Mark Yu, the man behind the portable iPhone-enabled TENS unit U-Gym, is back with a crowdfunded project called U-Gym Mini, a muscle stimulator intended for pain treatment. AppleInsider went hands-on ...

A transcutaneous electrical nerve stimulation (TENS) unit is a device that sends small electrical currents to targeted body parts. These currents are used to relieve pain. Some TENS units are designed ...

TENS and EMS are two physical therapy techniques that may help treat pain or stimulate muscle contractions. Both are sometimes called electrical stimulation (e-stim). In this article, we’ll look at ...