Do Blood Lactate Levels Affect the Kinematic Patterns of Jump Shots in Handball?

Belcic, Ivan; Rodić, Sasa; Dukarić, Vedran; Rupčić, Tomislav; Knjaz, Damir

doi:10.3390/ijerph182010809

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Do Blood Lactate Levels Affect the Kinematic Patterns of Jump Shots in Handball?

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Faculty of Kinesiology, The Laboratory for Sports Games, University of Zagreb, 10000 Zagreb, Croatia

High School Jastrebarsko, 10450 Jastrebarsko, Croatia

Author to whom correspondence should be addressed.

Academic Editors: Hadi Nobari, Jorge Pérez-Gómez and Juan Pedro Fuentes García

Int. J. Environ. Res. Public Health 2021, 18(20), 10809; https://doi.org/10.3390/ijerph182010809

Received: 30 August 2021 / Revised: 11 October 2021 / Accepted: 12 October 2021 / Published: 14 October 2021

(This article belongs to the Special Issue Training for Optimal Sports Performance and Health)

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Abstract

The aim of this study was to determine whether the dynamic motor stereotype of movement (shooting technique) is violated under conditions of an increased lactate concentration in a player’s blood after a 30–15 intermittent fitness test. The hypotheses was that there would be statistically significant differences in ball speed and shooting accuracy in jump shots on the goal before and after the occurrence of fatigue in the player. The sample of respondents consisted of 10 top-level handball players of the highest competition rank in Croatia. The results showed significant differences before and after the fatigue protocol in the run-up speed (F = 5.66; p = 0.02), in the maximum speed of the forearm (F = 5.85; p = 0.02) and the hand (F = 4.01; p = 0.04), in the speed in the shoulder joint (F = 5.39; p = 0.02) and wrist joint (F = 4.06; p = 0.04), and in the ball shooting speed (F = 5.42; p = 0.02). The accuracy of the shot was, on average, lower (36.20 vs. 33.17 cm) but not significantly so. High blood lactate levels affect changes in certain kinematic parameters during the performance of a jump shot in handball. Consequently, this reduces the speed of the shot, which can affect situational performance as one of the two significant parameters of scoring success. View Full-Text

Keywords: movement analysis; performance; handball shot; internal load; shot precision

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Belcic, I.; Rodić, S.; Dukarić, V.; Rupčić, T.; Knjaz, D. Do Blood Lactate Levels Affect the Kinematic Patterns of Jump Shots in Handball? Int. J. Environ. Res. Public Health 2021, 18, 10809. https://doi.org/10.3390/ijerph182010809

AMA Style

Belcic I, Rodić S, Dukarić V, Rupčić T, Knjaz D. Do Blood Lactate Levels Affect the Kinematic Patterns of Jump Shots in Handball? International Journal of Environmental Research and Public Health. 2021; 18(20):10809. https://doi.org/10.3390/ijerph182010809

Chicago/Turabian Style

Belcic, Ivan, Sasa Rodić, Vedran Dukarić, Tomislav Rupčić, and Damir Knjaz. 2021. "Do Blood Lactate Levels Affect the Kinematic Patterns of Jump Shots in Handball?" International Journal of Environmental Research and Public Health 18, no. 20: 10809. https://doi.org/10.3390/ijerph182010809

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Do Blood Lactate Levels Affect the Kinematic Patterns of Jump Shots in Handball?

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