Dry Needling: What It Is and Why You Should Try It

What is Dry Needling?

Dry needling (DN) is a treatment technique, in which small filament type needles are inserted into myofascial trigger points (known as painful knots in muscles), tendons, ligaments, or near nerves in order to stimulate a healing response with the goal of permanently reducing pain and dysfunction. It has been shown that our bodies can develop areas of hypersensitivity and tightness as a response to various stresses i.e.:

  • Postural
  • Repetitive movements
  • Psychological
  • Emotional etc.

These areas are most likely to develop along tissues that are dysfunctional due to interruption of the nerves that innervate them. This can be caused from nerve compression in a limb or in the spine from such things as disc injuries, facet joint dysfunction, vascular compression, metabolic stress or biomechanical stress.

When trigger points are present, they cause the muscles they are in to neurologically tighten which serves to further disrupt the normal functioning of that muscle due to increased pain and local compression of vascular structures and nerves. Physical therapists/physiotherapists are now using this technique around the world to effectively treat acute and chronic orthopedic and neuro-musculoskeletal conditions. It is also known by other names including Intramuscular Manual Therapy or IMS. It is called “dry” needling because no solution is injected into the tissue, as is the case with an injection with a hypodermic needle.

Is Dry Needling like Acupuncture?

DN is not acupuncture or Oriental Medicine. DN is a treatment that uses solid filament, disposable acupuncture needles, but that is where the similarity to acupuncture stops.

Dry Needling is based on Western medical research and principles, whereas acupuncture is based on Traditional Chinese Medicine in which the purpose is to alter the flow of energy (“Qi”) along traditional Chinese meridians for the treatment of diseases. The theoretical backgrounds for the two treatments are very different. In fact, DN is a modern, science-based intervention for the treatment of pain and dysfunction in musculoskeletal conditions throughout the body.

DN directly treats the neuromuscular system affecting muscle tightness, joint mobility, and symptoms of pain and irritation.

Does Dry Needling hurt?

Each patient describes the processes of being needled differently depending on what tissues are being treated. Typically, patients report not feeling the needle actually penetrate the skin and to most, the treatment is painless.

Patients most likely will feel a deep cramping of the muscle that the needle was inserted into along with some involuntary muscle jumps/twitches. This is called the local twitch response (LTR) and means that we are positively affecting the desired tissue. As the needle stays in the tissue, these sensations subside and often the patient is no longer aware that the needles are even still inserted.

How does Dry Needling work and what does the needle actually do?

As mentioned above, needles can be placed in or around various structures in the body depending on the desired response. When the fine, hair-like needle is inserted into a trigger point, a local twitch response (LTR) can be elicited.

This LTR is a quick contraction reflex of the muscle that can be both diagnostic and therapeutic. Research has shown that when the LTR is elicited, the tissue will have decreased muscle contraction, reduced chemical irritation, improved flexibility and can provide short term pain relief. This can often immediately improve range of motion, improve function and decrease or eliminate pain.

Eliciting a LTR is not imperative and often will not occur when performing needling aimed at other structures in the body besides muscles and trigger points. Needles can also be placed into other tissues including tendons, ligaments, around scars or near nerves. Depending on the patient’s particular pathology, the aim of Dry Needling may be different and therefore the desired physiological response is also different.

More specifically, DN has been shown to have many physiological mechanisms to reduce pain and disability:

  • Local Mechanical Effects: Winding, tenting or needle grasp to deform and disrupt fibroblasts within the neighboring collagen tissue resulting in increased opioid mediated response – LTR causing decreased muscle contraction and improved range of motion, mobilizing collagen restrictions within the muscle and fascia
  • Electrophysiological Effects: Decreased spontaneous electrical activity (SEA) at the active trigger point, improved neuromuscular activation and timing
  • Neurophysiological Effects: Increased pressure pain thresholds – Stimulation and decreased inhibition of the descending sensory pain pathways – Activation of central mediated systems including activation of areas in the brain involved in pain processing and the emotion of pain
  • Chemical/Cellular Effects: Improved blood flow to nerves, tissues due to a decrease in vascular compression – Inflammatory and immune system responses initiated.
This is truly an amazing treatment approach and when combined with other forms of complementary therapy such as joint manipulation, myofascial release and soft tissue mobilization, it can have life changing effects. Book your session with Dr. Gregory Shea, DPT of Precision Physical Therapy, LLC today! Learn more

Precision Physical Therapy, LLC
Dr. Gregory Shea of Precision PT

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