Vol 25 issue 9 September 2025
Art # 199 pp. 1799–1805
Possible reasons for exercise dropout in fitness centres: Insights from active users
LEONARDO RATOLA1, EDUARDO CALEIRAS2, FILIPE VERÍSSIMO3, HÉLIO NETO4, DIOGO AVEIRO5, DANIELA ALMEIDA6, JOSÉ ALEIXO7, FRANCISCO CAMPOS8
1,2,3,4,6,7,8Polytechnic University of Coimbra, Coimbra, PORTUGAL
5University of Limerick, Limerick, IRELAND
8SPRINT - Sport Physical activity and health Research & INnovation cenTer, Polytechnic University of Coimbra, Coimbra, PORTUGAL
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09199
Art # 200 pp. 1806–1813
Smartwatches as tools for measuring biomechanical parameters in swimmers of different expertise levels
LUCAS MIYASATO1, DIORGINIS FERREIRA2, TATHIANE MARTINS3, TULIO BANJA4, SILVIA RIBEIRO SANTOS ARAUJO5, FABÍOLA BERTÚ6
1,2,6Physical Education Department, Federal University of Vale do São Francisco, PE, BRAZIL
3Houston SynchroStars, USA
4Institute of Physical Education and Sports, Federal University of Ceará, Fortaleza, CE, BRAZIL
5Sports Department, School of Physical Education, Physiotherapy, and Occupational Therapy, Federal University of Minas Gerais, MG, BRAZIL
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09200
Art # 201 pp. 1814–1821
Hydrogen-rich water supplementation exhibits dose- and age-dependent effects on delayed-onset muscle soreness in professional soccer players
JAKUB KREJČÍ1, MICHAL BOTEK2, SHIGEO OHTA3, KLÁRA BOTKOVÁ4, ANDREW J. MCKUNE5
1,2Department of Natural Sciences in Kinanthropology, Faculty of Physical Culture, Palacký University Olomouc, Olomouc, CZECHIA
3Department of Neurology Medicine, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN, and Department of Cell Biology, Graduate School of Medicine, Nippon Medical University, Tokyo, JAPAN
4Department of Adapted Physical Activities, Faculty of Physical Culture, Palacký University Olomouc, Olomouc, CZECHIA
5Faculty of Health, UC-Research Institute for Sport and Exercise, University of Canberra, Canberra, AUSTRALIA, and Discipline of Biokinetics, Exercise and Leisure Sciences, School of Health Sciences, University of KwaZulu-Natal, Durban, SOUTH AFRICA
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09201
Art # 202 pp. 1822–1830
Junior athletes’ emotional intelligence in the context of adaptability to changed conditions of learning and training activities
IRYNA BURLAKOVA1, LIYBOMYRA PILETSKA2, VICTORIA KORNIENKO3, MARYNA OKSIUTOVYCH4, TETIANA KONDES5, HALYNA OKHROMIY6, OLESIA DONETS7
1National University “Zaporizhzhia Polytechnic”, Zaporizhzhia, UKRAINE
2Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, UKRAINE
3,6Dnipro State University of Internal Affairs, Dnipro, UKRAINE
4,5Zhytomyr Polytechnic State University, Zhytomyr, UKRAINE
7Oles Honchar Dnipro National University, Dnipro, UKRAINE
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09202
Art # 203 pp. 1821–1829
Event satisfaction analysis in sports: A practical case of the Cycling Challenge Mallorca 2023
BERTA BENITO COLIO1, MIQUEL JOSEP MULA AMER2, EDUARDO GARCÍA-MARMOL3, MANEL VALCARCE-TORRENTE4, DANIEL DUCLOS-BASTÍAS5
1SER Research Group, Physical Activity and Sports Sciences Department, CESAG, Comillas Pontifical University, Palma de Mallorca, SPAIN.
2Physical Activity and Sports Sciences Department, CESAG, Comillas Pontifical University, Palma de Mallorca, SPAIN.
3Department of Physical Education and Sports, Faculty of Sciences, University of Granada, Granada, SPAIN.
4,5METIS Research Lab, Facultad de Negocios y Tecnología, Universidad Alfonso X el Sabio (UAX), Madrid, SPAIN.
5iGEO Group, School of Physical Education, Faculty of Philosophy and Education, Pontificia Universidad Católica de Valparaíso, Valparaíso, CHILE.
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09203
Art # 204 pp. 1830–1839
Reduced school dropout rates owing to targeted sports programs in France
THIERRY LONG1, AMELIE VOYNET2, ROMAIN STEIBEL3, SAHAND ALEBOYEH4, GILLES VIEILLE-MARCHISET5
1Université Côte d’Azur, LAPCOS, FRANCE
2,4,5Université de Strasbourg, E3S, FRANCE
3Agence pour l’Education par le Sport, APELS, FRANCE
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09204
Art # 205 pp. 1840–1849
Relationship between fundamental volleyball techniques and somatic indicators and types among volleyball players
MICHAŁ MACIEJEWSKI1, GABRIEL BOBULA2
1,2Faculty of Physical Culture Sciences, Medical College of Rzeszów University, University of Rzeszów, Rzeszów, POLAND
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09205
Art # 206 pp. 1850–1859
Technical and tactical determinants of serve success and rally outcomes in U14 Taiwanese junior tennis players
CHIA-HAO LI1, CHEN-FU HUANG2, JIA-HAO CHANG3
1,2,3Department of Physical Education and Sports Sciences, National Taiwan Normal University, Taipei, TAIWAN
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09206
Art # 207 pp. 1860–1869
Possessions in girls’ high school and international basketball
HAN YUN CHIANG1, PETER O’DONOGHUE2, GEMMA ROBINSON3
1National Experimental High School at Hsinchu Science Park, Hsinchu City, TAIWAN
2Department of Sports Sciences, Reykjavik University, Reykjavik, ICELAND
3School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, UK
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09207
Art # 208 pp. 1870–1878
Acute effects of high-intensity interval exercise combined with different blood flow restrictions on hemodynamic and muscle oxygenation responses in junior rowers
SUPATTRA SILAPABANLENG1, TOSSAPORN YIMLAMAI2
1,2Faculty of Sport Science, Chulalongkorn University, THAILAND
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09208
Art # 209 pp. 1879–1894
Validity and reliability of My Jump 2 and My Jump 3 versus the K-Deltas Force Platform for vertical jump assessment in college students with diverse athletic backgrounds
ARISTARCHOS TSAOUSIDIS1, PAVLOS PAVLIDIS2, CHRISTOS KARAVAS3, ATHANASIOS MANDROUKAS4, ANDREAS STAFYLIDIS5
1,2,3,4,5School of Health & Sport Sciences, Mediterranean College, Thessaloniki, GREECE – In Partnership with University of Derby, Derby, UK
3Department of Physical Education and Sports Sciences, Aristotle University of Thessaloniki, GREECE
4,5Laboratory of Evaluation of Human Biological Performance, Aristotle University of Thessaloniki, GREECE
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09209
Art # 210 pp. 1895–1900
Effect of tailwind conditions on step length and step frequency in sprinting: An experimental approach
KOICHI NAKAYAMA1, MIZUKI MAKINO2, YUKA ANDO3, SHOTA ENOKI4, KAZUMA SHOJI5, YOSHIAKI MANABE6
1,5,6School of Health and Sport Sciences, Chukyo University, Aichi, JAPAN
2Japan Institute of Sports Sciences, Tokyo, JAPAN
3Institute of Sports Science and Environmental Physiology, Wakayama Medical University, JAPAN
4Faculty of Integrated Arts and Sciences, Tokushima University, JAPAN
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09210
Art # 211 pp. 1901–1909
Construction of a pregnancy exercise evaluation scale based on the modified Delphi method
TANG YITING1, ZHU XIAOFENG2, WEN ZIWANG3
1,3School of Physical Education, Southwest Petroleum University, Chengdu, CHINA
2Child Development Research Institute, Jiaxing University, Zhejiang, CHINA
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09211
Art # 212 pp. 1910–1918
Running performance across weekly microcycles in amateur soccer players
GKAIDATZAKIS TRIANTAFILLOS1, AXETI GEORGIA2, KOMSIS GEORGIOS3, PAPADOPOULOU ZACHAROULA4, KOMSIS THEOCHARIS5, GISSIS IOANNIS6
1,2,3,4,5,6Department of Physical Education and Sport Sciences at Serres, Aristotle University of Thessaloniki, GREECE
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09212
Art # 213 pp. 1919–1930
Comparison of resistance training frequencies (2, 3, and 4 days/week) on strength, body composition, and anthropometric measures in untrained young men: An equal-set, intensity-matched randomized controlled trial
TAVARINTORN RUKBUMRUNG1, MANINTHORN RUGBUMRUNG2*, ADISON THURAYOT3, SITTIWIT IMPANYA4, PICHET CHAILERT5, PATCHARIN TANGCHAISURIYA6
1Department of Physical Education, Faculty of Education, Prince of Songkhla University, Pattani Campus, THAILAND
2,3,4,5,6Sport and Exercise Science Program, School of Science, University of Phayao, THAILAND
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09213
Art # 214 pp. 1931–1937
Heading in youth soccer: Quantifying exposure and head injury risk in male and female U16 players
GIORGOS PAFIS1, VASILIKI J. MALLIOU2, KATERINA DASKALAKI3, ATHANASIOS MOUSTAKIDIS4, IOANNIS ISPIRLIDIS5, MINAS ISPIRLIDIS6, CHRISTOS KOKKOTIS7, PARASKEVI MALLIOU8
1,3,4,5,6,7,8Department of Physical Education and Sport Science, School of Physical Education, Sport Science and Occupational Therapy, Democritus University of Thrace, GREECE
2Department of Physical Education and Sport Science, National and Kapodistrian University of Athens, GREECE
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09214
Art # 215 pp. 1938–1946
Effect of an 8-Week cross-country skiing program on physical fitness levels in children aged 8–12 years
MEHMET EMİN YELKEN1, ADEM POYRAZ2
1Ministry of Youth and Sports, Provincial Directorate of Youth and Sports, CANKIRI, TÜRKİYE
2Faculty of Sport Sciences, University of Afyon Kocatepe, AFYONKARAHISAR, TÜRKİYE
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09215
Art # 216 pp. 1947–1952
Saliva diagnostics of skiers during competitions
ANDREW MARTUSEVICH1, ASYLBEK ESHIEV2, ANDREY GRYAZNYKH3, ZAMIRBEK BOZHONOV4, AMANAI AKMATOVA5, REGINA KOVYLINA6, ANDREY LABUNETS7, VLADISLAV BAKAYEV8, MARIYA LAZAROVA9, OKSANA KIREEVA10, ROMAN EDIGAREV11, ROMAN ISAEV12, MAXIM ANISIMOV13, ELENA KONOPLEVA14
1National Research Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, RUSSIA
2,4,5Osh State University, Osh, KYRGYZSTAN
3Yugra State University, Khanty-Mansiysk, RUSSIA
6Semey Medical University, NCJSC, Semey, KAZAKHSTAN
7Astana Medical University, NCJSC, Astana, KAZAKHSTAN
8,11Peter the Great St. Petersburg Polytechnic University, St. Petersburg, RUSSIA
9Faculty of Public Health, Medical University – Sofia, Sofia, BULGARIA
10Altai State University, Barnaul, RUSSIA
12Siberian Federal University, Krasnoyarsk, RUSSIA
13St. Petersburg State Agrarian University, St. Petersburg, RUSSIA
14Reshetnev Siberian State University of Science and Technology, Krasnoyarsk, RUSSIA
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09216
Art # 217 pp. 1953–1959
Biomechanical analysis of knee flexion and saddle height adjustment on knee pain in amateur cyclists
MAXIMILIANO MARTÍNEZ1, MIGUEL A. PÉREZ1*
1Strength, Performance & Body Composition Lab, Facultad de Ciencias de la Visa, Carrera de Kinesiología, Universidad Viña del Mar, Viña del Mar, CHILE
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09217
Art # 218 pp. 1960–1965
Return to Play after symptoms of inability to takeoff in pole vaulters: A case series study
SHOTA ENOKI1*, KOICHI NAKAYAMA2, YUI AOYAGI3, RYOICHI MURAYAMA4
1Faculty of Integrated Arts and Sciences, Tokushima University, JAPAN
1,2,3,4Specified Nonprofit Corporation BOUTAKA
2School of Health and Sport Sciences, Chukyo University, JAPAN
3National Institute of Technology, Suzuka College, JAPAN
4Faculty of Physical Education, International Budo University, JAPAN
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09218
Art # 219 pp. 1966–1973
Impact of intermittent hypoxic training on hematological, biochemical, and functional parameters in Qazaq Kuresi Wrestlers: A pilot study
MADINA BAURZHAN1, ALINA TEN2, AIBOL KULBAYEV3, MIKHAIL SHEPETYUK4, YERBOL MYRZABOSSYNOV5, YELDAR NASSIYEV6, OLEG KOMAROV7, ANNA ZHIDOVINOVA8, JANAT NURTAZINA9, KARLYGASH ABSATTAROVA10
1,2,3,4,5,9Academy of Physical Education and Mass Sports, Astana, KAZAKHSTAN
1,10Scientific Research Department, Research Institute of Balneology and Medical Rehabilitation, Ministry of Health of the Republic of Kazakhstan, Astana, KAZAKHSTAN
4,6,8Kazakh Academy of Sport and Tourism, Almaty, KAZAKHSTAN
5Ministry of Tourism and Sports of the Republic of Kazakhstan, Astana, KAZAKHSTAN
7Аkhmet Baitursynuly Kostanay Regional University, Kostanay, KAZAKHSTAN
10Kazakh National Medical University named after S.D. Asfendiyarov, Almaty, KAZAKHSTAN
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09219
Art # 220 pp. 1974–1984
Conservative treatment for recalcitrant Achilles tendinopathy in a soccer player: Case report and review of the literature
DOMIZIANO TARANTINO1*, DAVID PERPETUINI2, ANGELO DI IORIO3, GIOVANNI BARASSI4, EMANUELE FRANCESCO RUSSO5, EDOARDO DI IORIO6, SERENA FILONI7, RAFFAELLO PELLEGRINO8
1Department of Public Health, University of Naples Federico II, Naples, ITALY
2Department of Engineering and Geology, University “G. d’Annunzio” of Chieti-Pescara, Pescara, ITALY
3Department of Innovative Technologies in Medicine & Dentistry, University “G. d’Annunzio”, Chieti, ITALY
4Center for Physiotherapy, Rehabilitation and Re-education – CeFiRR – seat of Chieti, ITALY
5Padre Pio Foundation and Rehabilitation Centers, San Giovanni Rotondo, ITALY
6University of Bologna, Bologna, ITALY
7I.R.R.C.S. Casa Sollievo della Sofferenza, San Giovanni Rotondo (FG), ITALY
8Department of Medicine and Surgery, LUM University, Casamassima, ITALY
Published online: September 30, 2025
Accepted for publication: September 15, 2025
DOI:10.7752/jpes.2025.09220