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European Journal of Applied Physiology

, Volume 117, Issue 7, pp 1349–1357 | Cite as

The presence of symptoms of testosterone deficiency in the exercise-hypogonadal male condition and the role of nutrition

  • David R. Hooper
  • William J. Kraemer
  • Catherine Saenz
  • Kevin E. Schill
  • Brian C. Focht
  • Jeff S. Volek
  • Carl M. Maresh
Original Article

Abstract

Purpose

High volumes of aerobic exercise have been associated with reduced testosterone (T), known as the exercise-hypogonadal male condition (EHMC). Although the presence of low T has been identified, few studies have assessed the presence of androgen-deficient symptoms. The purpose of this investigation is to assess men exhibiting EHMC and evaluate their hypothalamic–pituitary–gonadal axis, the presence of hypogonadal symptoms, and also investigate a possible contribution of inadequate nutrition to the condition.

Methods

A cross-sectional design compared 9 long-distance runners exhibiting EHMC to 8 non-active controls. Comparisons included serum T, luteinizing hormone (LH), follicle-stimulating hormone, and cortisol, the Aging Male Symptoms (AMS) questionnaire score, bone mineral density (BMD), and a food frequency questionnaire.

Results

Mean T was significantly reduced in the EHMC group (EHMC 9.2 nmol L−1 vs. CONT 16.2 nmol L−1). The EHMC group demonstrated significantly higher AMS scores (EHMC 27.1 ± 7.3 vs. CONT 19.7 ± 2.5). There were no differences in bone density, although 3 cases of osteopenia were noted for EHMC in the lumbar spine, 1 in the right femur, and 1 in the radius. Energy availability was significantly reduced in EHMC (EHMC 27.2 ± 12.7 vs. CONT 45.4 ± 18.2 kcal d FFM−1).

Conclusions

Men exhibiting EHMC do appear to present with symptoms associated with androgen deficiency. For the most part, these symptoms are limited to those reported on the AMS questionnaire, although there are also some cases of clinically low BMD. It is possible that inadequate energy intake is contributing to this condition.

Keywords

Low testosterone Exercise-hypogonadal male condition Hypogonadism Energy balance 

Abbreviations

T

Testosterone

LH

Luteinizing hormone

FSH

Follicle-stimulating hormone

C

Cortisol

WADA

World Anti-Doping Agency

RED-S

Relative energy deficiency in sport

EHMC

Exercise-hypogonadal male condition

CONT

Control

USG

Urine specific gravity

DEXA

Dual-energy X-ray absorptiometry

FFQ

Food frequency questionnaire

AMS

Aging male symptom questionnaire

EA

Energy availability

ELISA

Enzyme-linked immunosorbent assay

Notes

Acknowledgements

We thank the study participants for their time and efforts.

Compliance with ethical standards

Conflict of interest

The authors have nothing disclose.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • David R. Hooper
    • 1
    • 2
  • William J. Kraemer
    • 2
  • Catherine Saenz
    • 2
  • Kevin E. Schill
    • 2
  • Brian C. Focht
    • 2
  • Jeff S. Volek
    • 2
  • Carl M. Maresh
    • 2
  1. 1.Department of Health SciencesArmstrong State UniversitySavannahUSA
  2. 2.Department of Human SciencesThe Ohio State UniversityColumbusUSA

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