Electrotherapy
during very a long time was practised in an anecdotic
way. This fact is normal insofar as electricity were
not available, in a practical way.
It acquires a
certain notoriety starting from the end of the XIX th
century with the beginnings of the domestic use of
electricity and the distribution of the D.C. current.
The theory and the practice are based on the
technology of the moment; the D.C. current.
The XX th century
beginning poses the bases of *modern* electrotherapy.
Its diffusion continues the technological development
parallel to. The AC current is available and allows
the installation of new treatments. The theory
supplements the preceding assets but remains based on
the D.C. current.
Second the the XX
th century half shows a formidable technological rise
with the discovery of the transistor then integrated
circuit and finally of the microprocessor.
Electrotherapy becomes a current practice in liberal
cabinet. The theory wants to be more physiological
and scientific but remains based on the D.C. current
and did not compare the theory to the base of
technological progress.
The XX th century
end allowed a miniaturization of the equipment but
any projection of the theory. We consider, alas, whom
the neuron comprises only two states (law of the
whole or nothing). The proliferation of * impulsed
*currents does not go forcing in the direction of
nervous physiology.
