Transcutaneous electrical nerve stimulation ( TENS ) and interferential current ( IFC ) use a painless electric current and the physiological effects from low frequency electrical stimulation to relieve stiffness, improve mobility, relieve neuropathic pain, reduce oedema, and heal resistant foot ulcers.

Transcutaneous electrical nerve stimulation ( TENS ) is the use of electric current produced by a device to stimulate the nerves for therapeutic purposes.

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