Current Parameters; Impulse Shape; Impulse Frequency; Impulse Width - Beurer EM 49 Mode D'emploi

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do this, the impulse intensity of
Deletion of the Doctor's function is confirmed with a long acoustic
signal.

9. Current parameters

Electrostimulation units operate with the following current settings,
which may affect stimulation effects differently, depending on the
setting:

9.1 Impulse shape

This describes the time function of the electrical
impulse.
It distinguishes between monophasic and
biphasic pulse currents. In monophasic pulse
currents, the current flows in one direction and
in biphasic pulse currents the electrical impulse
alternates its direction.
The digital EMS/TENS unit only provides biphasic pulse currents as
these relieve muscles, cause little muscle fatigue and provide safer
application.

9.2 Impulse frequency

The frequency indicates the number of individual
impulses each second and is given in Hz (Hertz).
It can be calculated by determining the cyclic
value for the time period. The relevant frequency determines which
types of muscle fibres react favourably. Slow-reacting fibres react
more easily to lower impulse frequencies up to 15 Hz, whereas fast-
reacting fibres only respond from approximately 35 Hz onwards.
Impulses of approx. 45 – 70 Hz are linked with constant tension in
the muscles and quicker fatigue. Higher impulse frequencies are
therefore favourable in strength and maximum power training.

9.3 Impulse width

This indicates the duration of an individual
impulse in microseconds. The impulse width
therefore determines, among other things, the
and
must be set to 00.
penetration of the electricity, where usually: larger muscle masses
require larger impulse widths.

9.4 Impulse intensity

Setting the intensity levels depends on the
individual sensitivity of each user and is
determined by a variety of variables, such as site
of application, blood circulation to the skin, skin
thickness and the quality of the electrode contact. The setting used
should be effective but should never cause an unpleasant sensation,
such as pain, at the site of application. While a gentle tingling
indicates sufficient stimulation energy levels, any setting that causes
Time
pain should be avoided.
During longer applications it may be necessary to make
readjustments due to the adjustment processes over time at the site
of application.
9.5 Cycled impulse parameter variation
In many cases it is necessary to cover the overall tissue structure at
the site of application by applying several impulse parameters. In the
digital EMS/TENS unit, this is achieved by the provided programs,
which automatically make a cyclical impulse parameter change.
This also prevents individual muscle groups at the site of application
being affected by fatigue.
The digital EMS/TENS unit provides sensible default current
parameter settings. With this, you can change the impulse intensity
at any time during use. For 6 programs you can also set various
parameters for stimulation yourself.
10. Cleaning and storage
Adhesive electrodes
• To ensure that the adhesive electrodes remain adhesive for as
long as possible, clean them carefully with a damp, lint-free cloth
or clean the underside of the electrodes under lukewarm, running
water and pat dry with a lint-free cloth.
Before cleaning with water, remove the connection cables
from the electrodes.
• Reapply the electrodes to the carrier foil following treatment.
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