BenefitsĪs part of a physical therapy program, electrical muscle stimulation may help people deal with issues affecting the muscles, such as: However, due to the small sample size and uncontrolled nature of this study, there are some limitations in determining how conclusive the findings are. This helped engage the quadriceps to improve knee extension. Researchers used this type of stimulation after knee ligament surgery to aid the activation of muscle fibers. How it worksĮlectrical muscle stimulation can cause repeated muscle contractions, which strengthen atrophied or weakened muscles.Īs part of a physical therapy program, research from 2019 has shown that Russian stimulation, a technique involving high-frequency electrical muscle stimulation, is beneficial in improving muscle force-generating ability. This technique may help treat conditions that cause weakened or injured muscles. Physical therapists sometimes use electrical muscle stimulation as a treatment tool. Read more about what pain is and how to treat it. Reducing pain helps improve the quality of life for people with long-term symptoms. Some form of electoral muscle stimulation, such as a TENS unit, may reduce chronic pain symptoms.Įlectrical muscle stimulation may help decrease the need for pain medication and its side effects. The review found that pain intensity was lower during and after treatment with TENS than with a placebo. The currents may also trigger the release of endorphins in the brain that help reduce pain naturally.Ī 2021 systematic review and meta-analysis of 381 randomized clinical trials involving 24,532 supported TENS treatment for pain. These devices deliver electrical currents to the nerves, which may reduce pain signals, providing pain relief. Healthcare providers typically recommend using TENS units for pain. For example, according to the Arthritis Foundation, using a TENS unit may help reduce pain due to osteoarthritis. Some forms of electrical muscle stimulation may help treat pain relating to injuries and diseases. Pain is a major problem for millions of people throughout the world.Ī 2019 study indicates that chronic pain affects about 45% of adults worldwide, with up to 15% of those individuals reporting severe disabling pain.
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