Motivation of Marathon Runners in Poland

by Starzak Joanna, Sas-Nowosielski Krzysztof
Published 2019-12-01

Attitudes Toward Doping among Polish Athletes Measured with the Polish Version of Petroczi’s Performance Enhancement Attitude Scale

by Sas-Nowosielski Krzysztof, Budzisz Aleksandra
Published 2018-06-01

Use of Mobile Fitness-Related Applications and Active Video Games in High-School Youth

by Sas-Nowosielski Krzysztof, Szopa Sylwia, Kowalczyk Agnieszka
Published 2016-09-01

Applying the Health Belief Model in Explaining the Stages of Exercise Change in Older Adults

by Sas-Nowosielski Krzysztof, Hadzik Andrzej, Górna Joanna, Grabara Małgorzata
Published 2016-12-01