How do I use a TENS unit?
Q: I’ve been having intermittent pain on the outer hip area and along the thigh for several weeks, worse when I’m walking up even a gradual slope or on a level surface. I was telling a friend about it and he suggested I buy a Transcutaneous Electrical Nerve Stimulation (TENS) unit, which can be obtained without a prescription. It arrived in the mail a few days ago, but the instructions that came with it are very brief and not very useful. Can you help me use it correctly?
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