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Artykuł 2024

Effect of creatine and caffeine supplementation together and separately on serum lactate leveles and performance of male wrestlers

Autorzy / redaktorzy: Seyed Mohammad Seyedin Koojan, Giuseppe Merra, Giulia Frank, Paola Gualtieri, Mahsa Farahani, Martin Hofmeister, David Della Morte Canosci, Fateme Shabkhiz, Laura Di Renzo

Publikacja nadrzędna: Central European Journal of Sport Sciences and Medicine

Supplementation is widely used by athletes to enhance physical capabilities, improve exercise performance, and achieve other ergogenic effects. These practices promote adaptability, recovery, and the ability to train and compete. The aim of this study was to investigate the eff…

DOI: 10.18276/cej.2024.4-06 · ISSN: 2300-9705

Artykuł 2020

Können Verkehrsunternehmen ohne Gewinn am Markt bestehen?

Autorzy / redaktorzy: Hermann Witte

Publikacja nadrzędna: Problemy Transportu i Logistyki

It is demonstrated that (1) transport enterprises can operate on the market with a profit of zero and (2) they can finance their investments without profit. The rigid conditions of pure competition are not necessary. It is enough to adjust the different situations of incomplete c…

DOI: 10.18276/ptl.2020.49-04 · ISSN: 1644-275X

Artykuł 2019

Evolution of reception efficacy and execution in women’s volleyball according to level of competition – a descriptive study aged from 14-year-old to adult professional players

Autorzy / redaktorzy: Carlos J. EcheverrÍa, Enrique Ortega, José M. Palao

Publikacja nadrzędna: Central European Journal of Sport Sciences and Medicine

The aim of this study was to determine the technical performance profile of service reception with regard to execution and efficacy level according to level of competition in women’s volleyball. The sample of the study was composed of a total of 6,311 game phases from 187 sets in…

DOI: 10.18276/cej.2019.3-05 · ISSN: 2300-9705

Artykuł 2015

Impact of mergers and acquisitions on sport performance of football clubs in the highest professional league in Poland

Autorzy / redaktorzy: Szczepan Kościółek, Karolina Nessel

Publikacja nadrzędna: European Journal of Service Management

Mergers and acquisitions (M&As) in professional sports evoke strong emotions. Whereas for some economists (and club owners) they are just business operations aimed to improve sport and financial performance of organizations, the supporters often reject this proposition on the gro…

DOI: 10.18276/smt.2015.15-09 · ISSN: 1898-0511