Assessment of vibratory stimulation on neuromuscular system

Di Iorio, Felice (2013) Assessment of vibratory stimulation on neuromuscular system, [Dissertation thesis], Alma Mater Studiorum Università di Bologna. Dottorato di ricerca in Bioingegneria, 24 Ciclo. DOI 10.6092/unibo/amsdottorato/5598.
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The thesis analyze a subject of renewed interest in bioengineering, the research and analysis of exercise parameters that maximize the neuromuscular and cardiovascular involvement in vibration treatment. The research activity was inspired by the increasing use of device able to provide localized or whole body vibration (WBV). In particular, the focus was placed on the vibrating platform and the effect that the vibrations have on the neuromuscular system and cardiovascular system. The aim of the thesis is to evaluate the effectiveness and efficiency of vibration applied to the entire body, in particular, it was investigated the effect of WBV on: 1) Oxygen consumption during static and dynamic squat; 2) Resonant frequency of the muscle groups of the lower limbs; 3) Oxygen consumption and electromyographic signals during static and dynamic squat. In the first three chapters are explained the state of the art concerning vibration treatments, the effects of vibration applied to the entire body, with the explanation of the basic mechanisms (Tonic Vibration Reflex, TVR) and the neuromuscular system, with particular attention to the skeletal muscles and the stretch reflex. In the fourth chapter is illustrated the set-up used for the experiments and the software, implemented in LabWindows in order to control the platform and acquire the electromyographic signal. In the fifth chapter were exposed experiments undertaken during the PhD years. In particular, the analysis of Whole Body Vibration effect on neurological and cardiovascular systems showed interesting results. The results indicate that the static squat with WBV produced higher neuromuscular and cardiorespiratory system activation for exercise duration <60 sec. Otherwise, if the single bout duration was higher than 60 sec, the greater cardiorespiratory system activation was achieved during the dynamic squat with WBV while higher neuromuscular activation was still obtained with the static exercise.

Tipologia del documento
Tesi di dottorato
Di Iorio, Felice
Dottorato di ricerca
Scuola di dottorato
Scienze e ingegneria dell'informazione
Settore disciplinare
Settore concorsuale
Data di discussione
12 Aprile 2013

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