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Hypothalamic-pituitary-adrenal and -gonadal axis function after exercise in sedentary and endurance trained elderly males

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Abstract

The aim of this study was to investigate hypothalamic-pituitary-adrenal (HPAA) and -gonadal (HPGA) axis responses to post-exercise (30 min at 65% V˙O2max) combined corticotrophin, luteinizing hormone and thyrotrophin releasing hormone challenge (0.7 μg/kg body mass) in elderly distance runners (DR; age: 68.9 ± 4.2 year) and sedentary individuals (SI; age: 69.1 ± 2.6 year). Plasma cortisol, growth hormone, prolactin, luteinizing hormone, follicle stimulating hormone and total testosterone (T) concentrations pre- and post-exercise as well as in response to stimulation did not differ between DR and SI. Plasma adrenocorticotropic hormone returned to pre-exercise level in DR 60 min and in SI 90 min post-stimulation. Free T was lower in DR at all time points. Our results do not support the notion of altered releasing hormone-stimulable HPAA and HPGA synthesis-secretion capacity in elderly males after endurance training.

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Authors and Affiliations

  1. Institute of Sports Games, German Sport University, Carl-Diem-Weg 6, D-50933 Cologne, Germany, , , , , , DE

    Heiko K. Strüder & Karl Weber

  2. Institute of Cardiology and Sports Medicine, German Sport University, Carl-Diem-Weg 6, D-50933 Cologne, Germany, , , , , , DE

    Wildor Hollmann, Petra Platen & Richard Rost

  3. Department of Pathophysiology and Sports Medicine, Ruprecht-Karls-University, D-69117 Heidelberg, Germany, , , , , , DE

    Helmut Weicker

Authors
  1. Heiko K. Strüder
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  2. Wildor Hollmann
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  3. Petra Platen
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  4. Richard Rost
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  5. Helmut Weicker
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  6. Karl Weber
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Accepted: 18 November 1997

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Strüder, H., Hollmann, W., Platen, P. et al. Hypothalamic-pituitary-adrenal and -gonadal axis function after exercise in sedentary and endurance trained elderly males. Eur J Appl Physiol 77, 285–288 (1998). https://doi.org/10.1007/s004210050334

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  • DOI: https://doi.org/10.1007/s004210050334

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