caa a22 4500 467940665 CHVBK 20180406153011.0 cr unu---uuuuu 170328e20060401xx s 000 0 eng 10.1007/s00421-006-0153-5 doi (NATIONALLICENCE)springer-10.1007/s00421-006-0153-5 Chronic neural adaptation induced by long-term resistance training in humans [Elektronische Daten] [Miguel Fernandez del Olmo, Pedro Reimunde, Oscar Viana, Rafael Acero, Javier Cudeiro] While it is known that resistance training causes changes in the central nervous system (CNS) in the initial stages of training, there have been few studies of cumulative or sustained neural adaptation to resistance training beyond the initial periods. To further investigate this we compared the electromyographic (EMG) response to transcranial magnetic stimulation (TMS) during voluntary contractions of ten subjects who have been training for more than 2years, resistance-training (RT) group, and ten subjects that have never participated in resistance training (NT). The active motor threshold for biceps brachii was obtained during voluntary elbow flexion at 10% of maximal voluntary contraction (MVC). TMS was also delivered at 100% of the maximal stimulator output while the participants exerted forces ranging from 10 to 90% of MVC. Evoked force, motor-evoked potential (MEP) amplitude and latency from biceps brachii was recorded for each condition to explore changes in corticospinal excitability. The evoked force was significantly lower in the RT group in comparison with the NT group between 30 and 70% of MVC intensity (P<0.05). At 90% of MVC, nine subjects from the RT group showed an absence in the evoked force while this occurred in only five subjects from the NT group. The MEP amplitude and latency changed significantly (P<0.001) with increasing levels of contraction, without significant difference between groups. These results indicate that changes in the CNS are sustained in the log-term practices of resistance training and permit a higher voluntary activation at several intensities of the MVC. Springer-Verlag, 2006 Transcranial magnetic stimulation nationallicence Resistance training nationallicence Neural adaptation nationallicence Voluntary contraction nationallicence Submaximal contraction nationallicence Fernandez del Olmo Miguel Department of Medicine-INEF-Galicia, Laboratory of Neuroscience and Motor Control (NEUROcom), Universidad de A Coruña, A Coruña, Spain aut Reimunde Pedro Department of Medicine-INEF-Galicia, Laboratory of Neuroscience and Motor Control (NEUROcom), Universidad de A Coruña, A Coruña, Spain aut Viana Oscar Department of Medicine-INEF-Galicia, Laboratory of Neuroscience and Motor Control (NEUROcom), Universidad de A Coruña, A Coruña, Spain aut Acero Rafael Department of Medicine-INEF-Galicia, Laboratory of Neuroscience and Motor Control (NEUROcom), Universidad de A Coruña, A Coruña, Spain aut Cudeiro Javier Department of Medicine-INEF-Galicia, Laboratory of Neuroscience and Motor Control (NEUROcom), Universidad de A Coruña, A Coruña, Spain aut European Journal of Applied Physiology Springer-Verlag 96/6(2006-04-01), 722-728 1439-6319 96:6<722 2006 96 421 https://doi.org/10.1007/s00421-006-0153-5 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00421-006-0153-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Fernandez del Olmo Miguel Department of Medicine-INEF-Galicia, Laboratory of Neuroscience and Motor Control (NEUROcom), Universidad de A Coruña, A Coruña, Spain aut NATIONALLICENCE 700 1- Reimunde Pedro Department of Medicine-INEF-Galicia, Laboratory of Neuroscience and Motor Control (NEUROcom), Universidad de A Coruña, A Coruña, Spain aut NATIONALLICENCE 700 1- Viana Oscar Department of Medicine-INEF-Galicia, Laboratory of Neuroscience and Motor Control (NEUROcom), Universidad de A Coruña, A Coruña, Spain aut NATIONALLICENCE 700 1- Acero Rafael Department of Medicine-INEF-Galicia, Laboratory of Neuroscience and Motor Control (NEUROcom), Universidad de A Coruña, A Coruña, Spain aut NATIONALLICENCE 700 1- Cudeiro Javier Department of Medicine-INEF-Galicia, Laboratory of Neuroscience and Motor Control (NEUROcom), Universidad de A Coruña, A Coruña, Spain aut NATIONALLICENCE 773 0- European Journal of Applied Physiology Springer-Verlag 96/6(2006-04-01), 722-728 1439-6319 96:6<722 2006 96 421 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer