When Task Constraints Delimit Movement Strategy: Implications for Isolated Joint Training in Dancers by Paige E. Rice, Paige E. Rice, Sophia Nimphius, Sophia Nimphius

“…The application of Newell's theoretical model in the context of a strength and conditioning supports development of musculoskeletal properties and control and is conceptually applicable to a range of athletes.…”
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Effect of a 3-month L-carnitine supplementation and resistance training program on circulating markers and bone mineral density in postmenopausal women: a randomized controlled tri... by Robert A. Olek, Emilia Samborowska, Piotr Wisniewski, Pawel Wojtkiewicz, Krystian Wochna, Jacek Zielinski

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Sports Participation Promotes Beneficial Adaptations in the Erythrocyte Guanylate Nucleotide Pool in Male Athletes Aged 20–90 Years by Pospieszna B, Kusy K, Slominska EM, Ciekot-Sołtysiak M, Zieliński J

“…Barbara Pospieszna,1 Krzysztof Kusy,1 Ewa Maria Slominska,2 Monika Ciekot-Sołtysiak,1 Jacek Zieliński1 1Department of Athletics, Strength and Conditioning, Poznan University of Physical Education, Poznan, Poland; 2Department of Biochemistry, Medical University of Gdansk, Gdansk, PolandCorrespondence: Barbara Pospieszna, Department of Athletics, Strength and Conditioning, Poznan University of Physical Education, Królowej Jadwigi 27/39, Poznan, 61-871, Poland, Tel +48-618-355-270, Email bpospieszna@awf.poznan.plIntroduction: The guanine nucleotide pool (GTP, guanosine-5’-triphosphate; GDP, guanosine-5’-diphosphate, and GMP, guanosine-5’-monophosphate) is an essential energy donor in various biological processes (eg protein synthesis and gluconeogenesis) and secures several vital regulatory functions in the human body. …”
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The effect of three different pre-match warm-up structures on male professional soccer players’ physical fitness by Mehdi Ben Brahim, Alejandro Sal-de-Rellán, Adrián García-Valverde, Hussain Yasin, Javier Raya-González

“…Background Optimizing the soccer players’ match preparation is one of the most relevant concerns of coaches for strength and conditioning training. Thus, the aim of this study was to analyze the effects of three pre-match warm-up structures on the physical condition of male professional soccer players. …”
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The effect of multi-ingredient intra- versus extra-cellular buffering supplementation combined with branched-chain amino acids and creatine on exercise-induced ammonia blood concen... by Krzysztof Durkalec-Michalski, Krzysztof Kusy, Natalia Główka, Jacek Zieliński

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Strategies and Solutions for Team Sports Athletes in Isolation due to COVID-19 by Igor Jukic, Julio Calleja-González, Francesc Cos, Francesco Cuzzolin, Jesús Olmo, Nicolas Terrados, Nenad Njaradi, Roberto Sassi, Bernardo Requena, Luka Milanovic, Ivan Krakan, Kostas Chatzichristos, Pedro E. Alcaraz

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Subjective assessment and biochemical evaluation of traction therapy in women with chronic low back pain: does body mass index matter? A clinical study by Marzena Ratajczak, Michał Wendt, Ewa Śliwicka, Damian Skrypnik, Jacek Zieliński, Krzysztof Kusy, Piotr Krutki, Małgorzata Waszak

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Dose-response relationship of resistance training for muscle morphology and strength in elderly cancer patients: A meta-analysis by Haiting Zhai, Haiting Zhai, Hongwen Wei, Jixiang Xia, Wei Wang

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Differences between official and non-official matches in worst-case scenarios in elite futsal players by Konstantinos Spyrou, Tomás T. Freitas, Elena Marín-Cascales, Rubén Herrero-Carrasco, Pedro E. Alcaraz

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Why Is Hamstring Strain Injury so Common in Sport Despite Numerous Prevention Methods? Are There Any Missing Pieces to This Puzzle? by Łukasz Oleksy, Łukasz Oleksy, Łukasz Oleksy, Anna Mika, Jacek Pacana, Olimpia Markowska, Artur Stolarczyk, Renata Kielnar

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Acute effect of static and dynamic stretching on hip dynamic range of motion during instep kicking in professional soccer players by Amiri-Khorasani, M., Abu Osman, Noor Azuan, Yusof, A.

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Relationships between Functional Movement Quality and Sprint and Jump Performance in Female Youth Soccer Athletes of Team China by Junjie Zhang, Junlei Lin, Hongwen Wei, Haiyuan Liu

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The Specific Judo Training Program Combined With the Whole Body Cryostimulation Induced an Increase of Serum Concentrations of Growth Factors and Changes in Amino Acid Profile in P... by Joanna Jaworska, Radoslaw Laskowski, Ewa Ziemann, Klaudia Zuczek, Giovanni Lombardi, Giovanni Lombardi, Jedrzej Antosiewicz, Piotr Zurek

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Identification of Neuromuscular Performance Parameters as Risk Factors of Non-contact Injuries in Male Elite Youth Soccer Players: A Preliminary Study on 62 Players With 25 Non-con... by Mathias Kolodziej, Mathias Kolodziej, Kevin Nolte, Marcus Schmidt, Tobias Alt, Thomas Jaitner

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The Malnutritional Status of the Host as a Virulence Factor for New Coronavirus SARS-CoV-2 by Matteo Briguglio, Fabrizio Ernesto Pregliasco, Fabrizio Ernesto Pregliasco, Giovanni Lombardi, Giovanni Lombardi, Paolo Perazzo, Giuseppe Banfi, Giuseppe Banfi

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Corrigendum: Relationship between metabolites of vitamin D, free 25-(OH)D, and physical performance in indoor and outdoor athletes by Anna Książek, Aleksandra Zagrodna, Małgorzata Słowińska-Lisowska, Giovanni Lombardi, Giovanni Lombardi

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Effects of flywheel resistance training on the running economy of young male well-trained distance runners by Yingying Weng, Yingying Weng, Haochong Liu, Tingting Ruan, Wenpu Yang, Hongwen Wei, Yixiong Cui, Indy Man Kit Ho, Indy Man Kit Ho, Qian Li

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The effects of 8-week complex training on lower-limb strength and power of Chinese elite female modern pentathlon athletes by Zining Qiao, Zhenxiang Guo, Bin Li, Meng Liu, Guozhen Miao, Limingfei Zhou, Dapeng Bao, Junhong Zhou

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Physical and Performance Characteristics of 3×3 Professional Male Basketball Players by Dimitrije Cabarkapa, Darko Krsman, Damjana V. Cabarkapa, Nicolas M. Philipp, Andrew C. Fry

“…Overall, the findings of the present study provide coaches, sports scientists, and strength and conditioning practitioners with information that can aid in the athlete selection process, detection of areas for further improvement, and development of training regimens that resemble 3×3 basketball on-court competitive demands.…”
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An Overview and Critique of NCAA Policy Regarding the Use of Sport Psychology Consultants at the Division I Level by James H. Bemiller, Craig A. Wrisberg

“…In this paper, we briefly discuss the history of NCAA rules governing the activities of SPCs, provide excerpts from the sport psychology literature and the NCAA D-I Manual that illustrate how the specialized work of SPCs is different from that of coaches, suggest reasons why allowing student-athletes and coaches access to SPCs during practices and competitions would be beneficial to both groups, and propose ways NCAA legislation might be amended to allow SPCs to work with student-athletes in a manner similar to the ways other athletic department support personnel (e.g., athletic trainers and strength and conditioning coaches) are permitted to do.…”
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