IASTM Therapy: What It Is and Why Athletes Swear By It
You've hit a plateau. The injury felt minor at first — a strained calf, a nagging shoulder, that tight achilles that never quite went away — but weeks later, the stiffness and dull ache are still there. If rest and stretching aren't cutting it, there's a good chance scar tissue and restricted fascia are the real problem. Instrument-Assisted Soft Tissue Mobilization (IASTM therapy) is one of the most effective tools for addressing exactly that, and athletes at every level are discovering what sports medicine providers have known for years.
What Is IASTM?
IASTM stands for Instrument-Assisted Soft Tissue Mobilization. It's a hands-on therapy technique that uses specially designed stainless steel tools — curved, beveled instruments with different edges — to detect and treat areas of restricted soft tissue. You may have also heard it called the Graston Technique, which is one of the most widely recognized IASTM systems.
The clinician glides the instrument across the skin with specific pressure and direction. The tool's edge amplifies the sensation of tissue quality changes that would be harder to detect with a bare hand — scar tissue, adhesions, and fascial restrictions create a different texture and "drag" under the instrument. Once those areas are identified, the clinician applies targeted strokes to begin breaking down the restriction.
How Is It Different from a Regular Massage?
This is one of the most common questions patients ask at Forward Health and Wellness. While massage therapy works primarily on muscle tension and circulation, IASTM goes deeper — it directly targets the connective tissue layer and the adhesions that form in and around it. The instruments allow for a level of precision and specificity that hands alone can't replicate, especially in dense or chronically restricted tissue.
What Happens in Your Tissue During IASTM?
Here's why IASTM works at a physiological level. When you injure a muscle, tendon, or ligament, your body lays down scar tissue as part of the healing process. This is normal — but scar tissue is less organized and less functional than healthy tissue. It can restrict movement, alter how force is transmitted through a joint, and keep you in a cycle of low-grade pain.
IASTM triggers a controlled microtrauma response in the treatment area. Research published in the Journal of the Canadian Chiropractic Association found that IASTM promotes fibroblast proliferation and collagen repair, including synthesis, alignment, and maturation — the exact processes that convert disorganized scar tissue into better-functioning tissue (Cheatham et al., 2016). Essentially, you're "restarting" the healing sequence in a tissue that got stuck.
The inflammatory response triggered by IASTM also increases local blood flow, which delivers oxygen and nutrients to a region that may have been underserved due to the restriction. Over a course of treatment, patients typically report improved range of motion, reduced pain, and a noticeable return of smooth, unrestricted movement.
Who Benefits from IASTM Therapy?
IASTM isn't just for elite athletes. It's effective for a wide range of patients and conditions, including:
Athletes recovering from soft tissue injuries. Runners, weightlifters, soccer players, and weekend warriors dealing with hamstring strains, IT band syndrome, Achilles tendinopathy, and rotator cuff issues regularly benefit from IASTM. If you've been dealing with plantar fasciitis that isn't responding to conventional treatment, IASTM is often one of the next steps worth exploring alongside shockwave therapy.
Post-surgical patients. Surgical incisions leave scar tissue not just on the surface but in the underlying tissue layers. IASTM can help break down that adhesion buildup and restore mobility in joints or muscles affected by the procedure.
Desk workers and posture patients. Sitting for long hours causes the thoracic fascia and hip flexors to shorten and stiffen — and that tissue restriction contributes to the pain patterns that don't resolve with stretching alone. IASTM addresses the tissue component while other rehab work addresses the movement patterns.
Chronic pain patients. When soft tissue has been restricted for months or years, passive stretching rarely reaches deep enough to change the tissue structure. IASTM provides direct mechanical stimulus to the area that needs to change.
A 2019 systematic review and effect-size analysis found that IASTM produced significant short-term gains in range of motion and pain reduction, particularly in patients with musculoskeletal conditions (Hendry et al., 2019). The authors concluded the current literature supports IASTM for improving ROM in uninjured individuals and improving pain and patient-reported function in injured patients.
What a Typical IASTM Treatment Looks Like
If you've never had IASTM before, knowing what to expect helps. Here's a brief walkthrough of a session at Forward Health and Wellness in Addison:
1. Assessment first. Your clinician will assess the area of concern — range of motion testing, palpation, and movement screening to identify the specific tissue restrictions driving your symptoms.
2. Warm-up. A brief warm-up or light manual work is often done before IASTM to prepare the tissue and improve the treatment response.
3. Instrument application. The clinician applies a small amount of emollient or treatment cream to the skin, then uses the IASTM tool to systematically scan and treat the restricted area. Treatment pressure is purposeful — you'll feel the tool working, and there may be some tenderness in areas of restriction, but it should never be unbearable.
4. Post-treatment stretching or exercise. IASTM works best as part of a larger treatment plan. Immediately after the instrument work, targeted stretching or movement exercise reinforces the tissue changes and helps lock in the new range of motion.
5. Response monitoring. Some patients experience mild soreness or temporary redness at the treatment site — this is normal and reflects the tissue response. Most people feel noticeably looser within 24–48 hours, with continued improvement over subsequent sessions.
A typical course of IASTM ranges from 4–8 sessions depending on how long the restriction has been present and the tissue's response to treatment.
At-Home Strategies to Support Your IASTM Treatment
Your clinician's work in the clinic is only part of the equation. Here are things you can do between sessions to help the tissue heal well:
Stay hydrated. Fascia is largely water-based tissue. Good hydration supports tissue elasticity and helps the body respond to the changes initiated by treatment.
Follow through on prescribed exercises. If your clinician gives you exercises after IASTM, do them. Movement after treatment helps reorganize the newly stimulated tissue and prevents it from re-adhering.
Avoid aggressive stretching immediately after. Immediately post-treatment, the tissue is in an active healing state. Light movement is beneficial; aggressive static stretching can be counterproductive in the first few hours.
Use heat, not ice. In most cases, a warm compress to the treated area — 10–15 minutes — encourages circulation and eases post-treatment soreness better than ice, which can slow the healing response.
Monitor your sleep position. If the treatment area is your shoulder, hip, or neck, sleeping in a position that loads that tissue can undo some of the work. Your clinician can advise on positioning.
How IASTM Fits Into a Complete Treatment Plan
At Forward Health and Wellness, IASTM is rarely used in isolation. It's most effective when combined with complementary services that address other contributors to your pain or movement restriction.
For athletes, IASTM pairs well with dry needling — while IASTM addresses surface and fascial adhesions, dry needling targets trigger points and neuromuscular dysfunction deeper within the muscle. Together, they address the condition from multiple tissue levels simultaneously.
For patients with joint involvement or neurological components, chiropractic adjustments help ensure proper alignment and joint mechanics are restored alongside the soft tissue work. Exercise rehabilitation rounds out the plan by building strength and neuromuscular control in the treated area so the problem doesn't return.
If you're curious whether IASTM is right for your situation, the best place to start is a conversation with one of our clinicians. We'll assess your tissue, explain what we're finding, and build a plan around your goals — whether that's returning to competition, getting back to your workout routine, or simply moving through your day without pain.
Ready to Move Better?
If scar tissue, soft tissue restrictions, or a stubborn injury has been holding you back, IASTM therapy at Forward Health and Wellness may be exactly what your recovery needs. Our team in Addison, TX works with athletes, active adults, and anyone dealing with movement limitations to get to the root of the problem and treat it directly.
Call us at (214) 506-3029 or book online to schedule your appointment. Come see what your tissue is capable of when it's working the way it's supposed to.
Move Forward.
References
Cheatham, S. W., Lee, M., Cain, M., & Baker, R. (2016). The efficacy of instrument assisted soft tissue mobilization: a systematic review. Journal of the Canadian Chiropractic Association, 60(3), 200–211. https://pmc.ncbi.nlm.nih.gov/articles/PMC5039777/
Hendry, K., Zhang, L., & Hendry, J. R. (2019). Instrument-assisted soft tissue mobilization: A systematic review and effect-size analysis. Journal of Athletic Training, 54(7), 743–756. https://pubmed.ncbi.nlm.nih.gov/31322903/