Keywords
physical fitness
health
athletic performance
sports
How to Cite
Abstract
Introduction: Physical fitness is an essential factor for sports performance that provides, in addition to optimizing performance during training and competitions, the prevention of injuries, being very important in the process of human growth and development.
Objective: To examine the effects of 21 weeks of volleyball physical-technical training on the physical fitness of adolescent athletes from a volleyball team (youth category) in the region of Joinville/SC.
Methods: Observational, longitudinal study, with a convenience sample, which included the participation of 14 male athletes from the base team of the Joinville Volleyball Association (14-16 years old). The following were analyzed: explosive force of the lower limbs (LL); localized muscle endurance; flexibility, body adiposity index (BAI) and fat percentage (%F). The paired Student's t-test was used to compare the effects before and after the training period (21 weeks). The level of significance was p<0.05.
Results: There was a significant difference in the IAC, which was 19.2±3.1% before 21 weeks of training and 17.6±2.4% (p=0.0007) with a small effect size (d=0.57; 95%CI = -0.21 – 1.37). There was also a significant difference in explosive strength of the lower limbs (p=0.01) with large effect size (d=0.82; 95%CI=0.01 – 1.63); and flexibility (p=0.00) with mean inverse effect size (d = -0.89; 95%CI = -1.70 – -0.07).
Conclusion: These findings showed that sports practice contributes to improving physical fitness capabilities in adolescent amateur athletes and indicate the need for specialized follow-up, aiming to improve performance during training and championships, as well as to promote healthy growth/development.
References
Caspersen CJ, Powell KE, Christenson GM. Physical activity, exercise, and physical fitness: definitions and distinctions for health-related research. Public Health Reports. 1985;100(2): 126–131.
Pate RR. A New Definition of Youth Fitness. The Physician and Sportsmedicine. 1983;11(4): 77–83. https://doi.org/10.1080/00913847.1983.11708509.
Morales PJC, Jesus EED de, Sierpinski TC, Brasilino FF. Analysis of Physical Fitness and Anthropometry of Students in School Physical Education. 2021; https://doi.org/10.5281/ZENODO.5517365.
Brasilino FF, Jesus EED de, Moral PÁV, Morales PJC. Composición corporal de los escolares: Análisis comparativo. SPORT TK-Revista EuroAmericana de Ciencias del Deporte. 2024; 7–7. https://doi.org/10.6018/sportk.636081.
Jesus EEDD, Bernardi ITDB, Brasilino FF, Rosa A, Costa ABHDC, Morales PJC. Relação entre Aptidão Física e Composição Corporal dos Atletas Adolescentes de Voleibol. Fiep Bulletin - online. 2025;95(1): e7093. https://doi.org/10.16887/jmc9wr59.
Braga P, Porto FE. O perfil somatotipo de atletas de voleibol masculino (infanto-juvenil e adulto) e as relações com a aptidão física: uma revisão sistemática. Research, Society and Development. 2022;11(7): e10711729752. https://doi.org/10.33448/rsd-v11i7.29752.
Nahas MV. Atividade Física, Saúde & Qualidade de Vida Conceitos e Sugestões para um Estilo de Vida Ativo.. 7th ed. Florianópolis: Editor Markus Vinicius Nahas; 2017.
Bergman RN, Stefanovski D, Buchanan TA, Sumner AE, Reynolds JC, Sebring NG, et al. A Better Index of Body Adiposity. Obesity. 2011;19(5): 1083–1089. https://doi.org/10.1038/oby.2011.38.
Lohman TG. The Use of Skinfold to Estimate Body Fatness on Children and Youth. Journal of Physical Education, Recreation & Dance. 1987;58(9): 98–103. https://doi.org/10.1080/07303084.1987.10604383.
Lopes SC, De Jesus EED, Morales PJC, Brasilino FF. Análise do índice de massa corporal (IMC) e índice de adiposidade corporal (IAC) em crianças de 6 a 11 anos do ensino fundamental i: um estudo nas escolas municipais de uma cidade em Santa Catarina. Brazilian Journal of Health Review. 2023;6(5): 22489–22499. https://doi.org/10.34119/bjhrv6n5-279.
Knapik JJ. The importance of physical fitness for injury prevention: part 1. Journal of special operations medicine: a peer reviewed journal for SOF medical professionals. 2015;15(1): 123–127.
Knapik JJ. The Importance of Physical Fitness for Injury Prevention: Part 2. Journal of special operations medicine: a peer reviewed journal for SOF medical professionals. 2015;15(2): 112–115. https://doi.org/10.55460/1IEC-921I.
Speer KP. Injury Prevention and Rehabilitation for Active Older Adults. Campaing, Il: Human Kinetics; 2005.
Gaya AR, Gaya ACA, Pedretti A, Mello JB. Projeto Esporte Brasil, PROESP-Br : manual de medidas, testes e avaliações. Porto Alegre-RS, Brasil: UFRGS/ESEFID; 2021. https://lume.ufrgs.br/handle/10183/217804 [Accessed 24th March 2025].
Moreira RB, Bergamann GG, Lemos AT de, Cardoso LT e, Nina GLD, Machado DT, et al. TESTE DE SENTAR E ALCANÇAR SEM BANCO COMO ALTERNATIVA PARA A MEDIDA DE FLEXIBILIDADE DE CRIANÇAS E ADOLESCENTES. Revista Brasileira de Atividade Física & Saúde. 2009;14(3): 190–196. https://doi.org/10.12820/rbafs.v.14n3p190-196.
Cohen J. Statistical Power Analysis for the Behavioral Sciences. Hillsdale, N.J: Routledge; 1988.
Podstawski R, Bukowska JM, Borysławski K, Biernat E, Grodź D, Ihasz F, et al. Anthropometric but not motor characteristics of young volleyball players were improved after a one-week-long intense training sports camp. Scientific Reports. 2025;15(1): 2835. https://doi.org/10.1038/s41598-025-85441-0.
Aghajani R, Department of Physical Education, Guilan Science and Research Branch, Islamic Azad University, Hojjati Z, Department of Physical Education, Rasht Branch, Islamic Azad University, Elmiyeh A, Department of Physical Education, Rasht Branch, Islamic Azad University. The Effects of Plyometric and Resistance Training on Explosive Power and Strength of Young Male Volleyball Players. Annals of Applied Sport Science. 2014;2(1): 45–52. https://doi.org/10.18869/acadpub.aassjournal.2.1.45.
Sieroń A, Stachoń A, Pietraszewska J. Changes in Body Composition and Motor Fitness of Young Female Volleyball Players in an Annual Training Cycle. International Journal of Environmental Research and Public Health. 2023;20(3): 2473. https://doi.org/10.3390/ijerph20032473.
Patel SH, Azzam PN. Characterization of N200 and P300: Selected Studies of the Event-Related Potential. International Journal of Medical Sciences. 2005;2(4): 147–154.
Tozetto AVB, Milistetd M, Medeiros TE, Ignachewski WL. Desempenho de jovens atletas sobre as capacidades físicas, flexibilidade, força e agilidade. Cinergis. 2012;13(2). https://doi.org/10.17058/cinergis.v13i2.2937.
Gaya A, Silva G. Projeto Esporte Brasil, PROESP-Br: Manual de Aplicação de Medidas e Testes, Normas e Critérios de Avaliação. Porto Alegre, RS: UFRGS/ESEFID; 2007. http://bbheart.com.br/MANUAL%20DE%20APLICA%C3%87%C3%83O%20PROESP.pdf [Accessed 30th April 2025].
Saeterbakken AH, Stien N, Andersen V, Scott S, Cumming KT, Behm DG, et al. The Effects of Trunk Muscle Training on Physical Fitness and Sport-Specific Performance in Young and Adult Athletes: A Systematic Review and Meta-Analysis. Sports Medicine. 2022;52(7): 1599–1622. https://doi.org/10.1007/s40279-021-01637-0.
Broglio LP, Gonelli PRG, Costa CDO, Sajorato TDC, Massarutto V, Cesar MDC. Volleyball as an exercise program for overweight and obese female adolescents. Revista Brasileira de Medicina do Esporte. 2021;27(6): 545–548. https://doi.org/10.1590/1517-869220212706169680.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright (c) 2025 Journal of Physical Education