Electrotherapy is a medical technique in which an electric current is used to perform a wide variety of tasks associated with pain, neurological disorders, muscle-related conditions, and drug delivery. Electrotherapy includes a range of medical techniques, some of which are under much debate and criticism. While electrotherapy itself is an accepted form of medical treatment, electromagnetic therapy (a subset of electrotherapy) is usually discredited due to little evidence of either positive or negative effects.
How Electrotherapy Works
In electrotherapy, an electric current is applied directly to a muscle or tissue in order to stimulate a body part that trauma or natural conditioning weakened. Electrotherapy uses either alternating or direct current to rejuvinate a muscle, although alternating current is generally the preferred option. Electrotherapy’s effects are very dependent on the amount of electricity used, the type of current that is used, the body part that electricity is applied to, and the condition that the body part is in.
Electrotherapy is used in a wide variety of applications and has been used in one form or another since 1855. For example, electrotherapy is used in neurology to stimulate parts of the brain that natural events, trauma, or disease have damaged. Electrotherapy has also been used to treat insanity and many other neurological conditions. It can be used on muscles to stimulate muscle growth, prevent muscle atrophy, and restore function to body parts that have been weakened to the point of inaccessibility. Electrotherapy can be used to increase blood circulation, increase the body’s absorption rate during drug delivery, and speed up the healing of different types of wounds.
Electrotherapy has several advantages that make it an accepted technique in the medical industry. For example, electrotherapy is extremely beneficial to muscle growth, joint mobility, and muscle spasms. It is relatively safe for the patient and can be performed in a doctor’s office that is equipped for it, removing the need for surgery in certain situations. Electrotherapy can also reduce or prevent pain in virtually any part of the body, as it temporarily neutralizes nerve endings and even “resets” specific bodily functions that tell the brain there is a problem.
Although electrotherapy is advantageous, it also has several disadvantages. For example, electrotherapy is not entirely understood and lacks supporting evidence. It can also be dangerous for the patient if performed incorrectly, as the amount of alternating current used can blister the skin and cause other negative health effects. Contrastingly, when direct current is used, the current must be restarted after each application and only produces a strong effect if the muscle is already strong.
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