![]() ![]() These impulses are believed to trigger the release of chemicals in the body that reduce pain and inflammation. What it is: The NIN device delivers high-amplitude impulses into the skin. Noninvasive Interactive Neurostimulation (NIN) In a 2015 review of studies published in Osteoarthritis & Cartilage, IFC performed better than other electrical nerve stimulation techniques. How well it works: Research shows IFC is better than placebo at relieving knee OA pain. The deep-penetrating current is thought to block the transmission of pain signals or stimulate the release of natural pain-relieving chemicals in the body. What it is: IFC transmits two different frequency currents to help the energy reach deeper into the tissues. A small 2012 study published in the Journal of Orthopaedic Research found that quadriceps strength and overall health status improved in people with knee OA after using NMES for eight weeks. How well it works: Some studies show NMES can help offset the muscle weakness found in people with knee OA. It used for people with arthritis to strengthen the muscles that support weakened joints. What it is: NMES applies electrical impulses to nerves to make the muscles contract. Another more rigorous study published in 2011 in Arthritis & Rheumatism found PES wasn’t any more effective for pain relief than a placebo. A 2013 analysis published in Osteoarthritis and Cartilage found that PES improved knee OA pain and reduced the need for NSAIDs, but the studies weren’t well designed. How well it works: Research on PES for arthritis has been mixed. In theory, it treats arthritis damage by rebuilding and repairing joint cartilage. What it is: PES delivers a current to the site of pain via electrodes placed on the skin. It’s estimated that overall, about half of people who try TENS get a 50 percent reduction in pain. ![]() A 2015 Cochrane Review concluded, “ tentative evidence that TENS reduces pain intensity over and above that seen with placebo. TENS has been shown to relieve osteoarthritis (OA) pain and reduce the need for pain medications. ![]() How well it works: TENS helps acute (short-term) and chronic (long-term) pain. Many TENS devices have a controller that lets you pick the frequency you prefer. TENS can be delivered at low frequency (l-TENS) or high frequency (h-TENS). Another way TENS may relieve pain is by triggering the release of natural painkillers (endorphins) in the brain. It sends an electric current to your nerves to override pain signals. What it is: TENS uses sticky electrode patches attached to a small, battery-operated device. Transcutaneous Electrical Nerve Stimulation (TENS) So it’s important to talk with your doctor first if you have a pacemaker, another implanted device, are pregnant, have epilepsy, or have a heart problem. However, they involve sending electrical impulses though your body. In some people, neuromodulation treatments can ease pain with minimal risks and offer an alternative to medication for treating arthritis pain. Nerve stimulation – or neuromodulation – uses electricity to decrease pain sensations. ![]()
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