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Abstract Details

Abstract Title

The Exercise Order of Elbow Extensors Decrease the Performance and it does Not Affect the Muscle Activity

Abstract Theme

Neuroscience and sport

Type Presentation

Poster

Abstract Authors

Presenter Enrico Gori Soares - Methodist University of Piracicaba (UNIMEP) (Faculty of Health Sciences, Program of Science of Human Movement) - BR
Daniel Alves Corrêa - Methodist University of Piracicaba (UNIMEP) (Faculty of Health Sciences, Program of Science of Human Movement) - BR
Willy Andrade Gomes - Methodist University of Piracicaba (UNIMEP) (Faculty of Health Sciences, Program of Science of Human Movement) - BR
Josinaldo Jarbas da Silva - Methodist University of Piracicaba (UNIMEP) (Faculty of Health Sciences, Program of Science of Human Movement) - BR
Guanis de Barros Vilela Júnior - Methodist University of Piracicaba (UNIMEP) (Faculty of Health Sciences, Program of Science of Human Movement) - BR
Charles Ricardo Lopes - Methodist University of Piracicaba (UNIMEP) (Faculty of Health Sciences, Program of Science of Human Movement) - BR
Paulo Henrique Marchetti - Methodist University of Piracicaba (UNIMEP) (Faculty of Health Sciences, Program of Science of Human Movement) - BR

Presentation Details

Poster Exhibition Site (Local): Orange - 16        Date: 1 September        Time: 8am to 7pm        Presenter: Enrico Soares

Abstract Resume

Background: Different exercise orders have shown to affect the acute neuromuscular performance during a resistance training session. Additionally, some studies observed an increase in
triceps brachii muscle activity during the bench press, when the pectoralis major is pre-fatigued. However, the effect of pre-fatigue on triceps brachii, and the effect of the opposite order during
the bench press neuromuscular performance has never been investigated. Therefore, the purpose of this study was to investigate the effect of the exercise order (pre-exhaustion [PRE]: triceps pushdown
+ bench press; and Traditional [TRAD]: bench press + triceps pushdown) on the performance and muscle activity of pectoralis major (PM) and triceps brachii (TB). Methods: Fourteen
trained-men with at least one year’s training experience volunteered to participate in the study (age: 25±4 years, height: 175±4 cm, weight: 80±11 kg). The experiment was performed in two sessions. In
the first session, the evaluation of ten maximum repetitions test (10RM) was performed for each exercise, separately. The second session was divided in two phases. During the first phase, both
exercises were evaluated separately, called control condition (CON). And then, in the second phase, two different exercise orders were evaluated (PRE and TRAD sequences). The performance was defined
by the maximum number of repetitions performed in each exercise, and the muscle activity of PM and TB were measured by the integrated electromyography (IEMG) during the second and the last repetition
of each exercise. ANOVA (2x3) with repeated measures was used to compare the maximum number of repetitions performed and IEMG. Results: The performance was reduced during the exercise
executed at last when compared to the control and the other condition (P<0.05). For IEMG results, there were observed significant differences between repetitions, but there were not significant
differences between conditions (P>0.05). Conclusions: It was concluded that in both orders (PRE and TRAD), the maximum number of repetitions performed at last was reduced, however,
any muscle activity effect was observed in all experimental conditions.

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