Tens therapy is a electrical nerve stimulation that uses low voltage to relieve pain. Many choose Tens therapy because it is a noninvasive method for relieving pain
This stimulation is applied via a Tens machine which is a small portable device that has at least two diodes connected to it which you use to stick on your skin.
Tens therapy is used by many people to relief lower back pain, so YES tens therapy does work to relieve back pain.
Using a Tens machine is an effective way to treat back pain and can provide relief from chronic or frequent back pain.