Much later on in the 18th century, an Italian physicist and philosopher named Luigi Galvani discovered that passing electrical currents through a frog's spinal cord resulted in muscle contractions. This practice continued on with the Greeks and the Romans. As far back as 2,500B.C., the Egyptians of the Fifth Dynasty were using electric fish to treat pain via muscle stimulation. In fact, it goes back thousands of years before the invention of electricity. All of the units on our list also double as TENS units, so they can also help with pain relief, too.Įlectronic muscle stimulation, also known as EMS, goes back considerably further than most people might think. Instead, think of them as aids that can help to improve muscle endurance, rehab muscles that have atrophied or prevent it from setting in, push lactic acid out of the muscles after a workout, or provide a gentle warm up before you start performing some kind of activity to reduce the chances of sustaining injury. It is worth pointing out that anybody considering buying one these devices should disregard any claims of building pounds of muscle mass and creating a rugged physique, as there is little, if any, data that backs this up. While some units, such as the Massage Therapy Concepts BD17093, have a lock that allows you to disable the control buttons during use to prevent you from accidentally changing settings mid-session, the iStim EV-804 takes things a step further and incorporates covers over the control buttons and adjustment dials. For a more affordable option, but one that is equally as effective, you can look to the iReliev ET-7070, which is essentially the exact same model, just in a wired configuration. It offers excellent value for the price when you consider the cable-free operation, high output strength, and variety of preset treatments. The iReliev ET-5050 is another wireless model that we included during our previous update, and which we still recommend.
We feel the need to point out that some people have complained that the Compex Edge 2.0 isn't powerful enough, so it you want strong pulses, you might be better served with another option. All three of these devices come from a well-respected company in the industry and should last through years of regular use. We also added the Compex Wireless USA 2.0, which forgoes the use of cumbersome cables, yet still offers just as much power as its wired brethren. Both of these have more modes than the previous versions, providing the user with more treatment versatility.
During this update, we replaced the Compex Sport Elite and Compex Edge with their newer iterations, the Compex Sport Elite 2.0 and Compex Edge 2.0.
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