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Zakres wyszukiwania: Wszystkie publikacje
Liczba wyników dla „Jastrzębski”: 4.

Artykuł 2015

Time Motion Differences between Romanian and Polish High Level Young Soccer Players during 6 vs. 6 Small Sided Games as an Effect of Training Program

Autorzy / redaktorzy: Paul Dragos, Gheorghe Dumitrescu, Zbigniew Jastrzębski, Łukasz Mrozik, Łukasz Radzimiński, Arkadiusz Stefaniak, Piotr Stępień

Publikacja nadrzędna: Central European Journal of Sport Sciences and Medicine

The purpose of this study was to present a time motion differences between Romanian and Polish young soccer players during 6 vs 6 small sided games. Young male football players from Schools of Sports Masters in Oradea (Romania) and Łódź (Poland) participated in the study. During …

ISSN: 2300-9705

Artykuł 2014

The Angiotensin Converting Enzyme Gene I/D Polymorphism in Polish Rowers

Autorzy / redaktorzy: Zbigniew Jastrzębski, Marek Kolbowicz, Agata Leońska-Duniec, Tomasz Tomiak

Publikacja nadrzędna: Central European Journal of Sport Sciences and Medicine

Angiotensin converting enzyme gene (ACE) is the most frequently investigated genetic marker in the context of genetic conditioning of athletic predispositions. The product of the gene is a key component of the renin-angiotensin system (RAS) and the kallikrein-kinin system (KKS), …

ISSN: 2300-9705

Artykuł 2014

Influence of Different Types of Surfaces on the Results of Running Speed Tests in Young Soccer Players

Autorzy / redaktorzy: Marta Bichowska, Robert Dargiewicz, Zbigniew Jastrzębski, Paweł Rompa

Publikacja nadrzędna: Central European Journal of Sport Sciences and Medicine

The main purpose of this study was to determine the influence of different types of surfaces on the sprint test results. 33 male football players from two age categories - U15 and U18 - performed sprint tests (7 distances between 5 and 30m) and a 150m shuttle run test on three ty…

ISSN: 2300-9705