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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Repeated individual comparasion of heart rate on the land and in the water
 Němeček, Václav ; Thiel, Dan (advisor) ; Chrzanowská, Babeta (referee)
Title Repeated individual comparasion of heart rate on the land and in the water. Objective Find if exist significant difference of heart rate in repeated measurements between rating heart rate on dry land and in the water. Used methods The quantitative empirical research was carried out. The research method was the measurement of resting heart rate. Measurements were carried out in the form of intraindividual comparative analysis among six probands who were repeatedly tested supine for 5 minutes on land and subsequently 5 minutes in water. The water temperature was 30 řC and the water column height was 30 cm. Heart rate was measured using sporttester. Results The same tendency of reaction of the organism during repeated measurements did not confirm in 4 cases. Results in two cases confirmed the trend of decreasing heart rate during a stay in the water. The most measured resting heart rate decreased in water compared with the resting heart rate on dry land by 21.1% and increased the most by 6.1%. Keywords swimming, water, heart rate, resting heart rate, diving
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Effect of maximum heart rate on accuracy of fire
 Beneš, Jiří ; Majerčík, Petr (advisor) ; Barták, Erik (referee)
Titles Effect of maximum heart rate on accuracy of fire Objectives The goal of this work will be to examine the influence of maximum heart rate on accuracy of fire from the personal defensive gun (pistol), whereas a reference will be used the deviation in accuracy of fire. The group of respondents consists of members of the Police of the Czech republic. Methods It is the empirical work of observational character. To establish statistical significance we used independent samples, paired T - test. For statistical evaluations of the results we used methods of comparison and comparison of averages. To evaluate the shooting targets we used numerical method of detecting the mean point of impact. To establish the maximum heart rate we used sporttester. Results From the measured data was drawn this conclusion. The maximum heart rate has statisticaly significant effect on accuracy of fire. The accuracy of fire is expressed by average distances of single points of impact from the central point of impact. We found out that the performed activity could have had the impact on the size of the differences before and after the activity. Keywords shooting, physical stress, resting heart rate, maximum heart rate
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