LABORIE MMS Solar Blue User Manual page 32

The procedure is as follows:
▪ Connect the EMG cable to the Solar Blue module or the Luna module.
▪ Position two EMG surface electrodes on either side of the anal sphincter:
o With a gloved hand, spread the buttocks until the entire anal
sphincter is visualized. Any hair that might be under the patches
should be removed.
o Thoroughly clean the anal sphincter area with alcohol. NOTE: it is
extremely important that all oil, hair, and foreign material is removed
from this area before electrodes are placed.
o Without releasing the buttocks, completely dry the area of any
remaining moisture from the alcohol pad.
o Place the EMG electrode patches directly ON opposing sides of the
sphincter. The patches should be placed ON the darker-skinned area
of the anus.
▪ Position the reference electrode on the upper leg, after cleaning the area.
▪ Connect the surface electrodes to the guarded EMG cable.
▪ Ask the patient to squeeze the pelvic floor muscles and check the quality of
the EMG signal.
▪ If necessary, adjust the EMG sensitivity scale by pressing the EMG
sensitivity buttons in the software or on the remote control. This can be
done during the pre-test and during the measurement. The default EMG
sensitivity is determined by the setting for the EMG scale in the
investigation protocol.
Figure 2.15 EMG input on Solar Blue
32 Solar Blue User Manual Chapter 2