Changes of Reaction Time and Blood Lactate Concentration of Elite Volleyball Players During a Game

• Authors: Dariusz Mroczek , Adam Kawczyński , Jan Chmura
• Languages of publication: EN

Abstracts

EN

The purpose of this study was to investigate changes in reaction time of elite volleyball players during a game. Fourteen volleyball players participated in the study. Reaction time was measured using the Optojump system. In addition, blood lactate concentration was assessed to monitor physiological load during the game. All measurements were performed during a pre-game test and during sets 1, 2, 3 and 4. Reaction time during set 1 decreased significantly by 13,3 % compared with pre-game values, from 600 ms during the pre-game test to 520 ms during set 1 (p<0,05). Blood lactate concentration increased significantly during set 1, 2, 3 and 4 compared with pre-game conditions (p<0,05). Reaction time stays in the first phase of its changes pattern and elite volleyball players do not reach psychomotor fatigue threshold throughout the game.

Keywords

EN

psychomotor fatigue threshold; reaction time; volleyball

• Publisher: De Gruyter Open
• Journal: Journal of Human Kinetics
• Year: 2011
• Volume: 28
• Pages: 73-78

Dates

published

1 - 6 - 2011

online

4 - 7 - 2011

Contributors

author

Dariusz Mroczek

• Department of Athletes Motor Skills, Sport Institute, University School of Physical Education, Wrocław, Poland

author

Adam Kawczyński

• Department of Athletes Motor Skills, Sport Institute, University School of Physical Education, Wrocław, Poland

author

Jan Chmura

• Department of Athletes Motor Skills, Sport Institute, University School of Physical Education, Wrocław, Poland

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Identifiers

DOI

10.2478/v10078-011-0024-y