Abstract
This study investigates the relationship between reactive agility and reaction speed, sprint speed, and muscle strength and their contribution to Y-shaped agility test and reactive agility test (RAT) performance in handball players. Seven handball players performed a Y-shaped agility test and RAT, simple and choice-based reaction time test, reaction test to fast and slow generated visual stimuli, 5 m and 20 m sprint tests, a 505 Agility test, a squat jump, a countermovement jump, and a drop jump. The results reveal a significant relationship between the times for the Y-shaped agility test and the 20 m sprint (r = 0.777, p = 0.040, R = 0.604), as well as the time for the 505 Agility test (r = 0.770, p = 0.043, R2 = 0.593), and RSI (r = −0.755, p = 0.050, R2 = 0.570); however, no relationship was found with parameters pertaining to reaction speed. RAT performance did not significantly correlate with RSI, time in the 505 Agility test, squat jump height, time in the 20 m sprint, and reaction time to fast generated visual stimuli, although large effect sizes were found (r > 0.5). It seems that the contribution of sensory and motor components depends on the structure of the agility test. While the Y-shaped agility test is mainly determined by sprinting, the change of direction speed, and reactive strength, there is the tendency for the reactive agility test to be determined by strength, speed, and visual reaction time.
Highlights
IntroductionAgility is an important skill for both attackers and defenders in invasion sports [1]
Published: 15 July 2021Agility is an important skill for both attackers and defenders in invasion sports [1].It is generally accepted that agility has both movement and reactive elements, whereas predetermined change of direction (COD) tasks without a requirement to react to a stimulus are described by COD ability [2]
The time in Y-shaped agility test significantly correlated with the time in the 20-m-long sprint, time in the 505 Agility test, and reactive strength index (RSI) in the drop jump test (r = 0.777, r = 0.770, and r = −0.755, respectively)
Summary
Agility is an important skill for both attackers and defenders in invasion sports [1]. It is generally accepted that agility has both movement and reactive elements, whereas predetermined change of direction (COD) tasks without a requirement to react to a stimulus are described by COD ability [2]. Some authors use the term “reactive agility” to make a clear distinction from agility including only change of direction speed (CODS) [3,4]. The first deterministic model in this context was published in 2002 [5], which indicated that agility includes two subcomponents, i.e., the CODS component and perception and decision-making component, which are determined by many other factors. The assessment of reactive agility is more complex because of the requirement to react to a stimulus in contrast with only pre-planned COD movements. Some researchers have used a flashing light device to direct athletes to new locations [6,7,8,9]
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