Influence of Exercise Order on Electromyographic Activity During Upper Body Resistance Training

• Authors: Rafael Soncin , Juliana Pennone , Thiago M. Guimarães , Bruno Mezêncio , Alberto C. Amadio , Júlio C. Serrão
• Languages of publication: EN

Abstracts

EN

The purpose of this study was to investigate the effects of exercise order on electromyographic activity in different muscle groups among youth men with experience in strength training. Three sets of 8 RM were performed of each exercise in two sequences order: (a) sequence A: bench press, chest fly, shoulder press, shoulder abduction, close grip bench press and lying triceps extension; (b) sequence B: the opposite order. The electromyographic activity was analyzed in the sternocostal head of the pectoralis major, anterior deltoid, and long head triceps brachii, normalized for maximal voluntary isometric contraction. The muscles activity of the sternocostal head of the pectoralis major, anterior deltoid, and long head triceps brachii showed significant interaction between sequence and exercise. The sternocostal head of the pectoralis major showed considerably higher activity in sequence A (100.13 ± 13.56%) than sequence B (81.47 ± 13.09%) for the chest fly. The anterior deltoid showed significantly higher electromyographic activity in sequence B (86.81 ± 40.43%) than sequence A (66.15 ± 22.02%) for the chest fly, whereas for the lying triceps extension, the electromyographic activity was significantly higher in sequence A (53.89 ± 27.09%) than sequence B (34.32 ± 23.70%). For the long head triceps brachii, only the shoulder press showed differences between sequences (A = 52.43 ± 14.64 vs. B = 38.53 ± 16.26). The present study showed that the exercise order could modify the training results even though there was no alteration in volume and intensity of the exercise. These changes may result in different training adaptations.

Keywords

EN

neuromuscular activation; exercise order; strength training

• Publisher: De Gruyter Open
• Journal: Journal of Human Kinetics
• Year: 2014
• Volume: 44
• Issue: 1
• Pages: 203-210

Dates

published

1 - 12 - 2014

accepted

1 - 12 - 2014

online

30 - 12 - 2014

Contributors

author

Rafael Soncin

• Laboratory of Biomechanics; School of Physical Education and Sport; University of São Paulo (USP); São Paulo; Brazil

author

Juliana Pennone

• Laboratory of Biomechanics; School of Physical Education and Sport; University of São Paulo (USP); São Paulo; Brazil

author

Thiago M. Guimarães

• Laboratory of Biomechanics; School of Physical Education and Sport; University of São Paulo (USP); São Paulo; Brazil

author

Bruno Mezêncio

• Laboratory of Biomechanics; School of Physical Education and Sport; University of São Paulo (USP); São Paulo; Brazil

author

Alberto C. Amadio

• Laboratory of Biomechanics; School of Physical Education and Sport; University of São Paulo (USP); São Paulo; Brazil

author

Júlio C. Serrão

• Laboratory of Biomechanics; School of Physical Education and Sport; University of São Paulo (USP); São Paulo; Brazil

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Identifiers

DOI

10.2478/hukin-2014-0127