Percutaneous Neuromodulation Therapy. A technique called percutaneous neuromodulation therapy (PNT) uses a small device that delivers electrical stimulation to deep tissues and nerve pathways near the spine.
Electrical Nerve Stimulation. Transcutaneous electrical nerve stimulation (TENS) uses low-level electrical pulses to suppress back pain. A variant of this procedure, percutaneous electrical nerve stimulation (PENS), applies these pulses through a small needle to acupuncture points.
When tested in high-quality studies, electrical nerve stimulation has not been found to provide much help.
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