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IASTM Therapy

Soft tissue injuries can make everyday activities painful and limit mobility. Instrument-assisted soft tissue mobilization (IASTM) is a therapy used to help break down scar tissue, improve flexibility and promote healing.

What is IASTM therapy?

IASTM is a form of manual therapy used in orthopedic physical therapy to treat injuries affecting muscles, tendons and ligaments. It involves specialized tools to apply targeted pressure to soft tissues, helping reduce scar tissue and improve movement. Common conditions treated with IASTM include:

  • Achilles tendinosis
  • Plantar fasciitis
  • Tennis elbow
  • Carpal tunnel syndrome
  • Myofascial pain syndrome

One well-known IASTM method is the Graston Technique, which uses specially designed instruments to scrape the skin over muscles and break down adhesions in the tissue.

Types of IASTM tools

Physical therapists use different IASTM tools depending on the area being treated and the specific technique applied. The most common tools include:

  • Handlebar tools – Used for larger muscle groups
  • Beveled edge tools – Designed for deeper tissue work
  • Smooth-edged tools – Applied for gentler mobilization

Tools are typically made of plastic, stainless steel or jade.

Who can benefit from IASTM?

IASTM may help individuals recovering from soft tissue injuries by:

  • Reducing pain and stiffness
  • Speeding up rehabilitation
  • Improving mobility and flexibility
  • Allowing patients to return to daily activities sooner

This therapy is often used for athletes, post-surgical patients and individuals with chronic soft tissue conditions.

What to expect from IASTM

During an IASTM session, a therapist will:

  1. Warm up the injured area – This helps loosen soft tissues for better mobility.
  2. Apply IASTM tools – The therapist will use controlled pressure to break down scar tissue and stimulate healing.
  3. Perform follow-up exercises – Patients may be given specific movements to maintain progress.

Patients may experience mild discomfort during treatment, depending on the severity of their condition and how much scar tissue has formed.

What happens after therapy?

Following IASTM, therapists may recommend at-home exercises to maintain flexibility and strength in the treated area. Some patients experience temporary redness or mild bruising, which typically resolves quickly.

IASTM is a widely used therapy that helps many people regain mobility and reduce pain from soft tissue injuries. If you are considering IASTM, consult a licensed physical therapist to determine if it’s right for you.

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