From the point of view of the laws of physics, EVNIK is a "mechanical energy accumulator".

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At the moment of using the EVNIK, its constructive solution makes it possible to create a closed system "Tendon-Evnik" with a continuous movement of energies feeding each other in it.

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The greater the acceleration of the simulator, the more kinetic energy it stores in its "working fin"

The release of kinetic energy, in turn, is compensated by the accumulation of energy of elastic deformations in the "elastic arcs" of the EVNIK. After that, the energy is transferred through the handle of the EVNIK axis in the form of a load on the tendon-muscular system. For example, a master of sports in boxing (when developing acceleration with Evnik) creates an average load of 3 to 5 kg on his muscles.