This process is not all that different from the voluntary muscle contractions associated with strength training. The contractions can be short and frequent or long and sustained. The electrical signals trigger repeated contractions (tightening) of the muscles. A common muscle group EMS is used on is the quadriceps after knee surgery. Unlike TENS, though, the electrodes from an EMS machine are applied to key muscle groups. ![]() Like TENS, it involves a machine that transmits electrical impulses through electrodes that are applied directly to your skin. Handheld devices are also available to purchase for at-home use.Įlectronic muscle stimulation (EMS) is a physical therapy and fitness technique. People use TENS in physical therapy and pain clinics. TENS machines may relieve pain caused by many conditions, including: However, it will not be used to heal injuries. This means that it will temporarily ease pain while being used. It is important to note that TENS is not curative. ![]() It’s not painful, but you might feel a slight tingling or warming sensation where the electrodes meet your skin. These signals interfere with pain regulation.Ī single treatment typically lasts 15 to 40 minutes. The frequency and intensity of these signals can be adjusted as necessary. When the unit is turned on, the electrodes transmit low-voltage electrical signals to your body. ![]() The adhesive pads, known as electrodes, are placed directly against your skin. It requires using a small handheld or tabletop device, known as a TENS unit, which is connected via thin wires to adhesive pads. Transcutaneous electrical nerve stimulation (TENS) is a noninvasive pain-relief technique.
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