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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Local and global effect of sub-maximal squat on post-activation enhancement of muscle power output
 Kolinger, Dominik ; Šťastný, Petr (advisor) ; Hojka, Vladimír (referee)
Title: Local and global effect of sub-maximal squat on post-activation enhancement of muscle power output. Objectives: The aim of this thesis is to determine whether the phenomenon of post-activation performance enhancement (PAPE) manifests locally or globally in terms of improved muscle power output. That is, to determine whether activation of a complex muscle chain will lead to improvements in the muscle power output of other muscle groups and muscle groups included in the activated muscle chain. In this way, to indicate the relationship between global and local physiological mechanisms causing PAPE. Methods: The quasi-experimental method and the method of analysis were used in this work. Eleven basketball players aged 18-28 years completed two measurements in random order. The measurements started with a non-specific warm-up followed by a pre- activation test (pre-CA) to obtain baseline values. Next, the players performed a specific warm-up and activation exercise (CA) in the form of a squat with an intensity of 2 × 4 × 90 % of one repetition maximum (OM) with a rest interval of 3 min. After the activation exercise, post-CA values were measured at minutes 5, 8 and 11 on force plates and at minutes 6, 9 and 12 on an isokinetic dynamometer (IKD). Pre-CA and post-CA test of the protocol one...
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The influence of breathing strategy on sticking region during the bench press exercise.
 Kolinger, Dominik ; Šťastný, Petr (advisor) ; Petr, Miroslav (referee)
Title: The influence of breathing strategy on sticking region during the bench press exercise. Objectives: The aim of this work is to determine the differences in duration and track that are necessary to overcome the sticking region while using variations of breathing patterns and loads during the bench-press exercise. The next goal is to find out whether the sticking region occurs in the bench-press with resistance of 1 RM, 4 RM, 8 RM and 12 RM. Methods: In this thesis I used a method of experimental research combined with method of analysis. Method of randomized experimental research was aplied during the actual research in preset conditions in the sports laboratory. Later the collected data was analysed and evaluated using specialized software. Results: In the empirical part of this thesis I found out that there are significant changes in duration and track of the sticking region and its parts after modyfying the breathing pattern during bench-pressing with maximal resistance (p<0,05). The Valsalva maneuver proved to be the best breathing technique in relation to overcoming the sticking region. There seem to be no significant changes in the characteristics of the sticking region and its parts while using different breathing patterns and lifting submaximal loads (4 RM) (p>0,05). This study also...
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