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- MakaleAçık Erişim2026Effects of inspiratory muscle training combined with circadian rhythm-based running programs in male children football players
Konca, Erkan; Yilmaz, Coşkun; Saç, Ajlan; Dal, Suzan; Halmatov, Medera; Akıllıoğlu, Osman; Bayrakdaroğlu, Serdar
Background: Inspiratory muscle training (IMT) has been suggested to improve respiratory function and physical performance; however, evidence in preadolescent athletes remains limited. This study examined whether adding IMT to circadian rhythm–based running programs would enhance functional and pulmonary outcomes in preadolescent male football players with at least two years of regular football training experience. Methods: Seventy-five boys aged 10–12 years were categorized into morning-, intermediate-, or evening-type groups based on Morningness–Eveningness Scale for Children (MESC) scores, and each chronotype group was assigned to its corresponding running protocol with or without IMT. Over six weeks, participants completed circadian rhythm–based running sessions, and IMT groups performed graded-load IMT. Pre- and post-intervention assessments included agility, six-minute walk test (6MWT), pulmonary function (FVC, FEV₁, FEV₁/FVC), and respiratory muscle strength (MIP, MEP). Results: Agility and 6MWT performance improved most in the morning running + IMT group compared with evening running + IMT and running-only groups (p < 0.001). FVC and FEV₁ increased in both IMT groups, though gains were modest and smaller in the running-only group. Improvements in MIP and MEP did not differ significantly between groups. Conclusion: Combining IMT with morning running produced the greatest improvements in agility and functional performance, while pulmonary gains were moderate and respiratory muscle strength changes were comparable across groups. IMT may provide additional benefit when integrated into chronotype-aligned morning training in preadolescent football players. Trial registration: Effects of Inspiratory Muscle Training Combined with Circadian Rhythm-based Running Programs in Children Football Players, ClinicalTrials.gov: NCT06817486, Date: 27-01-2025.
- MakaleYayıncıda açık erişim2026The mediating role of mental fatigue awareness in the relationship between perceived stress and psychological well-being among combat athletes
Yilmaz, Taner; Öz, Faik; Gül, Oguzhan; Dal, Suzan; Kara, Tayfun; Akkoç, Orkun; Küçük, Hamza; Fort, Patricia Roxana; Çitozi, Robert; Kadi, Mustafa Nurullah
Background Combat athletes face unique psychological demands, and stress may influence both their cognitive experiences and psychological well-being. This study aimed to examine the mediating role of mental fatigue awareness in the relationship between perceived stress and psychological well-being among combat athletes, thereby contributing to a clearer understanding of a potential cognitive mechanism linking stress to well-being in this population.Methods A total of 303 combat athletes voluntarily participated. Participants completed the Perceived Stress Scale, Mental Fatigue Awareness Scale, and Psychological Well-being Scale. Statistical analyses assessed the direct effects of perceived stress on psychological well-being, the effect of stress on mental fatigue awareness, and the potential mediating role of mental fatigue awareness.Results Perceived stress significantly increased mental fatigue awareness (b = 0.732, SE = 0.064, beta = 0.549, p = 0.001) and directly decreased psychological well-being (b = - 0.488, SE = 0.166, beta = - 0.191, p = 0.004). Mental fatigue awareness negatively affected psychological well-being (b = - 0.374, SE = 0.124, beta = - 0.195, p = 0.003) and partially mediated the relationship between stress and well-being (indirect effect: b = - 0.274, SE = 0.115, beta = - 0.107, p = 0.003; 95% CI = - 0.504 to - 0.049).Conclusion Perceived stress was associated with psychological well-being both directly and indirectly through increased mental fatigue awareness. These findings suggest that mental fatigue awareness may represent a relevant cognitive pathway linking stress perceptions to well-being. Accordingly, stress management and strategies aimed at regulating mental fatigue may be considered as potentially beneficial components in efforts to support psychological well-being among combat athletes.
- MakaleAçık Erişim2026Effects of wrestling training on psychological well-being, anxiety, and resilience in adolescent boys
Özkan, Ridvan; Yilmaz, Coskun; Uzun, Recep Nur; Bayrakdaroglu, Serdar; Akar, Ozge Orhan; Öz, Faik; Çiçekli, Atif; Çiçekli, Aylin; Dal, Suzan; Ursu, Vasile Emil
Background Wrestling is a physically and mentally demanding combat sport that requires discipline, focus, and emotional control. Although its physiological effects are well documented, its psychological benefits in adolescents remain underexplored. This study aimed to examine whether a short-term, non-competitive wrestling program could enhance psychological well-being, reduce sport anxiety, and strengthen resilience in adolescent boys. Methods Thirty sedentary male adolescents (aged 12-15 years) were randomly assigned to a wrestling training group (n = 15) or a control group (n = 15). The intervention consisted of six weeks of supervised wrestling sessions performed three times per week. Psychological well-being (WHO-5), sport anxiety (SAS-2), and resilience (BPRS) were assessed before and after the intervention using the validated Turkish versions of the scales. Two-way repeated-measures ANOVA was used to analyze group & times; time interactions. Results Participants in the wrestling group demonstrated significant improvements in well-being (p < 0.001) and resilience (p < 0.001), alongside marked reductions in total sport anxiety and its subdimensions (p < 0.001), compared with the control group. All effects were large (eta p & sup2; = 0.52-0.94). Conclusion A structured six-week wrestling program produced meaningful psychological benefits in adolescent boys. Regular participation in non-competitive wrestling may serve as an effective approach to promote well-being, emotional stability, and adaptive coping skills during early adolescence, supporting the preventive and developmental role of combat sports in youth mental health.