Dry Needling (IMS) in Physiotherapy and Chiropractic

Dry needling, also known as Intramuscular Stimulation (IMS), has gained attention as a valuable technique in physiotherapy and chiropractic care. It offers a targeted approach to managing muscle pain and dysfunction by addressing trigger points and muscle tightness.

What Is Dry Needling (IMS)?

Dry needling involves inserting thin, solid needles into specific points in muscles, known as trigger points. These trigger points are tight bands or knots within muscle tissue that can cause pain, stiffness, and reduced mobility. Unlike acupuncture, which is based on traditional Chinese medicine and energy meridians, dry needling targets the muscular and nervous systems based on Western anatomical and neurophysiological principles.

IMS is a form of dry needling developed to treat chronic muscle pain by stimulating nerves and muscle fibers. The goal is to release muscle tension, improve blood flow, and reduce pain signals sent to the brain.

How Dry Needling Is Used in Physiotherapy and Chiropractic Treatments

Physiotherapists and chiropractors use dry needling as part of a broader treatment plan to address musculoskeletal issues. It is often combined with manual therapy, exercise, and education to improve function and reduce pain.

Common Conditions Treated with Dry Needling:

• ▸Myofascial pain syndrome: trigger points that cause referred pain and muscle stiffness
• ▸Tendinopathies: stimulates healing in tendons affected by overuse
• ▸Back and neck pain: targeting deep muscles that contribute to chronic discomfort
• ▸Sports injuries: reduces muscle tightness and improves recovery
• ▸Headaches and migraines: by releasing tension in neck and shoulder muscles

Research Behind Dry Needling

Scientific studies have investigated how dry needling affects muscle tissue and pain perception. Research suggests several mechanisms at work:

• ▸Muscle relaxation: needle insertion disrupts the contraction of tight muscle fibers
• ▸Improved blood flow: needling increases circulation, which promotes healing
• ▸Pain modulation: stimulates the nervous system to reduce pain signals through gate control theory
• ▸Reduction of inflammatory chemicals: may lower substances that cause pain and inflammation

A 2017 review in the Journal of Orthopaedic & Sports Physical Therapy found moderate evidence supporting dry needling for reducing pain and improving function in patients with musculoskeletal conditions.

Sensations During and After Dry Needling

Patients commonly experience:

• ▸A brief sharp or stinging sensation at needle insertion
• ▸An involuntary muscle twitch as the muscle releases tension
• ▸Mild aching or soreness following treatment (similar to post-exercise muscle soreness)
• ▸Warmth or tingling around the treated area

Typical Recovery

• ▸Mild soreness lasting 24–48 hours, manageable with gentle stretching and hydration
• ▸Improved mobility: many notice increased range of motion within days
• ▸Pain relief: some experience immediate relief, while others see gradual improvement over several sessions

Practitioners often recommend combining dry needling with exercises and posture correction to maintain benefits and prevent recurrence.