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Relationship between Anthropometric, Physical and Hormonal Parameters among Pre-Pubertal Handball Players

Author

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  • Alexandra Cselkó

    (Institute of Sport Sciences and Physical Education, University of Pécs, H-7624 Pécs, Hungary
    Doctoral School of Health Sciences, University of Pécs, H-7621 Pécs, Hungary)

  • Edina Ivett Szabó

    (Institute of Sport Sciences and Physical Education, University of Pécs, H-7624 Pécs, Hungary
    Department of Anatomy, Medical School, University of Pécs, H-7624 Pécs, Hungary)

  • Mark Váczi

    (Institute of Sport Sciences and Physical Education, University of Pécs, H-7624 Pécs, Hungary)

  • Tamas Kőszegi

    (Department of Laboratory Medicine, Medical School, University of Pécs, H-7624 Pécs, Hungary
    János Szentágothai Research Center, University of Pécs, H-7624 Pécs, Hungary)

  • Eva Tékus

    (Institute of Sport Sciences and Physical Education, University of Pécs, H-7624 Pécs, Hungary
    Sports Medicine Center, Medical School, University of Pécs, H-7632 Pécs, Hungary
    Marta Wilhelm and Eva Tékus contributed equally to this work.)

  • Marta Wilhelm

    (Institute of Sport Sciences and Physical Education, University of Pécs, H-7624 Pécs, Hungary
    Marta Wilhelm and Eva Tékus contributed equally to this work.)

Abstract

Background: The aims of our study were to investigate the changes in anthropometric and physical parameters and fasting hormonal levels among pre-pubertal female handball players (n = 14, age: 11.53 ± 0.58 yrs, height: 153.36 ± 5.12 cm, body mass: 43.59 ± 6.14 kg) in the pre-season period following 8 weeks of handball training, and to analyze the contribution of hormones, physical performance and anthropometric parameters. Methods: Prior to and immediately following the training period, several anthropometric, strength, and cardiorespiratory variables, including fasting hormonal concentrations (plasma cortisol, estradiol, testosterone and growth hormones) were measured. Athletes performed concurrent resistance and aerobic exercises, including game-based trainings during the 8-week training period. Results: Significant elevations were found in all strength parameters (maximal handgrip strength dominant (D): 16.40%, p < 0.01; non-dominant (ND): 25.15%, p < 0.05; maximal concentric (MVC) torque of quadriceps D: 13.82%, p < 0.05; ND: 12.61%, p < 0.05; MVC torque of hamstring D: 12.14%, p < 0.01; ND: 12.44%, p < 0.01), including plasma cortisol levels (C, 34.30%, p < 0.05) and peak respiratory quotient (5.24%, p < 0.05). Body composition and maximal oxygen uptake (VO 2max ) remained unchanged. Percentage changes in thigh (r = 0.316, p < 0.05), hand (r = 0.361, p < 0.05), and hip circumference (r = 0.297, p < 0.05) correlated with C changes. Percentage changes in plasma growth hormone levels (GH) contributed to the magnitude of gains in handgrip strength (r = 0.553, p < 0.05). Percentage changes in maximal exercise pulmonary ventilation (MVE) correlated with elevated C (r = −0.592, p < 0.05). Discussion: Changes in anthropometric variables and fasting hormone levels (estradiol, testosterone and cortisol) were poor indicators of developing VO 2max and strength during pre-pubertal years. Physical adaptation may not be explained in consideration of the athletes’ hormonal or anthropometric characteristics. Conclusion: Gradually increased training volume followed by a summer break should be applied to youth handball, considering the anti-hypertrophic responses and the inhibitory effect of elevating C on pre-pubertal maturation.

Suggested Citation

  • Alexandra Cselkó & Edina Ivett Szabó & Mark Váczi & Tamas Kőszegi & Eva Tékus & Marta Wilhelm, 2021. "Relationship between Anthropometric, Physical and Hormonal Parameters among Pre-Pubertal Handball Players," IJERPH, MDPI, vol. 18(19), pages 1-13, September.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:19:p:9977-:d:640892
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    References listed on IDEAS

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    1. Paulo Francisco de Almeida-Neto & Paulo Moreira Silva Dantas & Vanessa Carla Monteiro Pinto & Tatianny de Macêdo Cesário & Nathália Monastirski Ribeiro Campos & Eduardo Estevan Santana & Dihogo Gama d, 2020. "Biological Maturation and Hormonal Markers, Relationship to Neuromotor Performance in Female Children," IJERPH, MDPI, vol. 17(9), pages 1-13, May.
    2. Herman E. Daly, 2008. "Growth and Development: Critique of a Credo," Population and Development Review, The Population Council, Inc., vol. 34(3), pages 511-518, September.
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    Cited by:

    1. Ewa Latour & Jarosław Arlet & Emilia Latour & Marianna Latour & Piotr Basta & Anna Skarpańska-Stejnborn, 2022. "Stressor-Induced Temporal Cortisol Deficiency as a Primary Trigger for Adaptation to Stress," IJERPH, MDPI, vol. 19(9), pages 1-14, May.

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