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Dry Needling by a Physical Therapist: What You Should Know. Dry needling is a technique physical therapists use (where allowed by state law) for the treatment of pain and movement impairments. The technique uses a âdryâ needle, one without medication or injection, inserted through the skin into areas of the muscle.
Proper dry needling of a myofascial trigger point will elicit a local twitch response (LTR), which is an involuntary spinal cord reflex in which the muscle fibers in the taut band of muscle contract.