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Revista Brasileira de Medicina do Esporte

Print version ISSN 1517-8692On-line version ISSN 1806-9940


LIRA, Fábio Santos de; OLIVEIRA, Rodrigo da Silva Fermino de; JULIO, Ursula Ferreira  and  FRANCHINI, Emerson. Strength and aerobic post-exercises oxygen consumption: effect of the order of performance. Rev Bras Med Esporte [online]. 2007, vol.13, n.6, pp.402-406. ISSN 1517-8692.

Concurrent training is a strategy which has been used with the purpose to maximize energy expenditure both during and after exercise by exacerbation of excess post-exercise oxygen consumption (EPOC). However, little is known about the influence of the order of performance of exercises on EPOC. The aim of the present study was to verify the influence of type (aerobic, strength and concurrent) and order (aerobic + strength or strength + aerobic) of exercise on excessive post-exercise oxygen consumption. Eight male volunteers (age: 24 ± 2 years; weight mass: 75.4 ± 3.7 kg; and height: 179 ± 3.0 cm), with experience in aerobic and strength training were studied. The subjects were submitted to a test for the determination of the VO2peak (57.0 ± 2.9 ml/kg/min) and test of 1-RM for the exercises of bench press (68 ± 2 kg), lat pull down (64 ± 3 kg), leg extension (51 ± 3 kg) and leg curl (38 ± 3 kg). Aerobic training was conducted for 30 minutes at 90% of the anaerobic threshold velocity (10.3 ± 2.2 km). The protocol strength training corresponded to 70% of 1RM, divided in three sets of 12 repetitions. Oxygen consumption (VO2) was measured at rest (R) and after the following sessions: aerobic (A), strength (S), aerobic-strength (A + S) and strength-aerobic (S + A), using indirect calorimetry for 30 minutes, which were divided in three time intervals: T1 (0-10 minutes), T2 (11-20 minutes) and T3 (the 21-30 minutes). The comparison of the VO2 among the different situations (R, A, S, A + S and S + A) for each period of time (0-10, 11-20; 21-30 min) was determined by one-way ANOVA with repeated measurements, followed by Tukey test. In T1, the VO2 of the different sessions was increased in relation to R. During T2, the VO2 of situations S, A + S and S + A was increased in relation to R. In T3, only A + S resulted in EPOC. The results indicate that exercise order influences EPOC time. However, in 30 minutes the caloric expenditure caused by EPOC was fairly low (≅ 15 kcal).

Keywords : Concurrent training; EPOC; Energy expenditure.

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