experimental, 34 control) were selected through purposive sampling. The experimental group performed balance training on unstable surfaces for 4 weeks (3 sessions per week). Dynamic postural control was assessed using a force plate (including total COP displacement, mean velocity of displacement, anteroposterior sway, and mediolateral sway), and shooting performance was evaluated using the SCATT system (including accuracy, precision, aiming stability, and aiming time). Data were analyzed using independent t-tests, ANCOVA, and repeated measures ANOVA.
Results: The results showed that training on unstable surfaces significantly reduced total COP displacement (P < 0.001, η² = 0.41), mean velocity of displacement (P < 0.001, η² = 0.31) and anteroposterior sway (P < 0.001, η² = 0.45), while increasing aiming stability (P < 0.001, η² = 0.40), shooting accuracy (P < 0.001, η² = 0.35) and decreasing aiming time (P < 0.001, η² = 0.37) in the experimental group. Effect sizes were large for all variables.
Conclusion: Training on unstable surfaces, as an effective intervention, can improve dynamic postural control (including reduced displacement, velocity, and sway) and shooting performance (including increased accuracy, aiming stability, and decreased aiming time) in police students. Incorporating these exercises into physical fitness and marksmanship training programs for police forces is recommended.
Article number: e16
Keywords: Dynamic Postural Control, Shooting Performance, Unstable Surfaces, Balance, Police Students
Article Type: Original Research |
Subject:
Police Related Trauma
Received: 2026/07/19 | Accepted: 2026/09/14 | Published: 2026/10/27
Received: 2026/07/19 | Accepted: 2026/09/14 | Published: 2026/10/27
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