Medical Definition of TONUS. 1. : tone 2a. 2. : a state of partial contraction that is characteristic of normal muscle, is maintained at least in part by a continuous bombardment of motor impulses originating reflexly, and serves to maintain body postureâcalled also muscle tone; compare clonus.
Neuralgia is the definitive term for nerve pain. Words ending in -algia indicate pain. A closely related word is neuropathy. It indicates an injury, disease, deterioration, defect or other abnormality of the nerve, which usually produces pain, pos...
Chronic Pain. TENS stands for transcutaneous electrical nerve stimulation, which sounds much scarier than it actually is. With TENS, sticky electrodes are placed on the skin around the painful area. When the TENS unit is turned on, it delivers a light current through the electrodes to the skin and tissues just beneath it.