Percussion vibrator

This is a hand-held appliance: it is lightweight, easy to use and transport. As its name suggests, it is similar in effect to manual percussion movements. An electric motor is used to make the head move or tap up and down on the skin. The head can be fitted with a variety of attachments, e.g. sponge or spike. Some percussion vibrators have an adjustment knob for increasing and decreasing the intensity of the tap. As the knob is tightened, the tap intensity decreases; as the knob is released, the tap intensity increases. This should be carefully controlled to suit the tissues being treated. The number of movements per second is constant, relating to the frequency of the current. With mains frequency of 50 Hz Switch

(cycles per second), each tap occurs every half cycle, therefore the rate of tapping will be 100 per second. The treatment time may vary from 5-15 minutes depending on the desired effects. It is used mainly on the face, neck and across the shoulders. Figure 10.5 Percussion vibrator.

jj Adjustment knob

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