ProMed D-82490 Instrucciones De Empleo página 27

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NTRODUCTION

EXPLANATION OF EMS

Electrical Muscle Stimulation (EMS) is an internationally accepted

and proven way of treating muscular injuries. It works by sending

electronic pulses to the muscle needing treatment; this causes the

muscle to exercise passively. It is a product derived from the square

waveform, originally invented by John Faraday in 1831. Through

the square wave pattern it is able to work directly on muscle motor

neurons. This device has low frequency and in conjunction with the

square wave pattern allows direct work on muscle groupings. This

is being widely used in hospitals and sports clinics for the treatment

of muscular injuries and for the re-education of paralyzed muscles,

to prevent atrophy in affected muscles and improving muscle tone

and blood circulation.

How does EMS work?

The EMS units send comfortable impulses through the skin that stimu-

late the nerves in the treatment area. When the muscle receives this

signal it contracts as if the brain has sent the signal itself. As the

signal strength increases, the muscle ﬂexes as in physical exercise.

Then when the pulse ceases, the muscle relaxes and the cycle is

repeated.

The goal of electrical muscle stimulation is to achieve contractions or

vibrations in the muscles. Normal muscular activity is controlled by

the central and peripheral nervous systems, which transmit electri-

cal signals to the muscles. EMS works similarly but uses an exter-

nal source (the stimulator) with electrodes attached to the skin for

transmitting electrical impulses into the body. The impulses stimulate

the nerves to send signals to a speciﬁcally targeted muscle, which

reacts by contracting, just as it does with normal muscular activity.

Possible EMS application

Generally the Promed EMT-6 shall be used for the following medical

indications or the following complaints as a EMS unit for treatment:

• For relaxation of muscle spasm

• For increase of blood circulation

• For prevention of retardation of disuse atrophy

• For muscle re-education

• For maintaining or increasing range of motion

• For immediate post-surgical stimulation of calf muscle to prevent

venous thrombosis