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How TENS Works
There is nothing “magic” about Transcutaneous Electrical Nerve
Stimulation (TENS). TENS is intended to help relieve pain. The TENS
device sends comfortable impulses through the skin to stimulate the
nerve (or nerves) in the treatment area. In many cases, this stimulation
will greatly reduce or eliminate the pain sensation the patient feels. Pain
relief varies by individual patients, mode selected for therapy, and the
type of pain. In many patients, the reduction or elimination of pain lasts
longer than the actual period of stimulation (sometimes as much as three
to four times longer). In others, pain is only modied while stimulation
actually occurs. You may discuss this with your physician or therapist.
How EMS Works
Neuromuscular Electrical 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. This device is low frequency and in
conjunction with the square wave pattern allows the stimulation to
work directly on the muscle groups.
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 electrical signals
to the muscles. EMS works similarly but uses an external source (the
stimulator) with electrodes attached to the skin for transmitting electrical
pulses into the body. The pulses stimulate the nerves to send signals to a
specically targeted muscle, which reacts by contracting, just as it does
with normal muscular activity
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