The effects of conventional and acupuncture-like transcutaneous electrical stimulation (TENS) on chronic pain conditions

The purpose of this study was to determine the relative effectiveness of 2 Hz point and 100 Hz pad applications of TENS for relieving chronic pain. Fifteen subjects (4 women, 11 men) received each TENS application for 20 minutes on two separate days. Pain levels were measured using visual analogue scales (VAS) before treatment and at 0, 10, 20, and 30 minutes posttreatment, and again at 2, 4, 6, and 8 hours after the initial measure. No statistically significant (