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A set of postural stabilization exercises to increase the physical fitness and functional state of student chess players

Azizbek RashidovUzbek State university of physical education and sportKomiljan YarashevUzbek State university of physical education and sportAbdimalik ShopulatovUzbek State university of physical education and sportElbek JumanovUzbek State university of physical education and sportSarvar AdilovUzbek State university of physical education and sportDilshod BakhtiyorovUzbek State university of physical education and sportNigora AbdikadirovaUzbek State university of physical education and sportShukhrat DjumakulovTashkent University of Economics and PedagogyAzizbek KuralbayevNukus branch of Uzbek State university of physical education and sportNauriz MambetiyarovNukus branch of Uzbek State university of physical education and sport

2026en

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Litsenziya: cc-by-nc-nd

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Annotatsiya

Introduction and Objective: The aim of the study was to evaluate the effectiveness of a 15-week training program for student chess players that utilized a set of postural stabilization exercises to improve their physical fitness, chess preparedness, and functional state. Methods: The study involved 90 student chess players, who were divided into an experimental group and a control group of 45 people each. The experimental group trained according to the developed program, which included postural stabilization exercises, tasks on a balance cushion, coordination-strength exercises, Uzbek national active games, and special chess assignments; the control group continued with the traditional program. Results: The content validity of the program was confirmed using Aiken's V: values for the 12 assessed aspects ranged from 0.81 to 0.94, with a mean of 0.89. Confirmatory factor analysis confirmed the three-factor structure of the assessment tool: physical fitness, chess preparedness, and functional state; the model fit indices were acceptable: χ2/df = 1.25; CFI = 0.984; TLI = 0.975; RMSEA = 0.0527. The results of a mixed ANOVA revealed a statistically significant Time × Group interaction for physical fitness (F = 30.6; p < 0.001; η2G = 0.085), chess preparedness (F = 37.0; p < 0.001; η2G = 0.090), and functional state (F = 30.1; p < 0.001; η2G = 0.082). MANCOVA also confirmed the comprehensive effect of the program on the combination of the three gains (Pillai's Trace = 0.845; F = 156.3; p < 0.001). Conclusions: The findings indicate that the developed program contributes to a significant improvement in the physical, chess, and functional preparedness of student chess players and can be recommended for implementation in the training process. η2G = 0.082). MANCOVA also confirmed the program's comprehensive effect across a combination of three increases (Pillai's Trace = 0.845; F = 156.3; p < 0.001).

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DOI: 10.47197/retos.v82.119488

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