Electro-stimulation therapy (also called electrotherapy) is
a treatment used by chiropractors and other health care practitioners that
utilizes electrical frequencies and waveforms to relieve both chronic and acute
pain and speed the healing of damaged tissues.
This therapy was first developed in 1855 by the French
neurologist Guillaume Duchenne, who discovered that using an alternating
current on a patient with a nervous or muscular disorder had a therapeutic
effect.
Though the mechanism by which electro-stimulation therapy
works is not precisely known, it is believed that stimulation with electrical
pulses may block the transmission of pain signals along the nerves, in addition
to stimulating the release of pain-killing natural endorphins. In addition, the
electrical pulses fatigue the muscle tissues, causing a release of tension and
increasing blood flow to the area. This enhances the amount of nutrients
brought to the area of affected muscle tissue while at the same time helping to
clear away accumulated toxins.
The most commonly used forms of electro-stimulation therapy
are Transcutaneous Electrical Nerve Stimulation (TENS), Interferential Current
(IFC) and Galvanic Stimulation (GS). Each produce different waveforms,
frequencies and effects, though all use the same method of applying adhesive
pads to the skin that deliver electrical stimulation to the nerves and muscles.
The use of electrotherapy is known to be helpful for a
number of situations, including:
- Reducing the intensity of
muscle spasms
- Improving range of motion
in joints due to injury or arthritis
- Treating neuromuscular
dysfunction by increasing strength, motor control and blood flow and
retarding atrophy of muscles
- Speeding tissue repair by
stimulating microcirculation and enhancing the health of connective and
dermal tissues
- Reducing swelling by
speeding the rate of fluid absorption and affecting the permeability of
blood vessels
- Increasing muscle strength
Chiropractors treat many people with back pain or spasms by
incorporating electrotherapy into their practice. Patients receiving electro
stimulation therapy generally lie on the treatment table, as they would for an
adjustment. Then two electrical pads will be applied to the area that needs
treatment. A low electrical frequency is used at first, and this level is
raised gradually to the patient’s comfort level. If the patient finds the
frequency is too high, it can be turned down.
Contrary to what one might imagine, electrotherapy is not at
all painful. The sensation begins as a tingling feeling, then develops into a
sensation similar to a massage as the frequency increases. A therapy session usually
lasts from 10 to 15 minutes. Though it is most commonly used on the back,
electro-stimulation therapy is also used on the limbs or wherever there are
muscle spasms.
In tandem with the use of electrotherapy, your chiropractor
may suggest special stretches and massage therapy to help restore strength and
resiliency to damaged muscles.
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