Sport Biosciences

A Comparison of the Effects of Three Types of Combined Training on Testosterone and Cortisol Concentration and Muscular Strength in Elderly Women

Document Type : Research Paper

Authors

Laleh Bagheri
Mohammad Faramarzi
Ebrahim Banitalebi
Zahra Mardanpour Shahrekordi
https://doi.org/10.22059/jsb.2016.58247
Abstract
The aim of this study was to compare the effects of three types of combined training on testosterone and cortisol concentration, testosterone/cortisol ratio and muscular strength in elderly women. 40 elderly women (age range: 60.34±0.82 years) were randomly divided into four groups: endurance + strength (E+S) (n=9), strength + endurance training (S+E) (n=10), alternative concurrent training (ACT) (n=12) and control (n=9). The training program was performed for 8 weeks, 3 days per week. Endurance training protocol included performance on a cycle ergometer and strength training protocol involved several selected upper and lower body workouts. Paired samples t test and one-way ANOVA were used to analyze data. The results showed that 8 weeks of training did not change testosterone in S+E and ACT groups but a significant decrease was observed in testosterone in E+S group (P=0.007). In addition, results showed a significant difference in testosterone between E+S and ACT groups (P=0.01). In addition, no significant changes were observed in cortisol and testosterone/cortisol ratio after the training. Also, there was a significant increase in upper body strength only in E+S and ACT groups and in lower body strength in all groups. As there were no significant changes to basal hormones in 3 combined training groups, these subjects experienced no chronic catabolic state. Since strength increased in all groups, it seems that there was no relationship between hormonal status and the strength gains in the present study.

Keywords

combined training
Cortisol
strength
Testosterone
testosterone/cortisol ratio
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Sport Biosciences
Volume 8, Issue 1
Spring 2016
Pages 123-141

  • Receive Date 09 September 2014
  • Revise Date 27 January 2015
  • Accept Date 27 January 2015

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