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FES – Functional Electrical Stimulation

Get paralyzed legs moving again!


Functional Electrical Stimulation (FES) is an innovation in the field of muscle stimulation that gets completely paralyzed muscles moving again. When combined with the BerkelBike (or EasyLegs), this technology enables users with spinal cord injury to cycle by means of their own remaining leg strength.

How does it work?

Electrodes integrated into a pair of cycling pants or applied to the skin of the user send electric impulses to the different muscle groups of legs and buttocks. A sensor at the front wheel of the bike transmits the current pedal position to the FES computer. The computer then coordinates which muscles have to be stimulated at what time to generate a cycling motion.

In general, most people with spinal cord injury who have a spastic paralysis can use the BerkelBike FES-Box. If you are paralyzed but don’t have any spasms, the RISE Stimulator may be the right choice for you. There are cases, where also people with multiple sclerosis can benefit from the functional electrical stimulation.

The BerkelBike FES-Box can also be used as a stand-alone stimulator, for instance, to stimulate abdominal or back muscles while lying in your bed.


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