Laser Therapy for Pain Relief: What the Latest Research Means for Chiropractic Care in Sunbury & Melton
- Julian Simpson
- 4 days ago
- 4 min read
Low Level Laser Therapy for Pain Relief: What the Latest Research Means for Chiropractic Care in Sunbury & Melton

If you’ve been dealing with persistent neck pain, back pain, sports injuries, or joint discomfort, you may have come across Low Level Laser Therapy (LLLT)—also known as photobiomodulation therapy.
At our chiropractic clinics serving Sunbury and Melton, this therapy is often discussed as part of a broader musculoskeletal treatment plan. But what does the research actually say about how effective it is—and does dosage really matter?
A major scoping review of 86 clinical studies helps answer that question, and the findings are more complex (and more useful) than most people realise.
What Is Low Level Laser Therapy?
Low Level Laser Therapy (LLLT), also called photobiomodulation, uses specific wavelengths of red and infrared light to stimulate healing processes in the body.
Unlike surgical lasers that cut or burn tissue, LLLT works by:
Stimulating cellular energy production (ATP)
Reducing inflammation
Modulating pain signals
Supporting tissue repair and recovery
It’s commonly used in chiropractic and allied health settings for:
Neck pain
Lower back pain
Tendon injuries
Muscle strains
Joint pain (shoulder, knee, hip)
Sports-related injuries
The Big Research Question: Does Dosage Matter?
The key question explored in the scoping review was simple but important:
Does the “dose” of laser therapy determine whether it works better or worse?
Dosage in LLLT isn’t just “more or less treatment.” It includes multiple variables:
Wavelength (depth of penetration)
Power output
Treatment time
Pulse frequency
Continuous vs pulsed light
Number of sessions
Area treated
You might expect that precise dosing would clearly predict better outcomes—but the research shows otherwise.
What the Research Found (86 Studies Reviewed)
After analysing 86 clinical studies on neuromusculoskeletal conditions, researchers found:
1. No clear “perfect dose” exists yet
Across all dosage variables, there was no consistent link between specific settings and better outcomes.
Patients improved with a wide range of:
Power levels
Treatment times
Frequencies
Wavelengths
And importantly, similar settings were sometimes found in both successful and unsuccessful outcomes.
2. Studies used highly inconsistent parameters
One of the biggest findings was huge variation in how LLLT was applied, including:
Different wavelengths (commonly 600–1000 nm)
Treatment times ranging from under 1 minute to over 10 minutes
Variable pulse frequencies
Different treatment protocols per practitioner
This lack of consistency made it difficult to compare results directly.
3. More treatment does NOT always mean better results
Interestingly:
Successful outcomes averaged ~11–12 sessions
Unsuccessful outcomes averaged ~13 sessions
This suggests that more sessions alone do not guarantee better recovery outcomes.
4. Pulse frequency may have some influence
One of the few variables showing a possible trend was pulse frequency:
Higher frequencies were slightly more common in positive outcomes
But results were not strong enough to draw firm conclusions
5. Wavelength differences were small and unclear
Although wavelength affects tissue penetration:
Both successful and unsuccessful outcomes used similar ranges
There was no strong evidence that deeper penetration = better outcomes in practice
What This Means for Chiropractic Care in Sunbury & Melton
For patients in Sunbury and Melton considering chiropractic care with adjunct therapies like laser treatment, this research is actually reassuring—but also important to understand correctly.
1. LLLT is not a “one-setting-fits-all” therapy
There is no universal dosage protocol that guarantees results.
Instead, clinical success depends on:
Individual injury type
Tissue depth and location
Acute vs chronic condition
Combination with manual therapy and rehab
2. Clinical experience matters as much as device settings
Because research shows high variability, practitioners rely on:
Symptom response
Tissue response over time
Functional improvement
Integration with chiropractic adjustments and rehabilitation
This aligns well with modern chiropractic care, which is patient-specific rather than protocol-only driven.
3. It works best as part of a broader treatment plan
The evidence supports LLLT as a supportive therapy, not a standalone cure.
In chiropractic practice, it is often combined with:
Manual adjustments
Soft tissue therapy
Exercise rehabilitation
Load management strategies
What Conditions May Respond Best?
Research across multiple studies suggests LLLT may help with:
Neck pain and stiffness
Lower back pain
Knee osteoarthritis
Tendon injuries
Muscle strains
Sports recovery and overuse injuries
However, results vary due to the dosage inconsistency highlighted in the research.
Safety and Tolerance
LLLT is generally considered:
Non-invasive
Painless
Drug-free
Low risk when properly applied
Most patients experience only mild warmth or no sensation during treatment.
Key Takeaway from the Research
The most important conclusion from the scoping review is this:
LLLT shows promising benefits for musculoskeletal pain, but optimal dosing parameters are still not clearly defined.
In simple terms:
It can work well
It works in many different ways
But science hasn’t yet locked in a single “perfect formula”
What This Means for Your Care
For patients seeking chiropractic care in Sunbury or Melton, this research supports a practical clinical approach:
Use LLLT as part of a broader evidence-based plan
Adjust treatment based on your individual response
Combine therapy with movement and rehabilitation
Focus on function, not just symptoms
Final Thoughts
Low Level Laser Therapy is a promising tool in modern musculoskeletal care—but it is not a rigid, one-setting treatment.
The science shows effectiveness across a wide range of settings, which reinforces an important principle in chiropractic care:
Healing is individual, not standardised.
If you’re dealing with persistent pain or a sports injury and are based in Sunbury or Melton, combining hands-on chiropractic care with technologies like LLLT may help support recovery—especially when tailored specifically to your condition and progress.
reference
Taylor DN, Winfield T, Wynd S. Low-Level Laser Light Therapy Dosage Variables vs Treatment Efficacy of Neuromusculoskeletal Conditions: A Scoping Review. J Chiropr Med. 2020 Jun;19(2):119-127. doi: 10.1016/j.jcm.2020.06.002. Epub 2020 Aug 13. PMID: 33318730; PMCID: PMC7729198.



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