Poslední příspěvky

  • Evaluation of the Impact of External Conditions on Arm Positioning During Punches in MMA Fighters: A Comparative Analysis of 2D and 3D Methods 

    původní článek

    open access

    vydavatelská verze

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    Skalski, Dariusz

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    Pronczuk, Magdalena

    ;

    Šťastný, Petr

    ;

    Losinska, Kinga

    ;

    Drozd, Milosz

    ;

    Toborek, Michal

    ;

    Aschenbrenner, Piotr

    ;

    Maszczyk, Adam

    2025

    ,

    Sensors

    ,

    25

    (11)

    Mixed Martial Arts (MMA) is a highly dynamic combat sport that requires precise motor coordination and technical execution. Video-based motion analysis, including two-dimensional (2D) and three-dimensional (3D) motion ...

  • Sex-dependent responses to acute sodium bicarbonate different dose treatment: A randomized double-blind crossover study 

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    open access

    vydavatelská verze

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    Durkalec-Michalski, Krzysztof

    ;

    Nowaczyk, Paulina M.

    ;

    Saunders, Bryan

    ;

    Carr, Amelia

    ;

    Kamińska, Joanna

    ;

    Šteffl, Michal

    ;

    Podgórski, Tomasz

    2025

    ,

    Journal of Science and Medicine in Sport

    ,

    28

    (2)

    This study quantified blood bicarbonate (HCO3-) kinetics and gastrointestinal upset to determine the gender-related ergogenic potential of sodium bicarbonate (0.15-, 0.25- and 0.35 gSB.kgFat-free mass (FFM)-1) in high ...

  • The evolution of sprinting performance: Technological and regulatory inflluences from 1976 to 2024 

    původní článek

    open access

    vydavatelská verze

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    Skalski, Dariusz Tadeusz

    ;

    Pronczuk, Magdalena

    ;

    Losinska, Kinga

    ;

    Lulinska, Ewelina

    ;

    Motowidlo, Joanna

    ;

    Šťastný, Petr

    ;

    Maszcyk, Adam

    ;

    Trybek, Grzegorz

    2025

    ,

    Baltic Journal of Health and Physical Activity

    ,

    17

    (2)

    Background: This study examines the progression of sprinting performance across the 100m, 200m, and 400m events from 1976 to 2024, highlighting the influence of technological advancements and regulatory changes. Over the ...

  • Impact of SARS-CoV-2 on Aerobic and Anaerobic Capacity in Professional Ice Hockey Players 

    původní článek

    embargo

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    Roczniok, Robert

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    Terbalyan, Artur

    ;

    Pietraszewski, Przemyslaw

    ;

    Mikrut, Grzegorz

    ;

    Zielonka, Hanna

    ;

    Šťastný, Petr

    ;

    Swinarew, Andrzej

    ;

    Manilewska, Daria

    ;

    Ornowski, Kajetan

    ;

    Jablonski, Tomasz

    ;

    Lipinska, Patrycja

    2025

    ,

    Journal of Clinical Medicine

    ,

    14

    (10)

    Background/Objectives: COVID-19 poses significant physiological challenges for athletes, particularly those engaged in high-intensity intermittent sports such as ice hockey. This study aimed to evaluate the impact of ...

  • Effects of 6 weeks of complex training on athletic performance and post-activation performance enhancement effect magnitude in soccer players: a cross-sectional randomized study 

    původní článek

    open access

    vydavatelská verze

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    Krzysztofik, Michal

    ;

    Jaros, Jakub

    ;

    Urbański, Robert

    ;

    Aschenbrenner, Piotr

    ;

    Šťastný, Petr

    2025

    ,

    Biology of Sport

    ,

    42

    (1)

    This study aimed to determine the effect of complex training (CT) on post-activation performance enhancement (PAPE) effect magnitude, 5- and 30-m linear sprint, 5-0-5 change of-direction (COD), back squat (BS) and hip ...

  • Effects of overcoming isometric unilateral conditioning activity on subsequent single-leg drop jump in elite and amateur volleyball players: a randomized crossover trial 

    původní článek

    open access

    vydavatelská verze

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    Terbalyan, Artur

    ;

    Mikolajec, Kazimierz

    ;

    Krzysztofik, Michal

    ;

    Urbanski, Robert

    ;

    Jarosz, Jakub

    ;

    Šťastný, Petr

    ;

    Spieszny, Michal

    2025

    ,

    BMC Sports Science, Medicine and Rehabilitation

    ,

    17

    (1)

    Background The study aimed to assess the acute effects of overcoming isometric split squats on subsequent single-leg drop jump (DJ) performance and the contralateral effect in volleyball players, considering training status ...

  • The interactions between monocarboxylate transporter genes MCT1, MCT2, and MCT4 and the kinetics of blood lactate production and removal after high-intensity efforts in elite males: a cross-sectional study 

    původní článek

    open access

    vydavatelská verze

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    Maculewicz, Ewelina

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    Mastalerz, Andrzej

    ;

    Garbacz, Aleksandra

    ;

    Mroz, Anna

    ;

    Šťastný, Petr

    ;

    Petr, Miroslav

    ;

    Kolinger, Dominik

    ;

    Vostatková, Pavlína

    ;

    Bojarczuk, Aleksandra

    2025

    ,

    BMC Genomics

    ,

    26

    (1)

    BackgroundThis cross-sectional study investigated the relationship between genetic variations in monocarboxylate transporter genes and blood lactate production and removal after high-intensity efforts in humans. The study ...

  • Aktuální otázky zajišťování osob a věcí v trestním řízení 

    sborník

    open access

    vydavatelská verze

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    Gřivna, Tomáš

    ;

    Šámal, Pavel

    ;

    Adamec, Martin

    ;

    Pelc, Vladimír

    ;

    Oborák, Daniel

    ;

    Slovák, Martin

    ;

    Tlapák Navrátilová, Jana

    ;

    Galovcová, Ingrid

    ;

    Čentéš, Jozef

    ;

    Prokeinová, Margita

    ;

    Smejkal, Vladimír

    ;

    Beleš, Andrej

    ;

    Šanta, Ján

    ;

    Hunák, Peter

    ;

    Ľupták, Martin

    ;

    Mifek, Jan

    ;

    Pastieriková, Lenka

    ;

    Rampášek, Michal

    ;

    Remeta, Rastislav

    ;

    Szabová, Eva

    ;

    Tibitanzlová, Alena

    ;

    Halás, Mikuláš

    ;

    Poništ, Viliam

    ;

    Šanta, Ivo

    2024

    ,

    Praha

    ,

    Univerzita Karlova, Právnická fakulta

    Konferenční sborník je výstupem z konference konané dne 21. 3. 2024 na půdě Právnické fakulty Univerzity Karlovy v rámci tzv. tradiční březnové konference katedry trestního práva PF UK. Cílem sborníku je sumarizace zkušeností, ...

  • Verbální komunikace a posturální stabilita 

    Verbal communication and postural stability

    monografie

    open access

    vydavatelská verze

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    Švátora, Karel

    2024

    ,

    Plzeň

    ,

    Západočeská univerzita v Plzni

    Cíl: Zhodnotit, zda existuje vztah verbální intervence a projevůposturální stability.Metody: V rámci předložené práce byla realizována 3 výzkumná šetření.Prvního šetření se zúčastnilo 185 probandů (84 mužů) a bylozaměřeno ...

  • MicroRNA signatures in endurance athletes: a review of their potential implications 

    přehledový článek

    open access

    vydavatelská verze

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    Baber, Farwa

    ;

    Jaklová Dytrtová, Jana

    ;

    Jakl, Michal

    2024

    ,

    Rehabilitacja Medyczna

    ,

    28

    (2)

    Introduction: MicroRNAs (miRNAs) are regulators of post-transcriptional gene expression that reflect individual biological adaptations to environmental exposures. Measuring circulating miRNAs offers a way to evaluate ...

  • Sports Betting as a Threat to Sport 

    původní článek

    open access

    preprint

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    Mravec, Ladislav

    2024

    ,

    Fair Play

    ,

    25

    (Enero - January)

    This article aims to apply an ethical and a legal perspective to sports betting as a threat to sport and to analyse it on the international level. To achieve this, the article first explains the values of sport, gambling, ...

  • Does virtual reality allow for a reliable assessment of reaction speed in mixed martial arts athletes? 

    původní článek

    open access

    vydavatelská verze

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    Polechonski, Jacek

    ;

    Langer, Alan

    ;

    Šťastný, Petr

    ;

    Zak, Marcin

    ;

    Zajac-Gawlak, Izabela

    ;

    Maszczyk, Adam

    2024

    ,

    Baltic Journal of Health and Physical Activity

    ,

    16

    (3)

    Introduction: The immersive virtual reality (VR) might bring a new reliable approach to diagnosing motor abilities. Therefore, the main goal of this research was to check the intertrial reliability and diagnostic possibility ...

  • Changes of Anaerobic Power and Lactate Concentration following Intense Glycolytic Efforts in Elite and Sub-Elite 400-meter Sprinters 

    původní článek

    open access

    vydavatelská verze

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    Mastalerz, Andrzej

    ;

    Johne, Monika

    ;

    Mroz, Anna

    ;

    Bojarczuk, Aleksandra

    ;

    Šťastný, Petr

    ;

    Petr, Miroslav

    ;

    Kolinger, Dominik

    ;

    Pisz, Anna

    ;

    Vostatková, Pavlína

    ;

    Maculewicz, Ewelina

    2024

    ,

    Journal of Human Kinetics

    ,

    91

    (April Spec Issue)

    400-m races are based on anaerobic energy metabolism, they induce significant muscle fatigue, muscle fiber damage, and high blood lactate (LA) concentration. Despite extensive research on sprint training, our understanding ...

  • The Relation of On-Ice and Off-Ice Performance at Two Different Performance Levels in Youth Ice-Hockey Players 

    původní článek

    omezený přístup

    vydavatelská verze

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    Roczniok, Robert

    ;

    Šťastný, Petr

    ;

    Novák, Dominik

    ;

    Opath, Lukas

    ;

    Terbalyan, Artur

    ;

    Musálek, Martin

    2024

    ,

    Journal of Human Kinetics

    ,

    93

    (July)

    Ice hockey requires two levels of specific agility, involving different abilities, where the level of agility and their constraints might vary by the performance level. Therefore, this study aimed to compare the relationship ...

  • Effects of Eccentric Speed during Front Squat Conditioning Activity on Post-activation Performance Enhancement of Hip and Thigh Muscles 

    původní článek

    open access

    vydavatelská verze

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    Šťastný, Petr

    ;

    Kolinger, Dominik

    ;

    Pisz, Anna

    ;

    Wilk, Michal

    ;

    Petružela, Jan

    ;

    Krzysztofik, Michal

    2024

    ,

    Journal of Human Kinetics

    ,

    91

    (March Spec Issue)

    The phenomenon of post-activation performance enhancement plays an unidentified role in movement eccentric speed and individual muscle group responses. Therefore, this study aimed to determine whether the loaded front squat ...

  • Acute Effects of High-Load vs. Plyometric Conditioning Activity on Jumping Performance and the Muscle-Tendon Mechanical Properties 

    původní článek

    omezený přístup

    postprint

    Ikona Jiná licence

    Krzysztofik, Michal

    ;

    Wilk, Michal

    ;

    Pisz, Anna

    ;

    Kolinger, Dominik

    ;

    Bichowska, Marta

    ;

    Zajac, Adam

    ;

    Šťastný, Petr

    2023

    ,

    Journal of Strength and Conditioning Research

    ,

    37

    (7)

    Krzysztofik, M, Wilk, M, Pisz, A, Kolinger, D, Bichowska, M, Zajac, A, and Stastny, P. Acute effects of high-load versus plyometric conditioning activity on jumping performance and the muscle-tendon mechanical properties. ...

  • ASSESSMENT OF PHYSICAL CAPACITY LEVEL IN RECREATIONAL ATHLETES 

    původní článek

    omezený přístup

    vydavatelská verze

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    Rzeszutko-Bełzowska, Agata

    ;

    Przydział, Marta

    ;

    Pezdan-Śliż, Iwona

    ;

    Cięszczyk, Pawel

    ;

    Humińska-Lisowska, Kinga

    ;

    Šťastný, Petr

    ;

    Skrzęta, Skrzęta

    ;

    Lulińska, Agnieszka

    ;

    Prończuk, Magdalena

    ;

    Mendyka, Wiesław

    2023

    ,

    Journal of Kinesiology and Exercise Sciences

    ,

    33

    (104)

    Introduction: In the majority of the available source materials, research on the level of physical capacity of athletes concernsmembers of sports clubs and national teams, in a word, professional athletes. Does this mean ...

  • Relationship between on and off-water tests and canoe slalom performance 

    poster

    embargo

    vydavatelská verze

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    Vajda, Matej

    ;

    Krupa, Felix

    ;

    Busta, Jan

    ;

    Pratt, Jaylene

    2023

    This study aims to evaluate the relationship between on and off-water tests and canoe slalom performance.

  • Test–retest reliability of four flatwater performance-related tests in canoe slalom athletes 

    původní článek

    open access

    vydavatelská verze

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    Vajda, Matej

    ;

    Krupa, Felix

    ;

    Busta, Jan

    ;

    Pratt, Jaylene

    2023

    ,

    Frontiers in Physiology

    ,

    14

    (November)

    Purpose: This study aims to evaluate the test-retest reliability of four flatwater performance-related tests in canoe slalom athletes. Methods: Twenty-two Slovak national team members of junior and U23 age group racing in ...

  • Education as the Tool of the Involvement in Physical Activity 

    Vzdělávání jako nástroj zapojení do pohybové aktivity

    abstrakt v konferenčním sborníku

    omezený přístup

    draft

    Ikona Jiná licence

    Kotlík, Kamil

    2023

    ,

    Praha

    ,

    FTVS UK

    ,

    SCIENTIA MOVENS 2023 : BOOK OF CONFERENCE ABSTRACTS

    The paper deals with the issue of an education and its relationship with healthy lifestyle, namely with sport and other physical activity among Czech adult population.The research question was if people with higher education ...

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