Short video introduction on where and why to place tens electrodes or interferential electrodes for pain relief.  Introductory video is about 2 minutes long and below this video is a longer, 11 minute video, for additional information on electrode placement for tens pads, pain pads, if you desire more information.

Longer explanation video on tens unit electrode placement and interferential electrode placement for pain relief.

How To Place Tens Electrodes For Pain Control from Bob Johnson on Vimeo.