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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Di Giminiani, Riccardo Masedu, Francesco Padulo, Johnny Tihanyi, Jozsef Valenti, Marco |
| Description | Author Affiliation: Di Giminiani R ( Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy. Electronic address: riccardo.digiminiani@univaq.it.); Masedu F ( Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy.); Padulo J ( University eCampus, Novedrate, COMO, Italy); Tihanyi J ( Department of Biomechanics, Faculty of Physical Education and Sport Sciences, Semmelweis University, Budapest, Hungary.); Valenti M ( Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy.) |
| Abstract | PURPOSE: To date are lacking methodological approaches to individualizing whole-body vibration (WBV) intensity. The aim of this study was: (1) to determine the surface-electromyography-root-mean-square (sEMG(RMS))-acceleration load relationship in the vastus lateralis (VL), vastus medialis (VM), rectus femoris (RF), lateral gastrocnemius (LG) muscles during synchronous WBV, and (2) to assess the reliability of the acceleration corresponding to the maximal sEMG(RMS). METHODS: Twenty-five sportsman voluntarily took part in this study with a single-group, repeated-measures design. All subjects postured themselves in an isometric half-squat during nine trials in the following conditions: no vibrations and random vibrations of different acceleration loads (from 0.12 to 5.72 g). RESULTS: The sEMG(RMS) were dependent on the acceleration loads in the VL (p = 0.0001), LG (p = 0.0001) and VM (p = 0.011) muscles; while RF was not affected by the acceleration loads (p = 0.508). The comparisons among the sEMG(RMS)-accelerations relationships revealed a significant difference between the LG and the others muscles (p = 0.001). No significant difference was found between the different thigh muscles (p > 0.05). The intra-class correlation coefficient ranged from 0.87 to 0.99 for the measurements performed on the LG, VL and VM. CONCLUSIONS: The sEMG(RMS)-acceleration relationship in the VL, VM and LG is a reliable test to individualize the WBV intervention. |
| File Format | HTM / HTML |
| ISSN | 10506411 |
| Issue Number | 6 |
| Volume Number | 25 |
| e-ISSN | 18735711 |
| Journal | Journal of Electromyography and Kinesiology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-12-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Cardiology Electromyography Methods Muscle, Skeletal Physiology Vibration Acceleration Adult Humans Male Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Neuroscience Neurology (clinical) Biophysics Sports Science |
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