Abstract. Car seat producers and research laboratories are focused on the influence of mechanical vibrations on humans. It stands to reason that value of transmissibility of mechanical vibrations onto human body depends on quality of vibro-isolation properties of car seat. Negative effects of mechanical vibrations to a person may be characterized by means of events and parameters, changes in health state, rising temperature and blood pressure, accelerated breath, short-time and long-time tediousness, etc. Mechanical vibrations evoke mechanical oscillations of human body in relation to its intensity. Determination of absorbed–dissipated energy in human body is the object of research and summary of this article
Keywords: Dissipated energy, shaking, mechanical vibrations, tiredness.