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Encyclopedia > Functional electrical stimulation

Functional electrical stimulation (FES) aims to restore function in people with disabilities resulting from spinal cord injury, head injury, stroke or other neurological disorders by electrical stimulation of the muscles and nerves. Restoration of limb function is a main application of FES, for example allowing people with paraplegia to stand, or giving people with quadriplegia hand grasp function, but regulation of organ function is also important. For example, FES can be used to control bowel and bladder function in people with high-level spinal cord injury (SCI).


  Results from FactBites:
 
Electrical stimulation after stroke: Scientific articles (2191 words)
Electrical stimulation for swallowing disorders caused by stroke.
Electrical stimulation of wrist extensors in poststroke hemiplegia.
ES was administered with a modified hand-held battery-powered electrical stimulator connected to a pair of electrodes positioned on the neck.
Functional Electrical Stimulation (3904 words)
Functional restoration, also known as functional electrical stimulation (FES) or function neuromuscular stimulation (FNS), involves the user wearing a device, called a neuroprosthesis, to achieve a particular function.
A pair of small electrodes may be placed near the nerve (bipolar stimulation) or a large reference (indifferent) electrode may be placed at a distance from the nerve with a smaller, closer active electrode (monopolar stimulation).
Current, rather than voltage, controlled stimulators are used as impedance may increase as a surface electrode becomes detached or an implanted electrode is surrounded by a sheath of fibrous tissue.
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