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Acute effect of maximal strength and endurance training exercise on oxygen consumption during continuous and intermittent running

Grant number: 07/00922-4
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): October 01, 2007
Effective date (End): September 30, 2008
Field of knowledge:Health Sciences - Physical Education
Principal researcher:Carlos Ugrinowitsch
Grantee:Luis Fernando Caineli Rosa
Home Institution: Escola de Educação Física e Esporte (EEFE). Universidade de São Paulo (USP). São Paulo , SP, Brazil


The combination of strength and endurance training is common in the routine of athletes and of physically active subjects who need to develop both components. This model of trainings is known as concurrent training (CT) and has been shown to result in impaired adaptations due to the phenomenon called "interference effect". Amongst the hypotheses that try to explain the interference effect is: (a) the incapacity of the neuromuscular system to adapt optimally to two different stimuli; (b) the frequency, the volume and the intensity of the exercise, (c) the sequence order in which the strength and aerobic exercises are carried out, (d) and the muscle fatigue resulting from the preceding modality. The effect of fatigue on performance impairment is known as acute hypothesis. Many studies have reported the acute effect of aerobic exercises on force production; however few studies have demonstrated the acute effect that strength exercises produce on aerobic performance. Therefore the purpose of this study will be to analyze the acute alterations in oxygen consumption and lactate concentration during continuous (CONT) and intermittent (INT) running on a treadmill after maximum strength (FMAX) and strength endurance exercises (FRES). Approximately 12 physically active male subjects, with age between 18 and 30 years old will be submitted to the experiment. The oxygen consumption and lactate concentration will be evaluated in six different conditions, two control conditions (CONT) and (INT) and four experimental conditions (FMAX + CONT, FMAX + INT, FRES + CONT, FRES + INT). Each experimental condition will contain either a maximum strength or a strength endurance lower body exercise (i.g.inclined leg-press).

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DE SOUZA, EDUARDO OLIVEIRA; CAINELI ROSA, LUIS FERNANDO; PIRES, FLAVIO DE OLIVEIRA; WILSON, JACOB; FRANCHINI, EMERSON; TRICOLI, VALMOR; UGRINOWITSCH, CARLOS. The acute effects of varying strength exercises bouts on 5km running. JOURNAL OF SPORTS SCIENCE AND MEDICINE, v. 10, n. 3, p. 565-570, SEP 2011. Web of Science Citations: 5.

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