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COMPARATIVE STUDY OVER ELECTROMYOGRAPHY AT PROFESSIONAL SPORTSMEN

机译：专业运动员的心电图学比较研究

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Our objective was to study the electromyography activity at all tested professional sportsmen categories (fence, handball, volleyball), to compare the obtained results and to identify characteristic electromyography patterns, associate to professional sportive activity, which can contribute to a correct selection of athletes and to an efficient specific training, thus emphasizing the inter-sports differences. Was studied a group formed of 24 male athletes, 8 fencers, 8 handball players and 8 volleyball sportsmen, active for between 5 and 12 years exclusively in either one of the studied sports, with homogenous average ages, heights and weights and training regime. To all subjects were performed sEMG records, syncron with the mechanogram, during maximum isometric contractions, sustained through fatigue, of the hand fingers flexors, obtained by force traductor squeezing, both for right and left hand. For recording muscular biopotentials, were used surface electrodes (BIOPAC) made from silver (Ag), recording was performed simultaneously on EMG BIOPAC MP 150 two channles and were used two active electrodes for each channel, reference electode was placed on forearm distal extremity, connected to PC Pentium IV. Fencers recorded the highest values for indexes like intercept, slope, percent variation, in the area of time and mixed parameters, frequency parameters define superior values for voleyball players and for most of the mechanogram parameters, handball players presented the highest values. EMG patterns contribute to a correct selection of the sportsmen and to performances improvement, being so, a guide for trainers, in order to establish complet and complex characteristic profesional trainings.
机译：我们的目标是研究所有经过测试的职业运动员类别（击剑，手球，排球）的肌电图活动，比较所得结果并确定特征性的肌电图模式，从而与职业体育活动相关联，从而有助于正确选择运动员和运动员。进行有效的专门训练，从而强调运动间的差异。对一组由24名男运动员，8名击剑者，8名手球运动员和8名排球运动员组成的小组进行研究，他们仅在所研究的其中一项运动中活跃5至12年，平均年龄，身高，体重和训练方式均一。对所有受试者均进行了sEMG记录，即在通过疲劳力持续的最大等距收缩过程中，通过力导管的挤压获得的右手和左手在最大等距收缩期间通过机械同步图同步化。为了记录肌肉生物电势，使用了由银（Ag）制成的表面电极（BIOPAC），同时在EMG BIOPAC MP 150的两个通道上进行记录，并为每个通道使用了两个有源电极，将参比电极置于前臂远端，连接到PC Pentium IV。击剑运动员记录了诸如截距，斜率，变化百分比，时间范围和混合参数方面的最高值，频率参数为排球运动员定义了较高的值，而对于大多数机械图参数，手球运动员则表现出最高的值。 EMG模式有助于正确选择运动员并改善性能，因此，它是教练的指南，目的是建立完整而复杂的特色专业培训。

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