title: Leptin, cortisol and distinct concurrent training sequences.
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.
authors.affiliation: Laboratory of Human Kinetics Science of the Federal University of Rio de Janeiro State - LABIMH/UNIRIO - Rio de -Janeiro, Brazil. grfi tness@hotmail.com
authors.forename: G
authors.initials: G
authors.lastname: Rosa
authors.forename: E
authors.initials: E
authors.lastname: Dantas
authors.forename: C
authors.initials: C
authors.lastname: Biehl
authors.forename: H
authors.initials: H
authors.lastname: de Castro e Silva
authors.forename: M A E
authors.initials: MA
authors.lastname: Montano
authors.forename: D B
authors.initials: DB
authors.lastname: de Mello
mesh_terms: D000328:Adult; D000704:Analysis of Variance; D001642:Bicycling / Q000502:physiology; D015444:Exercise / Q000502:physiology*; D006801:Humans; D006854:Hydrocortisone / Q000097:blood*; D020738:Leptin / Q000097:blood*; D008297:Male; D055070:Resistance Training / Q000379:methods*; D055815:Young Adult
chemical_list: D020738:Leptin; D006854:Hydrocortisone