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Effect of maximal strength in bench press on the punching impact force in combat sports
Motejlek, Tadeáš ; Omcirk, Dan (advisor) ; Oláh, Vladan (referee)
Title: The effect of maximal strength in bench press on punch force in combat sports Objectives: The aim of the bachelor's thesis is to find out whether the maximum strength in the bench press has an effect on the force of the punch in combat sports and whether it is therefore advantageous to include the bench press in training for the development of the strength of the upper limbs in combat sports. Next, to verify whether there is a connection between the maximum force of the punch and additional variables, which include the speed of lifting the barbell during the bench press, the intercept of the speed axis V0, the intercept of the load axis L0, the area under the line and the slope of the regression line. Methods: The research was based on testing bench press maximum strength for one repetition maximum and maximum force of the rear cross punch of the dominant upper limb. During tests were used position transducers to measure the lifting speed of the barbell and force plate to measure the impact of punch. The evaluation of the measured data took place using the Shpiro-Wilk test of normality of data distribution and subsequent correlation analysis using the Spearman correlation coefficient. Results: Between the one repetition maximum in bench press and maximum punch force was found no...
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Effects of Height and added Load on kinematic drop vertical jump at Military Personnel
Didek, Zdeněk ; Oláh, Vladan (advisor) ; Prokešová, Eva (referee)
Title: Effects of Height and added Load on kinematic drop vertical jump in Military Personnel. Goal: This research investigated how added load affects the kinematics of lower extremities during drop vertical jump from different heights in military personnel. Methods: The character of this thesis was theoretical and empirical. It was a randomized trial with a cross-over design. The research population consisted of 23 army students (21.8 ± 1.8 years, 182.1 ± 9.4 cm 82.3 ± 7.2 kg) of Faculty of Physical Education and Sport of Charles University who performed jumps and subsequent lunges (drop vertical jump) from a height of 50 and 75 cm without non-PNZ and with PNZ (21.45 kg) of load carry. Dartfish (10.0) was used for dynamic valgus analysis. The data obtained were descriptively and statistically analyzed in Jasp (0.16.2) using repeated measures analysis of variance. The level of statistical significance was set at α=0.05. Eta-squared was calculated at η2 =0.066 and Cohen's d at d=0.626. Results: There was no evidence of main effect of load bearing with different jump heights on dynamic knee valgus. The descriptive statistics yielded only positive values for knee angles, indicating only dynamic varus. However, the effect of load carry and jump height on lower limb kinematics showed the following...
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Kickboxing technique and the frequency of use in ring disciplines: a systematic review
Kohout, Ondřej ; Omcirk, Dan (advisor) ; Oláh, Vladan (referee)
Title: Kickboxing techniques and the frequency of their use in ring disciplines: a systematic review Objectives: The aim of this thesis is to determine the frequency of individual techniques used during fights in full-contact kickboxing matches at international level based on a systematic review of scientific publications. Methods: The method used to create this bachelor thesis was a systematic review based on a referred selection of items in accordance with PRISMA recommendations. First, a research question was set to determine the frequency of techniques used in ring disciplines (K-1 and Low kick) in kickboxing. Using predefined keywords and Boolean operators, a search script was developed to search scientific databases such as the Web of Science, PubMed and Scopus. Duplicate studies were removed from search results and the final number of studies was reduced according to predefined criteria. Eligible studies were used for data analysis and subsequent synthesis. Results: Out of the total number of studies found (n = 347), ten studies were used for the results of this systematic search. The most commonly used technique in kickboxing ring disciplines was identified as the Jab. Two studies have identified the Jab as the technique with the highest frequency of use, while three other studies...
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Comparison of body composition and physical level of students of the Military Branch at FTVS UK at the beginning and at the end of their studies.
Gacek, Tomáš ; Sovák, Libor (advisor) ; Oláh, Vladan (referee)
Title: Comparison of body composition and physical level of students of the Military Branch at FTVS UK at the beginning and at the end of their studies. Objective: To evaluate the results from the measurements of the members of the VO FTVS UK at CASRI, what changes occurred in terms of their physical performance and body composition in the beginning and in the end of their studies. Method: Paired t-test was used to analyze the data of members of the VO FTVS UK who successfully completed full-time undergraduate and graduate studies. These were data from 8 males (age 24,3±1,5; weight in kg 79,3±6,1; height in cm 179,5±5,8) and 1 female (age 24; weight in kg 66,9; height in cm 171) from measurements at CASRI, which tested physical level on a stepwise test (on a treadmill) and body composition on the TANITA MC-780. Results: Paired t-test analysis of the data confirmed a statistically significant difference in muscle mass gain (mean difference=3,14 kg; p=0,0007) at the end of the study. On the other hand, during the stepwise test, there was no statistically significant difference in final heart rate (mean difference=0,58; p=0,9394) or lactate levels (mean difference=0,66; p=0,1639). Based on this measurement, it can be concluded that there was no statistically significant deterioration in physical level...
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Reliability of a load-carrying test by military personnel
Kubák, David ; Oláh, Vladan (advisor) ; Michalička, Vladimír (referee)
Title: Reliability of a load-carrying test by military personnel. Objectives: This study aims to determine the reliability of carrying a load of 15kg test designed for occupational testing of military personnel of the Czech Army. Methods: This theoretical-empirical work tested a deliberate set of students from the Military Branch at the Faculty of Physical Education and Sport of Charles University. The research population consisted of 17 probands with an average age of 22.1 years, an average height of 179.4 cm and an average weight of 78.9 kg. It uses the reliability test-retest method. The probands underwent 8 timed trials, then recorded in Microsoft Excel. The recorded results in Microsoft Excel were converted to txt format and then descriptively and statistically analyzed in Jasp (0.17.1.0). An intraclass correlation coefficient of the ICC type of 3.1 was used to statistically assess the consistency of performance, accompanied by 95% confidence intervals [LL, UL]. Results: Performance across test trials showed a moderate level of consistency with ICC (3,1) = 0,725, [0,567, 0,866]. ICC values ≥ 0.5 were considered sufficiently consistent. Keywords: Stress test, occupational testing, reliability, load carriage, military, test-retest
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Strength exercises for the prevention of knee injuries in drop landing: a sysmatic review.
Novák, Michal ; Oláh, Vladan (advisor) ; Omcirk, Dan (referee)
Title: Strength exercises for the prevention of knee injuries in drop landing: a sysmatic review. Objectives: This study aims to create an incidence overview of strength exercises for the prevention of knee injuries during drop landing using a systematic search of scientific databases. Methods: For an elaboration of this thesis was used the systematic review method based on recommendations of PRISMA (Page et al., 2021). At the beginning of the thesis, a research question was defined to identify the most common strength exercises in intervention programs to prevent drop landing injuries. Next, a script was created using defined keywords and Boolean operators such as AND, OR and NOT. The script was used to retrieve studies from internet databases (Web of Science, SportDiscus, Scopus, PubMed). Duplicates were subsequently excluded from the retrieved studies, and the number of studies was further reduced by expert review according to predefined criteria. Results: According to the results of this bachelor thesis, lunges are the most common exercise used in intervention programs to prevent knee injuries during drop landing. They were used in 13 out of 24 intervention programs. In addition to strength exercises, plyometric exercises are widely used in intervention programs. Keywords: Strength training,...
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Determination of performance standards for the hand release push-up - arm extension exercise for the needs of chemical troops of the Czech Army Land Forces Headquaters.
Kordač, Jacob ; Oláh, Vladan (advisor) ; Michalička, Vladimír (referee)
Title: Determination of performance standards for the hand release push-up - arm extension exercise for the needs of chemical troops of the Czech Army Land Forces Headquaters. Objectives: This thesis aims to determine the performance standards of the hand release push-up-arm extension exercise for the needs of chemical troops of the Czech Army Land Forces Headquarters. Methods: One hundred and fifty-nine professional soldiers (33,5 ± 7,1 years) from two different battalions within the Chemical Forces of the Czech Army Ground Forces Command (VePozS) participated in the standardized testing, which took place in May 2022. Participants performed an individual warm-up followed by a protocol to determine the highest number of repetitions during two minutes. It was an absolute - extreme test. Emphasis was placed on adherence to standard testing, i.e., reliability and validity conditions. This was ensured by trained physical education staff and calibrated digital stopwatches. Data analysis was carried out in Jamovi 2. 3. 5. Normality was calculated using the Shapiro-Wilk test, and norms were based on percentiles. The sample of one hundred and fifty soldiers was divided into men into three age categories. Norms were developed for these categories on a four-point scale with excellent, good, fair, and...
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Impact of gear and weaponry on muscle activation in the direct front kick
Oláh, Vladan ; Vágner, Michal (advisor) ; Kubový, Petr (referee)
Title: The influence of equipment and arms on skeletal muscles activities while practising direct kick. Aim: The aim of this thesis was to find out the influence of carried equipment and arms on the activity of skeletal muscles when a direct front kick is being practised. The methods used: This thesis has an empirically observational character. Muscular activities were measured by means of surface electromyography synchronised by Qualisys screen system. To obtain statistic data, a t-test has been used, requiring 5 % significance level. Results: While carrying a 15-kilogram load, the activity of skeletal muscles was not significantly reduced when performing a direct front kick. However, a 30- kilogram load caused a substantial reduction of skeletal muscular activities during the kick described above. After adding a 15-kilogram bag to another 15 kilograms in the form of a body armour, a helmet and arms, the muscular activity changed its features in a considerable way. Furthermore, most respondents proved 45-kilogram load to be over their limit. The equipment and arms of that weight led to the summation action potential, exceeding the power- coordinative functional reserve, and thus the deformation of the direct front kick technique. Keywords: close combat, EMG, equipment, arms, direct front kick
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Effects of isokinetic strength and postural muscles on dynamic strength, velocity and angular velocity of a front kick with and no carried load.
Krajcigr, Jan ; Vágner, Michal (advisor) ; Oláh, Vladan (referee)
Title: Effects of isokinetic strength and postural muscles on dynamic strength, velocity and angular velocity of a front kick with and no carried load. Objectives: The aim of the work was to find the effect of the isokinetic strength of hip and knee flexors and extensors of the lower limb performing a front kick, hip rotators during concentric and eccentric contraction of the standing lower limb and the postural muscles on dynamic forces, velocity and angular velocity of a front kick with and no carried load. Methods: This correlation study was conducted on 16 male participants (age: 22 ± 1,5 years⁏ weight: 79 ± 6,6 kg⁏ height: 182 ± 6,1 cm) studying military physical education at the Faculty of Physical Education and Sports of Charles University in Prague. Participants performed 5 consecutive front kicks with or without additional load (0 kg, 5 kg, 15 kg, 30 kg, 45 kg). The dynamic strength of the kicks was measured using a Kistler force plate. The velocity and angular velocity of the kicks were measured using a motion capture system (Qualisys). The isokinetic strength of hip and knee flexors and extensors and hip internal and external rotators were measured using a Humac Norm isokinetic dynamometer (CSMI). Postural muscles strength was assessed using 5 different stability tests. The correlation...
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Determination of leg tuck performance standards for the needs of the Army of the Czech Republic
Rausa, Ondřej ; Michalička, Vladimír (advisor) ; Oláh, Vladan (referee)
Title: Determination of leg tuck performance standards for the needs of the Army of the Czech Republic Goal: The aim of this study is to determinate performance standards for the leg tuck exercise, which is part of the proposal for a new physical examination. Method: Standardized testing was used to determine the performance standards. Subject of 702 soldiers from 3 different units was tested. The 3 units were 44.lmopr Jindřichův Hradec, 25.plrp Strakonice and 14. plogp Pardubice. Soldiers were tested regardless of their age or gender. The aim for every soldier was to perform as much possible repetitions of leg tuck as possible. All this in accordance with predetermined rules. One of the main focuses was to abide the rules of standardized testing, which mostly means to meet the conditions of validity and reliability. The testing took place from January to April 2021. Subsequently, the results were analyzed, and performance standards were set. The results did not meet the normal distribution of data, so the setting of standards using the appropriate statistical methods had to be abandoned. Because of that, panel of experts was created, who set performance standards based on the results provided by the researcher. Results: The result of this bachelor's thesis is the determination of performance...
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