Acute Endocrine Responses to Different Strength Exercise Order in Men

• Authors: Rodrigo Rodrigues da Conceição , Roberto Simão , Anderson Luiz B. Silveira , Gabriel Costa e Silva , Marcelo Nobre , Veronica P. Salerno , Jefferson Novaes
• Languages of publication: EN

Abstracts

EN

This study compared the effects of order of muscle groups’ exercised (larger to smaller muscles vs. smaller to larger muscles) on the acute levels of total testosterone, free testosterone and cortisol during resistance training (RT) sessions. Healthy male participants (n=8; age: 28.8 ± 6.4 years; body mass: 87.0 ± 10.6 kg; body height: 181.0 ± 0.7 cm; BMI: 26.5 ± 4.1) were randomly separated into two experimental groups. The first group (LG-SM) performed an RT session (3 sets of 10 repetitions and a 2 min rest period) of the exercises in following order: bench press (BP), lat pulldown (LP), barbell shoulder press (BSP), triceps pushdown (TP) and barbell cut (BC). The second group (SM-LG) performed an RT session in following order: BC, TP, BSP, LA, BP. Blood was collected at the end of the last repetition of each session. Control samples of blood were taken after 30 min of rest. Significant differences were observed in the concentrations of total testosterone (p < 0.05), free testosterone (p < 0.0001) and cortisol (p < 0.0001) after both RT sessions in comparison to rest. However, when comparing LG-SM and SM-LG, no significant differences were found. The results suggest that, while RT sessions induce an acute change in the levels of testosterone and cortisol, this response is independent of the order of exercising muscle groups.

Keywords

EN

strength training; hormones; physical fitness; athletic performance

• Publisher: De Gruyter Open
• Journal: Journal of Human Kinetics
• Year: 2014
• Volume: 44
• Issue: 1
• Pages: 111-120

Dates

published

1 - 12 - 2014

accepted

1 - 12 - 2014

online

30 - 12 - 2014

Contributors

author

Rodrigo Rodrigues da Conceição

• Department of Physiological Sciences and, Department of Physical Education and Sports, Federal Rural University of Rio de Janeiro - UFRRJ - Rio de Janeiro, RJ, Brazil.

author

Roberto Simão

• School of Sports and Physical Education, Rio de Janeiro Federal University - UFRJ - Rio de Janeiro, RJ, Brazil

author

Anderson Luiz B. Silveira

• Department of Physiological Sciences and, Department of Physical Education and Sports, Federal Rural University of Rio de Janeiro - UFRRJ - Rio de Janeiro, RJ, Brazil

author

Gabriel Costa e Silva

• Department of Physiological Sciences and, Department of Physical Education and Sports, Federal Rural University of Rio de Janeiro - UFRRJ - Rio de Janeiro, RJ, Brazil
• School of Sports and Physical Education, Rio de Janeiro Federal University - UFRJ - Rio de Janeiro, RJ, Brazil

author

Marcelo Nobre

• School of Sports and Physical Education, Rio de Janeiro Federal University - UFRJ - Rio de Janeiro, RJ, Brazil

author

Veronica P. Salerno

• School of Sports and Physical Education, Rio de Janeiro Federal University - UFRJ - Rio de Janeiro, RJ, Brazil.

author

Jefferson Novaes

• School of Sports and Physical Education, Rio de Janeiro Federal University - UFRJ - Rio de Janeiro, RJ, Brazil

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Identifiers

DOI

10.2478/hukin-2014-0116