Effects of the Task Complexity on the Single Movement Response Time of Upper and Lower Limbs in Police Officers

Dunja Janković, Aleksandar Čvorović, Milivoj Dopsaj, Iva Prćić and Filip Kukić
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Dunja Janković: Abu Dhabi Police, Police Sports Education Center, Abu Dhabi 253, United Arab Emirates
Aleksandar Čvorović: Abu Dhabi Police, Police Sports Education Center, Abu Dhabi 253, United Arab Emirates
Milivoj Dopsaj: Faculty of Sport and Physical Education, University of Belgrade, 11030 Belgrade, Serbia
Iva Prćić: Faculty of Sport and Physical Education, University of Belgrade, 11030 Belgrade, Serbia
Filip Kukić: Abu Dhabi Police, Police Sports Education Center, Abu Dhabi 253, United Arab Emirates

IJERPH, 2022, vol. 19, issue 14, 1-11

Abstract: Police officers occasionally encounter belligerents resisting or even physically assaulting them without or with objects. The self-defense or legal utilization of use of force to disable the offender from harming an officer or others may depend on a single movement speed of hands and legs. This study investigated the effects of task complexity on a single movement response time of the upper and lower limbs in police officers. The sample consisted of 32 male police officers aged between 23 and 50 years. They performed a single movement as fast as possible with their upper and lower limb in three incrementally more complex tasks. In the first task, participants acted on a light signal and with their dominant limb they had to turn off the signal as fast as possible. In the second task, on the light signal, participants could turn off the light with free choice of the upper limb in a hand task or lower limb in a leg task. In the third task, participants had to turn the light off with the right limb if the light turned red and with the left limb if the light turned blue. The BlazePod device was used to assess the movement response time. The results show that there was a significant effect of task complexity on the single movement response time of the hand (F = 24.5, p < 0.001) and leg (F = 46.2, p < 0.001). The training of police officers should utilize specific and situational tasks to improve movement response time by improving the redundancy in decision-making processes during work-specific tasks of different complexity.

Keywords: reaction speed; occupational performance; law enforcement officers (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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