caa a22 4500 46793990X CHVBK 20180406153009.0 cr unu---uuuuu 170328e20060901xx s 000 0 eng 10.1007/s00421-006-0250-5 doi (NATIONALLICENCE)springer-10.1007/s00421-006-0250-5 Motor performance changes induced by muscle vibration [Elektronische Daten] [Luigi Fattorini, Aldo Ferraresi, Angelo Rodio, Gian Azzena, Guido Filippi] The possibility that mechanical stimulation of selected muscles can act directly on the nervous system inducing persistent changes of motor performances was explored. On the basis of literature, stimulating parameters were chosen to stimulate the central nervous system and to avoid muscle fibre injuries. A sinusoidal mechanical vibration was applied, for three consecutive days, on the quadriceps muscle in seven subjects that performed a muscular contraction (VC). The same stimulation paradigm was applied on seven subjects in relaxed muscle condition (VR) and seven subjects were not treated at all (NV). Two sessions (PRE and POST) of isometric and isotonic tests were performed separated for 21days, in all studied groups 7days before and 15days after stimulation, whilst an isokinetic test was performed on VC only. In the isometric test, the time of force development showed a significant decrease only in VC (POST vs PRE mean 27.8%, P<0.05). In the isotonic test, the subjects' had to perform a fatiguing leg extension against a load. In this condition, the fatigue resistance increased greatly in VC (mean 40.3%, P<0.001), increased slightly in VR and there was no difference in NV. In Isokinetic test, at several angular velocities, significantly less time was required to reach the force peak (mean 20.2% P<0.05). The findings could be ascribed to plastic changes in proprioceptive processing, leading to an improvement in knee joint control. Such action delineates a new tool in sports training and in motor rehabilitation. Springer-Verlag, 2006 Fatigue nationallicence Force development nationallicence Proprioception nationallicence Functional stiffness nationallicence Muscle vibration nationallicence Fattorini Luigi Dept. of Human Physiology, University of Rome "La Sapienza”, P.le Aldo Moro 5, 00185, Rome, Italy aut Ferraresi Aldo Institute of Human Physiology, Università Cattolica di Roma, L.go F. Vito 1, 00168, Rome, Italy aut Rodio Angelo Department of Motor Sciences and Health, University of Cassino, Viale Bonomi, 03043, Cassino (Fr), Italy aut Azzena Gian Institute of Human Physiology, Università Cattolica di Roma, L.go F. Vito 1, 00168, Rome, Italy aut Filippi Guido Institute of Human Physiology, Università Cattolica di Roma, L.go F. Vito 1, 00168, Rome, Italy aut European Journal of Applied Physiology Springer-Verlag 98/1(2006-09-01), 79-87 1439-6319 98:1<79 2006 98 421 https://doi.org/10.1007/s00421-006-0250-5 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00421-006-0250-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Fattorini Luigi Dept. of Human Physiology, University of Rome "La Sapienza”, P.le Aldo Moro 5, 00185, Rome, Italy aut NATIONALLICENCE 700 1- Ferraresi Aldo Institute of Human Physiology, Università Cattolica di Roma, L.go F. Vito 1, 00168, Rome, Italy aut NATIONALLICENCE 700 1- Rodio Angelo Department of Motor Sciences and Health, University of Cassino, Viale Bonomi, 03043, Cassino (Fr), Italy aut NATIONALLICENCE 700 1- Azzena Gian Institute of Human Physiology, Università Cattolica di Roma, L.go F. Vito 1, 00168, Rome, Italy aut NATIONALLICENCE 700 1- Filippi Guido Institute of Human Physiology, Università Cattolica di Roma, L.go F. Vito 1, 00168, Rome, Italy aut NATIONALLICENCE 773 0- European Journal of Applied Physiology Springer-Verlag 98/1(2006-09-01), 79-87 1439-6319 98:1<79 2006 98 421 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer