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 by Michał Krzysztofik, Jakub Jarosz, Robert Urbański, Piotr Aschenbrenner, Petr Stastny

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The Acute Effects of Combined Isometric and Plyometric Conditioning Activities on Sprint Acceleration and Jump Performance in Elite Junior Sprinters by Przemysław Pietraszewski, Artur Gołaś, Adam Zając, Krzysztof Maćkała, Michał Krzysztofik

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Profile of 50 m Sprinting: The Influence of Carbon-Plated Spikes on Maximum-Velocity Performance by Krzysztof Mackala, Michal Krzysztofik, Adrian Weber, Dariusz Mroczek, Adam Zajac

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Acute Effects of Fast vs. Slow Bench Press Repetitions with Equal Time Under Tension on Velocity, sEMG Activity, and Applied Force in the Bench Press Throw by Athanasios Tsoukos, Michal Wilk, Michal Krzysztofik, Adam Zajac, Gregory C. Bogdanis

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Effect of Post-Activation Performance Enhancement in Combat Sports: A Systematic Review and Meta-Analysis—Part I: General Performance Indicators by Artur Terbalyan, Karol Skotniczny, Michał Krzysztofik, Jakub Chycki, Vadim Kasparov, Robert Roczniok

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Acute effects of unilateral conditioning activity on unilateral and bilateral jumping performance and bilateral strength asymmetry by Jonatan Helbin, Agata Latocha, Michał Spieszny, Paulina Ewertowska, Michał Wilk, Michał Krzysztofik

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Acute effects of isometric conditioning activity with different distribution contraction on countermovement jump performance in resistance trained participants by Jakub Jarosz, Milosz Drozd, Dawid Gawel, Michal Wilk, Jonatan Helbin, Michal Krzysztofik

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Sleep Knowledge, Beliefs and Practices in Youth Sports Coaches and Science Support Staff by Zuzanna Komarek, Malgorzata Holda, Sara Krzysztofik, Michal Spieszny, Michal Krzysztofik, Aleksandra Filip-Stachnik

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Acute Effects of Isometric Conditioning Activity with Different Set Volumes on Countermovement Jump Performance in Highly Trained Male Volleyball Players by Jakub Jarosz, Dawid Gawel, Izabella Socha, Paulina Ewertowska, Michal Wilk, Danny Lum, Michal Krzysztofik

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Acute Heterogeneous Changes in Muscle and Tendon Viscoelastic Properties Following a VO₂max Treadmill Test in High-Level Male Soccer Players by Karol Skotniczny, Artur Terbalyan, Michał Krzysztofik, Robert Roczniok, Miłosz Drozd, Łukasz Radzimiński, Jakub Jarosz

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How repeatable is PAPE effect: the impact of in-season isometric squat activation on countermovement jump performance enhancement in national level soccer players by Jakub Jarosz, Dawid Gawel, Pawel Grycmann, Piotr Aschenbrenner, Michal Spieszny, Michal Wilk, Michal Krzysztofik

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Changes of abdominal wall tension across various resistance exercises during maximal and submaximal loads in healthy adults: a cross-sectional study by Roman Jurik, Petr Stastny, Dominik Kolinger, Tomas Vetrovsky, Jakub Novak, Alena Kobesova, Michal Krzysztofik, Andrew Busch

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