Because the body's nerves are electrical conductors, medical professionals have long held that stimulating nerve endings with small electrical current can produce beneficial results.
The theory behind electrotherapy as part of chiropractic care is that such stimulation to affected nerves and muscles encourages the body to release pain-killing chemicals, such as opiates and endorphins, and blocks pain signals from being transmitted to the brain.
Electrotherapy is a pain management technique, and as such, is part of an overall chiropractic treatment regimen. Electrotherapy is usually involved in the early treatment stages, especially right after an injury. Ice and heat therapy may be combined with electrotherapy to boost its pain-killing powers.
Electrotherapy normally involves placing small adhesive pads on the skin at various points on the body. Electrotherapy is generally not painful. The adhesive pads may cause a minor skin irritation after being removed and, in some instances, patients may feel a mild stinging after therapy.
Common types of electrotherapy include: