8. Definitions and parameters
page 71 / 96 Issue date 18.05.2021, rev. 1.0
Hufschmidt stimulation
Hufschmidt stimulation is a method of two-channel alternating electrostimulation of spastic and antagonistic
muscles. In the therapy, a single rectangular pulse is applied to the spastic muscle, then the antagonistic muscle
is stimulated with a single rectangular pulse (with a certain delay, during rest of spastic muscle).
Parameters description:
Symbol Description
treatment
Available parameters
Treatment time - 1 – 60 minutes, 1 minute step
Trigger pulse shape
(channel A)
-
Rectangular
Trigger pulse
duration (channel A)
t_trig Regulation in the range of 100µs-1s (variable step)
Stimulating pulse
duration (channel B)
t_stim Regulation in the range of 100µs-1s (variable step)
Time lag between
channels
t_del Regulation in the range of 10ms-3s (variable step)
Polarization
NOR / NOR
For such polarization setting, the red
plugs of channels A and B of the
patient’s cables are positive electrodes,
and the black plugs are negative
NOR / REV
For such polarization setting the red
plug of channel A of the patient’s cable
is a positive electrode, and the black
plug is a negative electrode. The red
plug of channel B of the patient’s cable
is a negative electrode and the black
plug is a positive electrode. Warning
means that such a setting in channel B
is the reverse of commonly accepted
REV / NOR
For such polarization setting the red
plug of channel A of the patient’s cable
is a negative electrode, and the black
plug is a positive electrode. The red
plug of channel B of the patient’s cable
is a positive electrode and the black
plug is a negative electrode. Warning
means that such a setting in channel A
is the reverse of commonly accepted
REV / REV
For such polarization setting, the red
plugs of channels A and B of the
patient’s cable are negative electrodes,
and the black plugs are positive
electrodes. Warning means that such a
setting is the reverse of commonly
accepted way of polarity marking.
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