Instrument Assisted Soft Tissue Mobilization (IASTM) - The Ultimate Guide For Adelaide

What is IASTM?

Instrument Assisted Soft Tissue Mobilization (IASTM) is an advanced therapeutic technique that utilises specialised instruments to assess and treat soft tissue dysfunctions, including muscle strains, tendon injuries, fascial adhesions, and post-surgical scars.

These instruments, often made from stainless steel or similar materials, enable practitioners to apply targeted pressure to restricted areas, breaking down scar tissue, reducing inflammation, and stimulating the body's natural healing processes.

By creating controlled microtrauma in affected tissues, IASTM triggers localised inflammation, enhancing blood circulation and collagen production. This accelerates recovery, improves flexibility, and reduces pain.

IASTM is commonly used in rehabilitation programs, sports therapy, and massage therapy to treat both acute and chronic musculoskeletal conditions.

How IASTM Works

IASTM involves the use of various handheld tools—flat, curved, or contoured—to apply precise pressure to muscles, tendons, and fascia. The therapy works by:

• Breaking Down Scar Tissue & Adhesions: IASTM disrupts fibrous adhesions that form after injury or surgery, promoting smoother movement and flexibility.

• Enhancing Circulation & Oxygenation: The applied pressure increases blood flow to the area, delivering essential nutrients while removing metabolic waste.

• Reducing Inflammation & Stiffness: The microtrauma response stimulates the healing process, reducing swelling and pain over time.

• Improving Range of Motion: By releasing tissue restrictions, IASTM restores mobility and prevents compensatory movement patterns.



• Stimulating Nerve Function: The technique helps desensitize overactive nerves, reducing chronic pain symptoms.

As a non-invasive treatment, IASTM offers an effective alternative to deep tissue massage or surgery, making it suitable for a wide range of conditions.

What Conditions Can Be Treated with IASTM?

What Are The Benefits of IASTM?

IASTM provides a range of benefits, making it a preferred choice for athletes, rehabilitation patients, and individuals dealing with chronic pain. Key advantages include:

• Accelerated Tissue Healing: Promotes collagen production and tissue remodelling.

• Enhanced Mobility & Flexibility: Breaks down adhesions that restrict movement.

• Pain Reduction: Decreases inflammation and muscle tension, leading to pain relief.

• Scar Tissue Breakdown: Facilitates healthy tissue regeneration, especially post-surgery.

• Increased Blood Flow: Enhances nutrient delivery to damaged tissues and speeds up recovery.

• Improved Athletic Performance: Reduces post-activity soreness and enhances muscle function.



• Complementary to Other Therapies: Works well with manual therapy, myofascial release, and rehabilitation exercises.

While IASTM is generally safe, certain conditions require caution or complete avoidance, please see the list of conditions to be cautious about or avoid altogether below:

• Open wounds or skin infections: Risk of infection and further tissue damage.

• Acute inflammation or swelling: Could exacerbate active injury.

• Unhealed fractures: May disrupt the bone healing process.

• Blood clotting disorders or anticoagulant use: Increases risk of excessive bruising or bleeding.

• Cancerous tumours: Potential risk of affecting malignant tissue.

• Varicose veins or Deep Vein Thrombosis (DVT): Risk of clot dislodgement.

• Osteoporosis: Fragile bones may not tolerate the pressure applied.



• Medical implants (pacemakers, joint replacements, screws): Risk of interference or discomfort.

Scientific research supports the effectiveness of IASTM in improving range of motion, reducing pain, and enhancing tissue healing. Some key findings include:

1. Improved Range of Motion (ROM): A 2013 study in The Journal of Strength and Conditioning Research found that IASTM significantly improved joint mobility in subjects with restricted movement.
2. Pain Reduction & Functional Improvement: A 2016 study in The Journal of Sports Rehabilitation showed that IASTM effectively reduced pain and improved function in individuals with chronic tendinopathies, such as Achilles tendinitis.
3. Scar Tissue & Soft Tissue Healing: Research published in The Journal of Orthopaedic & Sports Physical Therapy (2015) highlighted IASTM’s role in improving post-surgical recovery by reducing scar tissue adhesions.
4. Tendinopathy & Muscle Injury Recovery: A 2019 study in Physiotherapy Theory and Practice found that IASTM combined with traditional therapies helped improve grip strength and tendon healing in tennis elbow patients.
5. Myofascial Pain Syndrome Relief: A 2018 study in Manual Therapy compared IASTM with dry needling and found both effective for reducing muscle pain, but IASTM was less invasive.
6. Effects on Muscle Strength & Performance: While IASTM improves flexibility and reduces discomfort, a 2017 study in The International Journal of Sports Physical Therapy found no significant immediate gains in muscle strength.