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Absolute reliability, relative reliability, and criterion-related validity of two reactive agility tests using two types of stimuli in elite male volleyball players

André Rebelo

Quantify the reliability of two reactive agility drills: (a) the arrow reactive agility test (ARAT), where a stimulus comes from a person, and (b) the square upper body reactive agility test (SUBRAT), where the stimulus comes from a light. Their relationship was assessed with the T-Test, lower limbs’ power was evaluated using sprint and vertical jump performance, while lower and upper body maximal strength was evaluated with the back squat and bench press, respectively.

The main findings of this investigation showed that the ARAT is a reliable and valid test to assess the lower limb reactive agility component of elite male volleyball athletes.

The SUBRAT, on the other hand, is not as reliable as the ARAT and, therefore, might not be a recommended test to assess upper body reactive agility

The SUBRAT did not have a significant correlation with the T-Test, which might be explained by the fact that the SUBRAT does not have any contribution from the lower limbs, while the T-Test evaluates the legs’ CODS.

The SUBRAT and the acceleration and the 1-RM bench press correlations are both classified as large. It is curious to observe that the SUBRAT and the 1-RM bench press showed an inverse large correlation so when one variable increases, the other one decreases.

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