Numerous medical studies have found that mechanical vibrations with certain amplitudes in a frequency range from around 8 Hz to 32 Hz (1 Hz = 1 oscillation / second) have different effects on the muscle-tendon structure, particularly on the connective tissue and the matrix. You can choose from a frequency transmission means by mechanic, acoustic, electric or by electromagnetic waves that arouse non-specific reaction in the body. The implication is that the body can recognize, distinguish and can differently interpret rhythms.