TENS units —transcutaneous electrical nerve stimulation — are devices placed on the skin that send stimulating electrical signals to the nerves.

TENS units priced above $40 typically offer the most treatment options and have more electronic console features. TENS unit FAQ How often can I use my TENS unit? A.

TENS and EMS units use electrical currents. TENS devices may treat pain, while EMS devices may stimulate and strengthen your muscles.

You can use TENS units to manage many kinds of chronic and acute pain, including but not limited to sciatica, general back pain, neck pain, shoulder pain and frozen shoulders, migraines ...

In the meantime, TENS units –transcutaneous electrical nerve stimulation — are devices placed on the skin that send stimulating electrical signals to the nerves.