Types of Electrical Stimulation Used in Physical Therapy

If you suffer an injury or illness that results in pain and loss of functional mobility, your doctor may refer you to physical therapy. Your physical therapist will likely work with you to improve your ability to function, and he or she may use various therapeutic modalities to augment your rehabilitation program.

Electrical stimulation is a type of therapeutic treatment that can serve many different purposes. It can be used to decrease pain and inflammation, improve circulation, and it can help your muscles contract properly.

This list of different types of electrical stimulation can help you understand how it is commonly used in physical therapy. Be sure to ask your physical therapist about your specific needs and gains that are expected when you use electrical stimulation in the physical therapy clinic.


Photo of the Omron Home TENS Unit
The Omron Home TENS Unit is used to provide pain relief. Omron/Used with Permission

Transcutaenus electrical nerve stimulation (TENS) is a type of electrical stimulation used to help decrease acute and chronic pain. TENS works by altering or interrupting the painful signals that travel from injured tissues to your brain.

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Russian Stimulation

Russian stimulation is a form of electrical stimulation that uses electricity to contract muscle tissue. After injury or surgery, you may be experiencing muscle weakness. Often, muscles are inhibited after an injury and are unable to generate a forceful contraction. Russian stimulation is used to help improve the contraction of your muscles.

Neuromuscular Electrical Stimulation in Physical Therapy

Neuromuscular electrical stimulation (NMES) is used much like Russian stimulation. Your physical therapist may use NMES to help your muscles contract properly after injury or surgery. This form of muscular re-eductation can be useful in helping you return to normal function quickly after an injury or surgery.

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Interferential Current (IFC)

Inferential current (IFC) electrical stimulation is a type of electrical stimulation that your physical therapist may use to help decrease your pain and improve circulation to injured tissues. The IFC works much like TENS, but the current can be easily moved and varied to target your most painful area of injury.

High Voltage Stimulation

High voltage electrical stimulation is a type of electrical stimulation that your physical therapist may use to help decrease your pain or improve circulation. It is also occasionally used to help with wound healing.


Iontophoresis is a type of electrical stimulation used to administer medication into your body through your skin. The medication, such as dexamethasone, can be used to help decrease inflammation, decrease localized swelling, or decrease muscle spasm. Some medication used in iontophoresis can also help to decrease calcium deposits and can be used to help manage scar tissue.


Prentice, W. (1998). Therapeutic modalities for allied health professionals. New York: McGraw-Hill.

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