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Ghazalian F.,Islamic Azad University at Tehran | Nikbakht H.-A.,Islamic Azad University at Tehran | Alavi S.H.,Technical and Vocational College | Barari A.,Islamic Azad University | Bashiri J.,Islamic Azad University at Tabriz
Advances in Environmental Biology | Year: 2011

The purpose of this study was to investigate effects of resistance training (12 weeks) on neuromuscular adaptations. 24 healthy male students were divided randomly in two groups: resistance group (n=12) and control group (n=12). The resistance group performed (70-85% 1RM) in 3 sets with 12, 10, 8 times repetition respectively and surface electromyography (SEMG), Maximal voluntary contraction (MVC), One repeat Maximum (IRM) assessment were made before, at the middle and after training. Data were analyzed with T test. In resistance group mean signal (EMG) increased significantly until the6th week but after the 6th week it decreased and in control group there wasn't any significant changes. In resistance group1RM and MVC increased significantly until the6th week and these conditions continued significantly from the sixth weeks till the twelfth week. The relationship between Amplitude of EMG and force of muscle was linear until the6th week of training and this relationship was unlinear after the 6 week, so it is concluded that neuromuscular adaptation in resistance training depends on duration of training.

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