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Int J Sports Med 2012; 33(03): 177-180
DOI: 10.1055/s-0031-1298002
Physiology & Biochemistry
© Georg Thieme Verlag KG Stuttgart · New York

Leptin, Cortisol and Distinct Concurrent Training Sequences

G. Rosa
1   Laboratory of Human Kinetics Science of the Federal University of Rio de Janeiro State – LABIMH/UNIRIO – Rio de ­Janeiro, Brazil
,
E. Dantas
1   Laboratory of Human Kinetics Science of the Federal University of Rio de Janeiro State – LABIMH/UNIRIO – Rio de ­Janeiro, Brazil
,
C. Biehl
1   Laboratory of Human Kinetics Science of the Federal University of Rio de Janeiro State – LABIMH/UNIRIO – Rio de ­Janeiro, Brazil
,
H. de Castro e Silva
1   Laboratory of Human Kinetics Science of the Federal University of Rio de Janeiro State – LABIMH/UNIRIO – Rio de ­Janeiro, Brazil
,
M.A. E. Montano
2   Xanxerê Campus, University of West of Santa Catarina, Brazil
,
D. B. de Mello
3   Brazilian Army Physical Education School (EsEFEx)/EB. Rio de Janeiro, Brazil
› Author Affiliations
Further Information

Publication History



accepted after revision 22 November 2011

Publication Date:
19 January 2012 (online)

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Abstract

In order to investigate the effects of distinct concurrent training sequences on serum leptin and cortisol levels, 10 subjects (27.1±4.8 years, body mass index 25.38±0.09) were submitted to a control session, concurrent training 1 and concurrent training 2. Samples of leptin and cortisol were collected. Concurrent training 1 consisted of indoor cycling followed by strength training and concurrent training 2 of strength training followed by indoor cycling. No exercises were performed at the control session. Blood was collected once again to verify the same variables. Shapiro-Wilk, 2-way ANOVA and Tukey post-hoc tests were used. There was a reduction in leptin levels after concurrent training 1 (Δ%= − 16.04; p=0.05) and concurrent training 2 (Δ%= − 8.54; p=0.02). Cortisol decreased after concurrent training 1 (Δ%= − 26.32; p=0.02) and concurrent training 2 (Δ%= − 33.57; p=0.05). There was a high and significant correlation between blood variables only in CS (lep PRE X cort PRE and cort POST: r= − 0.80 and r= − 0.81; lep POST X cort PRE and cort POST: r= − 0.62 and r= − 0.62). Concurrent training promoted a reduction in leptin and cortisol levels irrespective of sequence.

Key words

hormones - physical exercise - aerobic exercise - strength exercise
 

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