Transcutaneous electrical nerve stimulation (TENS) is a therapy that delivers electrical stimulation to the peripheral nervous system. Traditionally used for pain, TENS has also proven to be a safe and affective treatment of spasticity in stroke patients.
Spinal cord injury can also cause spasticity (the involuntary increase of muscle tone or contractions). A randomized controlled trial recently showed that one 60-minute treatment of TENS provided a significant reduction of spasticity in spinal cord injury patients. This improvement was not seen in the control group that did not receive TENS treatment.