FES
Also written as: FES — Functional Electrical Stimulation
Abbreviation for Functional Electrical Stimulation, a rehabilitation technique that applies electrical current to paralysed or paretic muscles to produce functional movement during task performance.
Full Definition
FES differs from TENS in that it is designed to generate or augment functional movements—such as grasping, stepping, or shoulder elevation—rather than to provide analgesia. It is used in neurological rehabilitation for individuals with incomplete spinal cord injury, stroke, and multiple sclerosis as both a therapeutic modality and an assistive technology (e.g., the FES cycling ergometer, foot-drop stimulators). Editors must note that FES is an acronym always written in full capitals and should be distinguished from NMES, which applies electrical stimulation to muscles primarily for re-education or strengthening without the explicit goal of functional movement. When editing research articles, check that the FES protocol parameters (pulse width, frequency, amplitude) appear under methods, as these define the intervention.
Usage
Usage note: Expand on first use. Distinguish from TENS (analgesia) and NMES (muscle strengthening/re-education). FES explicitly targets functional task performance.
In Context
- "FES cycling was incorporated into the patient's spinal cord injury rehabilitation program to maintain lower-limb muscle mass." — Spinal cord injury rehabilitation research protocol
- "The writer incorrectly used 'TENS' when describing a foot-drop correction device; the editor amended this to 'FES'." — Patient education brochure copyediting note